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United States Government Accountability Office: 
GAO: 

Report to Congressional Requesters: 

May 2011: 

Abusive Tax Avoidance Transactions: 

IRS Needs Better Data to Inform Decisions about Transactions: 

GAO-11-493: 

GAO Highlights: 

Highlights of GAO-11-493, a report to congressional requesters. 

Why GAO Did This Study: 

Abusive tax avoidance transactions (ATAT) range from frivolous tax 
schemes to highly technical and abusive tax shelters marketed to 
taxpayers by promoters selling tax advice. ATATs threaten the U.S. tax 
system’s integrity if honest taxpayers believe that others do not pay 
their fair share of taxes. 

GAO was asked to (1) describe what is known about trends in ATAT 
usage; (2) describe results of IRS’s ATAT enforcement efforts; and (3) 
evaluate IRS’s implementation of the ATAT provisions in the American 
Jobs Creation Act of 2004. Using criteria from the act, GAO analyzed 
statistics and other documents on trends and results and interviewed 
IRS and other tax experts. 

What GAO Found: 

While trend data on taxpayers’ use of ATATs are limited, IRS and other 
experts GAO contacted agreed that a problem exists and is continually 
changing. One theme that emerged from GAO’s discussions with these 
experts is that ATATs marketed by promoters to corporations and 
wealthy individuals have declined in recent years, although the 
experts had different views on the extent of the decline. They also 
said that ATATs have become more international in nature. Even though 
estimating the extent of the ATAT problem is inexact because ATATs are 
often hidden, the experts believed that the changing nature of ATATs 
warrants continuous IRS vigilance. 

IRS has many ATAT-related enforcement efforts-—investigations, 
examinations, and settlement initiatives—-across different divisions 
but has incomplete data on the results on those efforts. For example, 
IRS’s small business division’s promoter investigations help stop 
promotions, but IRS had incomplete information on why investigations 
often closed without penalties or injunctions, information that could 
be used to help decide the types of investigations to start. In 
addition, IRS recommended billions of dollars in additional taxes from 
examining tax returns with suspected ATATs, but IRS did not identify 
the part of the additional amount that was collected or that related 
to the ATAT issue as opposed to other issues. In addition, some ATAT 
results were reported inconsistently across IRS divisions. Without 
comprehensive or consistent information, IRS does not have the best 
information to decide which promoters to investigate and the number of 
examinations that should be done as well as to evaluate their impacts. 

Even though the 2004 act increased the requirements for taxpayers and 
promoters to disclose their use of transactions and enhanced the 
penalties for improper disclosure, problems existed. IRS received many 
disclosures of transaction use from taxpayers, but it had no assurance 
that its Office of Tax Shelter Analysis received all the disclosures 
it should have. In addition, IRS did not verify that all the 
disclosures it received were complete, and a new process for reviewing 
the completeness of disclosures and following up with taxpayers was 
not yet finalized. Not receiving disclosures or receiving incomplete 
disclosures of transactions would keep IRS from having information 
needed to identify the transactions that merit an examination of their 
appropriateness and to assess related penalties as needed. Finally, 
certain promoters who are required by law under threat of penalty to 
give their list of investors within 20 business days after IRS 
requested it did so. However, other promoters who are not covered by 
this requirement often took longer than 20 days to provide the lists 
without the threat of a similar penalty. IRS did not comprehensively 
track how quickly the lists were received. Not receiving lists on a 
timely basis prevents IRS from quickly working to stop promoter 
activity. 

What GAO Recommends: 

GAO suggests that Congress consider instituting a penalty aimed at 
certain promoters not giving investor lists to IRS within a specified 
time. GAO also recommends IRS act or establish processes to (1) 
improve data on the results of ATAT-related investigations and 
examinations, (2) ensure that required disclosures are filed by 
taxpayers, (3) review disclosures for completeness; (4) track the time 
for IRS to receive investor lists; and (5) induce more promoters to 
provide investor lists by a specified time. 

In commenting on a draft of this report, IRS agreed with most 
recommendations but cited resource and capability constraints in 
tracking ATAT data and investor lists, which GAO believes can be 
addressed. 

View [hyperlink, http://www.gao.gov/products/GAO-11-493] or key 
components. For more information, contact James R. White at (202) 512-
9110 or whitej@gao.gov. 

[End of section] 

Contents: 

Letter: 

Background: 

IRS Has Limited Trend Data on the Extent of Abusive Transactions, but 
Many Tax Experts Said That the Ever-Changing Nature of ATATs Requires 
Constant Vigilance: 

IRS Shows Vigilance over ATATs in Its Enforcement Efforts, but 
Quantifying the Impact of the Efforts Is Difficult: 

The AJCA Increased Abusive Transaction Disclosure Requirements and 
Penalties, but Problems Remained: 

Conclusions: 

Matter for Congressional Consideration: 

Recommendations for Executive Action: 

Agency Comments and Our Evaluation: 

Appendix I: Additional Details about Scope and Methodology: 

Results of the Internal Revenue Service's (IRS) Promoter 
Investigations, Investor Examinations, and Settlement Initiatives: 

Results of IRS's Implementation of the Abusive Tax Avoidance 
Transaction (ATAT) Disclosure and Sanction Provisions Enacted in the 
American Jobs Creation Act of 2004 (AJCA): 

Reliability of Data from IRS Databases That We Used: 

Appendix II: Selected American Jobs Creation Act of 2004 Provisions 
Related to Tax Shelters: 

IRC Section 6111--Disclosure of Reportable Transactions by Material 
Advisors: 

IRC Section 6112--Investor Lists: 

IRC Section 6501(c)(10)--Statute of Limitations for Undisclosed Listed 
Transactions: 

IRC Section 6662A--Accuracy-Related Penalty: 

IRC Section 6700--Penalty on Promoters of Abusive Tax Shelters: 

IRC Section 6707--Penalty for Failing to Furnish Information Regarding 
Reportable Transactions: 

IRC Section 6707A--Penalty for Failure to Disclose Reportable 
Transactions: 

IRC Section 6708--Failure to Maintain Investor Lists: 

IRC Section 7408--Enjoin Specified Conduct: 

Title 31, Section 330--Practice before the Department of the Treasury: 

Title 31, Section 5321--Penalty on Failure to Report Interest in 
Foreign Financial Accounts: 

Appendix III: Comments from the Internal Revenue Service: 

Appendix IV: GAO Contact and Staff Acknowledgments: 

Tables: 

Table 1: SB/SE Closed Promoter Investigation Results, Fiscal Years 
2006 through 2010: 

Table 2: Number of Form 8886 Reportable Transaction Disclosures by 
Taxpayers, Calendar Years 2007 through 2009: 

Table 3: Form 8918 and Form 8264 Filings, Calendar Years 2003 through 
2009: 

Table 4: Number of Investor Lists Requested from Review of Material 
Advisor Disclosures, Calendar Years 2006 through 2009: 

Table 5: Accuracy-Related Penalty Assessments for Reportable 
Transactions, Fiscal Years 2005 through 2009: 

Table 6: Penalty Assessments on Promoters, Fiscal Years 2004 through 
2009: 

Table 7: Penalty Assessments on Material Advisors for Failure to 
Disclose Reportable Transactions, Fiscal Years 2005 through 2009: 

Table 8: Penalty Assessments on Taxpayers for Failure to Disclose 
Reportable Transactions, Fiscal Years 2005 through 2009: 

Table 9: Penalty Assessments on Material Advisors for Failure to 
Maintain Investor Lists, Fiscal Years 2005 through 2009: 

Table 10: Number of Injunctions, Fiscal Years 2003 through 2009: 

Table 11: Number of Censures, Fiscal Years 2003 through 2009: 

Table 12: Penalty Assessments for Failure to Report Interest in 
Foreign Financial Accounts, Calendar Years 2003 through 2009: 

Figures: 

Figure 1: Comparison of Reportable and Non-reportable Abusive 
Transactions: 

Figure 2: IRS Organizational Units and Coordinating Efforts for ATATs: 

Figure 3: Cumulative Number of Transactions Listed by IRS, Calendar 
Years 2000 through 2010: 

Figure 4: IRC Section 6700 Penalty Assessments on Promoters of Tax 
Shelters, Fiscal Years 2004 through 2009: 

Figure 5: Number and Dollar Amount of Penalty Assessments for Not 
Adequately Disclosing Reportable Transactions against Taxpayers under 
Section 6707A and Material Advisors under Section 6707, Fiscal Years 
2005 through 2009: 

Abbreviations: 

A-CIS: Audit Information Management-Computer Information System: 

AJCA: American Jobs Creation Act of 2004: 

ATAT: abusive tax avoidance transaction: 

ERIS: Enforcement Revenue Information System: 

IRC: Internal Revenue Code: 

IRS: Internal Revenue Service: 

LB&I: Large Business and International division: 

LDC: Lead Development Center: 

LILO: Lease-In/Lease-Out: 

LMSB: Large and Mid-Size Business division: 

OPR: Office of Professional Responsibility: 

OTSA: Office of Tax Shelter Analysis: 

SB/SE: Small Business/Self-Employed division: 

SILO: Sale-In/Lease-Out: 

SOI: Statistics of Income: 

TOI: transaction of interest: 

[End of section] 

United States Government Accountability Office: 
Washington, DC 20548: 

May 12, 2011: 

The Honorable Max Baucus:
Chairman:
The Honorable Orrin G. Hatch:
Ranking Member:
Committee on Finance:
United States Senate: 

The Honorable Charles Grassley:
Ranking Member:
Committee on the Judiciary:
United States Senate: 

Abusive tax avoidance transactions (ATAT) range from tax schemes based 
on clearly frivolous arguments to highly technical and abusive tax 
shelters engineered and marketed by firms. As characterized by the 
Internal Revenue Service (IRS), ATATs take a tax position that is not 
supported by tax law or manipulate the law in a way that is not 
consistent with the law's intent. Promoters (including material 
advisors) may encourage the use of these abusive transactions by their 
customers.[Footnote 1] In 2003, we reported that IRS officials 
estimated that several hundred thousand participants were likely 
engaged in abusive tax avoidance schemes.[Footnote 2] In addition, we 
reported that IRS data sources, all with limitations, suggested that 
abusive tax shelters totaled tens of billions of dollars of potential 
tax losses over about a decade.[Footnote 3] ATATs threaten our tax 
system's integrity and fairness if honest taxpayers believe that 
significant numbers of individuals and businesses are not paying their 
fair share of taxes. 

Since our 2003 work, the American Jobs Creation Act of 2004 (AJCA) 
addressed ATATs through disclosure and penalty provisions.[Footnote 4] 
Interested in the act's effectiveness, you asked us to report on IRS's 
efforts to address it. The objectives of this report are to: 

* describe what IRS and other experts know about trends in the use of 
ATATs; 

* describe the results that IRS's promoter investigations, investor 
examinations, and settlement initiatives have achieved;[Footnote 5] 
and: 

* evaluate the results of IRS's implementation of the ATAT disclosure 
and sanction provisions enacted in the AJCA. 

To address these objectives, we did the following (see appendix I for 
details about our scope and methodology): 

* reviewed IRS's documentation on ATAT trends, including its most 
recent report on the size of the ATAT problem,[Footnote 6] and 
interviewed IRS officials and outside tax experts--former high-level 
IRS officials and their suggested contacts--about these ATAT trends 
and whether the nature of ATAT problems changed in sophistication or 
scope in recent years; 

* analyzed IRS investigation, examination, and settlement initiative 
statistics, focusing on two IRS divisions that pursue abusive 
promoters and that our 2003 work highlighted--the Large Business and 
International (LB&I) division[Footnote 7] and the Small Business/Self- 
Employed (SB/SE) division, and interviewed IRS officials about why IRS 
did certain investigations and examinations and not others; and: 

* using criteria inherent in the AJCA, evaluated (1) ATAT disclosures 
to IRS and their level of completeness, (2) IRS's requests for the 
lists of investors in ATATs from tax advisors, and (3) ATAT penalties 
and other sanctions used since 2004, and interviewed IRS officials on 
why some disclosures were required to be sent to two places in IRS and 
how well that requirement worked. 

We conducted this performance audit from July 2009 through May 2011 in 
accordance with generally accepted government auditing standards. 
Those standards require that we plan and perform the audit to obtain 
sufficient, appropriate evidence to provide a reasonable basis for our 
findings and conclusions based on our audit objectives. We believe 
that the evidence obtained provides a reasonable basis for our 
findings and conclusions based on our audit objectives. 

Background: 

If ATATs are highly technical and organized or marketed, they are 
often referred to as abusive tax shelters. According to IRS, abusive 
tax shelters result in unlawful tax evasion. Our report on business 
network-based tax evasion illustrates how one type of evasive 
transaction--the installment sale bogus optional basis--operated. 
[Footnote 8] ATATs also include abusive transactions that are 
considered scams or schemes based on the erroneous application of tax 
law or clearly frivolous arguments. 

Tax shelters can be legitimate to the extent that they take advantage 
of various provisions in the tax code to lawfully avoid tax. For 
instance, retirement plans (e.g., 401(k)) shelter income by not 
subjecting certain wages to federal income taxes until the wages are 
distributed from the plan. Tax shelters can feature such techniques as 
taxpayers trying to avoid gains altogether or to convert ordinary 
income into capital gains to take advantage of lower tax rates on 
capital gains. 

A difficulty arises when tax shelters are designed to confer a tax 
benefit that the Congress did not intend. An example of this type of 
shelter is the lease-in, lease-out (LILO) shelter that involved 
complex purported leasing arrangements in which corporations 
supposedly leased large assets, such as sewer systems, from owners 
without a tax liability and immediately leased them back to their 
original owners in an attempt to delay income recognition for tax 
purposes for many years. 

ATATs have been a long-standing problem that the Congress, Treasury, 
and IRS have used different methods to address. For example, the Tax 
Reform Act of 1986 addressed tax shelters from the 1970s and 1980s by 
preventing individual taxpayers from using "passive activity" losses 
from tax shelter investments to reduce taxes by offsetting taxable 
income.[Footnote 9] 

Interest in abusive tax shelters picked up again in the 1990s. In 
1999, a Department of the Treasury report described a large and 
growing problem with abusive corporate tax shelters. In 2002, citing 
many ongoing efforts, Treasury published a plan to further combat 
ATATs, featuring both legislative proposals and administrative 
actions. In 2004, the AJCA provided updated disclosure and list-
maintenance rules and updated penalty provisions. The list-maintenance 
rules require that material advisors keep lists of their investors and 
make the lists available to the Secretary of the Treasury within 20 
business days of a request.[Footnote 10] For a summary of selected 
provisions of the AJCA related to ATATs, see appendix II. 

Over time, Treasury's strategy for addressing tax shelters centered on 
rules that were intended to reinforce each other. The rules attempted 
to do this by requiring taxpayers entering into certain transactions 
and tax advisors recommending the transactions to disclose to IRS 
information about the same transactions. The idea was that using these 
rules, IRS could follow a transaction from a taxpayer to the 
taxpayer's advisor and from the advisor to any of the advisor's 
clients. 

The rules require specified taxpayers to disclose "reportable 
transactions."[Footnote 11] These transactions include "listed 
transactions" that are the same or substantially similar to one of the 
types of transactions that IRS has determined to be a tax avoidance 
transaction and identified by notice, regulation or other published 
guidance. Reportable transactions also include "non-listed" 
transactions, which are not designated as tax avoidance transactions 
but prompt tax avoidance or evasion concerns nonetheless. Non-listed 
reportable transactions include certain transactions (1) offered to a 
taxpayer under conditions of confidentiality and for which the 
taxpayer paid an advisor a minimum fee and (2) certain loss 
transactions. Non-reportable abusive transactions are abusive 
transactions not described in one of the reportable categories. For a 
comparison of requirements for reportable and non-reportable 
transactions and a description of how taxpayers, material advisors and 
other promoters, and IRS interact with each other, see figure 1. 

Figure 1: Comparison of Reportable and Non-reportable Abusive 
Transactions: 

[Refer to PDF for image: illustration] 

Reportable transactions: 

1) Taxpayer participates in a reportable transaction. Go to #2. 

1A) Advisor makes a tax statement regarding a reportable transaction. 
Taxpayer enters into the transaction. Advisor receives or expects to 
receive at least the minimum fee. Go to #3A. 

2) Required to file Report able Transaction Disclosure Statement (Form 
8886). Go to #3 and #3A. 

3) Required to file form with tax return each year taxpayer 
participates in the transaction. Go to #4. 

3A) Required to send form to the Office of Tax Shelter Analysis. 
Taxpayers only send Form 8886 in the initial year of filing. Go to #4. 

4) If either form is not submitted, or is incomplete or delinquent, a 
penalty may be imposed. Go to #5 and #5A. 

5) Submission of either form may lead to a taxpayer examination. 

5A) Submission of either form may lead to a material advisor 
examination. As part of the examination, IRS may request an investor 
list. Go to #6. 

6) The material advisor is required to maintain an investor list. If 
the list is not provided within 20 business days, a penalty may be 
imposed. 

Non-reportable abusive transactions: 

1) Taxpayer participates in an abusive transaction that is not 
reportable. Go to #2. 

1A) Promoter participates in an abusive transaction that is not 
reportable by the promoter, including cases in which the promoter does 
not meet the definition of a material advisor. Go to #2A. 

2) Not required to file Form 8886. Go to #3. 

2A) Not required to file Form 8918. Go to #3A. 

3) When the taxpayer is identified by IRS, an examination may follow. 

3A) When the promoter is identified by IRS, an investigation may 
follow. As part of the investigation, IRS may request an investor list 
from the promoter. Go to #4. 

4) The promoter is not required to maintain an investor list. 
Therefore, if the list is not provided within 20 business days, there 
is no penalty. 

Source: GAO analysis of IRS information. 

[End of figure] 

IRS has had various forms for filers reporting ATAT information. For 
example, taxpayers are to file Form 8886, Reportable Transaction 
Disclosure Statement, to disclose their reportable transactions. Form 
8918, Material Advisor Disclosure Statement, is to be filed by 
material advisors. This form was created in 2007 to replace Form 8264, 
Application for Registration of a Tax Shelter, which was to be filed 
by tax shelter organizers in order to describe a transaction and its 
tax benefits when the transaction had certain potentially abusive 
characteristics. 

To enforce compliance, IRS has three interlocking efforts: promoter 
investigations, investor examinations, and settlements. Figure 2 
focuses on two IRS operating divisions--LB&I and SB/SE--that develop 
and evaluate promoter leads for investigation and shows how each 
division coordinates with others, including the Servicewide Abusive 
Transaction Executive Steering Committee.[Footnote 12] 

Figure 2: IRS Organizational Units and Coordinating Efforts for ATATs: 

[Refer to PDF for image: illustration] 

Top level: 

Executive Steering Committee: 
Provides IRS-wide coordination of ATAT efforts and consists of 
executives from Counsel, Appeals, Criminal Investigation, and the
operating divisions. 

Second level: 

LB&I: Includes the Office of Tax Shelter Analysis, offshore teams, and 
the Tax Shelter Steering Committee. 

SB/SE: Includes the Office of Abusive Transactions and Technical 
Issues and the Lead Development Center, which receives and develops 
leads. 

Third level: 

External stakeholders: include Treasury, states, tax practitioners and 
the press that provide and receive information. 

Other internal stakeholders: such as the Tax Exempt and Government 
Entities and the Criminal Investigation divisions that examine and
investigate ATATs, coordinate efforts, and raise emerging issues. 

IRS field offices: perform examinations and investigations. 

Counsel: works on guidance, helps develop issues, and litigates. 

Appeals: (handles appeals). 

Source: GAO analysis of IRS information. 

Note: The Tax Exempt and Government Entities division, which is also 
involved with ATATs, is not shown with the same prominence as LB&I and 
SB/SE because we did not focus on it in our work. 

[End of figure] 

To make a case against abusive promoters, LB&I or SB/SE may examine 
the tax returns of taxpayers investing in the promotions. If they make 
such a case, the promoters will be unable to sell their ATATs to 
taxpayers, and IRS will thus have fewer taxpayers to examine to see if 
their investments in those promotions cause tax concerns. IRS may also 
settle with groups of taxpayers without necessarily having to first 
locate and examine each taxpayer who used a promotion. IRS induces 
these taxpayers to come forward in disputed matters by, in some cases, 
reducing their penalties in exchange for conceding tax benefits that 
they claimed. 

IRS Has Limited Trend Data on the Extent of Abusive Transactions, but 
Many Tax Experts Said That the Ever-Changing Nature of ATATs Requires 
Constant Vigilance: 

IRS has limited trend data on the size of the ATAT problem in terms of 
the number of abusive promoters and taxpayers investing in the 
promotions. Estimating the extent of ATATs is at best an inexact 
process because ATATs are often hidden. Data do not exist to measure 
any ATATs unknown to IRS with much precision. Given these 
difficulties, IRS used various qualitative and quantitative methods in 
an attempt to develop some estimates in a 2006 study. IRS estimated 
that about 1 million tax returns and between about 11,000 and 15,000 
promoters were involved in ATATs in 2004.[Footnote 13] Of the 1 
million returns, IRS estimated that more than half related to 
"business and deduction" schemes and almost a third involved 
"frivolous filer/anti-tax" schemes. IRS put the rest of the returns 
into six other categories, such as corporate tax shelters. IRS had no 
plans to update these estimates. 

In the absence of data on trends in the use of ATATs, we interviewed a 
number of tax experts in IRS or who were former top officials of IRS 
or others well-known in the tax community. The experts we interviewed 
told us that abusive tax avoidance is still a major issue but the 
nature of ATATs has changed. A theme we heard from the experts is that 
the mass marketing of ATATs has declined in recent years, although the 
experts had different views on the extent of the decline. Mass 
marketing refers to the sale of advice by promoters such as larger 
accounting and tax law firms about how to structure ATATs. This advice 
was sold to clients such as wealthy individuals and corporations. One 
expert said that mass marketing of ATATs has significantly declined in 
recent years. Others made statements like the battle has been "more 
won than not." 

Although mass marketing of ATATs has declined, these experts said that 
ATATs have become more sophisticated and international in scope. In 
addition to international transactions, ATATs are changing as false 
credits and deductions, customized shelters, and return preparer fraud 
entities have come more to the fore. IRS's "dirty dozen" list, its 
annual listing of "notorious tax scams," ranks certain abuses that are 
relevant to ATATs--such as return preparer fraud and trying to hide 
income offshore--at the top. 

The experts we interviewed gave us details about how ATATs involving 
international features or tax return preparers changed. For instance, 
one expert believed abuse took the form of improperly keeping income 
offshore and not reporting it on a tax return. IRS officials said that 
abusive transactions moved from being domestic transactions mass 
marketed by large accounting and law firms to offshore transactions 
promoted by smaller entities and more customized to the buyers. IRS 
officials also said that ATATs seemed more international than before, 
with promoters changing the countries and mechanics of their 
promotions. In terms of tax return preparers, IRS officials told us of 
promotions systematically using false or inflated deductions or 
credits in tax returns. These schemes achieved broad coverage by 
taking small scale abusive positions with individual clients. For 
instance, preparers solicited clients in an attempt to improperly 
claim the First-Time Homebuyer Credit, which first came into existence 
in 2008.[Footnote 14] 

Experts also told us that the nature of the ATAT problem is cyclical 
and ever-changing and warrants continuous IRS vigilance. According to 
IRS officials, IRS tries to proactively identify and thwart emerging 
ATATs, especially early in their life cycles, pointing to early IRS 
identification of taxpayers' attempts to improperly claim the First- 
Time Homebuyer Credit. 

Three data sources other than the above IRS estimates also give some 
indication of changes in ATAT activity. First, taxpayers are 
disclosing fewer listed reportable transactions (which are designated 
as tax avoidance transactions) to IRS on Forms 8886. Taxpayers 
disclosed about 6,100 of these transactions in 2007 and about 1,300 
each in 2008 and 2009. However, IRS cannot know how many listed 
transactions should have been disclosed but were not. 

Second, the cumulative number of transaction types that IRS has 
"listed" since 2000 has leveled off at 36. As figure 3 shows, IRS did 
not designate any new listed transactions in years 2008 through 2010. 
IRS officials said they detected fewer widely promoted avoidance 
transactions suitable for listing in recent years. However, the number 
of transaction types that are listed is not an indication of how many 
promoters or taxpayers are using them. 

Figure 3: Cumulative Number of Transactions Listed by IRS, Calendar 
Years 2000 through 2010: 

[Refer to PDF for image: line graph] 

Calendar year: 2000; 
Cumulative number of transactions: 13. 

Calendar year: 2001; 
Cumulative number of transactions: 16. 

Calendar year: 2002; 
Cumulative number of transactions: 21. 

Calendar year: 2003; 
Cumulative number of transactions: 27. 

Calendar year: 2004; 
Cumulative number of transactions: 32. 

Calendar year: 2005; 
Cumulative number of transactions: 33. 

Calendar year: 2006; 
Cumulative number of transactions: 33. 

Calendar year: 2007; 
Cumulative number of transactions: 35. 

Calendar year: 2008; 
Cumulative number of transactions: 36. 

Calendar year: 2009; 
Cumulative number of transactions: 36. 

Calendar year: 2010; 
Cumulative number of transactions: 36. 

Source: GAO analysis of IRS information. 

[End of figure] 

Third, IRS identified two transactions of interest (TOI) in both 2007 
and 2008 but none in 2009 or 2010. IRS designates a new promotion that 
has the potential for tax avoidance or evasion as a TOI when IRS lacks 
information to decide whether to list it as a tax avoidance 
transaction. Doing so triggers a requirement for the taxpayers 
involved to disclose information about the transaction to IRS on Form 
8886. 

IRS Shows Vigilance over ATATs in Its Enforcement Efforts, but 
Quantifying the Impact of the Efforts Is Difficult: 

IRS has investigated promoters in an effort to stop ATATs, examined 
the tax returns of taxpayers participating in ATATs, and initiated 
settlements with groups of taxpayers without necessarily having to 
first locate and examine each taxpayer using the ATAT. IRS efforts in 
these three areas are consistent with what we heard about how the ever-
changing problems with ATATs merit continued vigilance. 

However, IRS has difficulty quantifying the IRS-wide impact of these 
efforts on the ATAT problem. As context for discussing such IRS-wide 
impacts, several examination and settlement initiative projects 
considered by the Servicewide Abusive Transaction Executive Steering 
Committee showed the challenges of working across IRS units. An 
internal IRS report noted that decisions by different divisions on how 
and when to report results on their work for one IRS-wide settlement 
initiative initially resulted in inconsistent briefings to the 
Enforcement Committee, to which the Steering Committee reports. 
Another IRS team working on an ATAT issue informed the Steering 
Committee about obstacles to coordinating among IRS units and about 
needed mitigations. As our business networks report indicated, 
competing examination efforts or plans across divisions made 
prioritization difficult.[Footnote 15] 

Investigations of Promoters Stopped Some Abuse, but IRS Has Incomplete 
Information on Why Many Investigations Were Closed without Penalties 
or Injunctions: 

For fiscal years 2006 through 2010, about 100 SB/SE promoter 
investigations annually resulted in injunctions for promoters to stop 
what they were doing and/or penalties for what they did, as table 1 
shows.[Footnote 16] The 561 investigations over the 5 years resulting 
in injunctions or penalties were 38 percent of all investigations 
closed. For the same years, SB/SE closed (e.g., discontinued for 
various reasons) 905 investigations (62 percent) without penalties or 
injunctions. 

Table 1: SB/SE Closed Promoter Investigation Results, Fiscal Years 
2006 through 2010: 

Result: Penalties only; 
2006: 49; 
2007: 67; 
2008: 58; 
2009: 51; 
2010: 46; 
Total: 271. 

Result: Injunctions only; 
2006: 11; 
2007: 15; 
2008: 17; 
2009: 20; 
2010: 10; 
Total: 73. 

Result: Injunctions and penalties; 
2006: 35; 
2007: 37; 
2008: 52; 
2009: 57; 
2010: 36; 
Total: 217. 

Subtotal for penalties and injunctions: 
2006: 95; 
2007: 119; 
2008: 127; 
2009: 128; 
2010: 92; 
Total: 561. 

Result: Discontinued/surveyed/other[A]; 
2006: 213; 
2007: 232; 
2008: 157; 
2009: 131; 
2010: 172; 
Total: 905. 

Total: 
2006: 308; 
2007: 351; 
2008: 284; 
2009: 259; 
2010: 264; 
Total: 1,466. 

Result: Discontinued/surveyed/other rate; 
2006: 69%; 
2007: 66%; 
2008: 55%; 
2009: 51%; 
2010: 65%; 
Total: 62%. 

Source: GAO analysis of IRS information. 

[A] "Discontinued" are closed after promoter contact, "surveyed" are 
closed without promoter contact, and "other" cases include those in 
which the promoter died (a rare occurrence). 

[End of table] 

This annual level of SB/SE investigations shows IRS's vigilance in 
attempting to identify and pursue leads to address ATATs. According to 
Lead Development Center (LDC) officials and documents, LDC develops 
leads received from such sources as IRS revenue agents and officers 
[Footnote 17] and practicing accountants who suggest an individual may 
be involved in an abusive promotion. IRS field offices decide whether 
to pursue an investigation. If an investigation cannot sustain a 
penalty or injunction, it can be surveyed (closed without promoter 
contact) or discontinued (closed after promoter contact). LDC 
officials said that the reasons for surveyed or discontinued 
investigations include the difficulty in proving abuse, the need to 
balance limited resources and many priorities in addressing the most 
egregious promoters, and the lack of harm to the government. 

IRS had incomplete data on why investigations were discontinued or 
surveyed. In fiscal year 2009, SB/SE discontinued 84 investigations, 
surveyed 46, and closed 1 because the promoter died.[Footnote 18] Of 
the 130 cases surveyed or discontinued, we could not analyze 30 
because LDC officials said they did not receive the documentation and 
3 because the documentation was incomplete. In over 65 percent of the 
other 97 cases we could analyze, the investigations closed because the 
parties were not actively promoting abusive transactions or because 
IRS could not obtain enough evidence to support a penalty or 
injunction. 

In February 2011, LDC started using codes to capture the reasons for 
surveying or discontinuing promoter investigations to have more 
complete data on these reasons. SB/SE officials told us they plan to 
promote consistency in the use of the reason codes by asking field 
offices to describe why they selected the codes for each case and by 
continually analyzing the different codes used. Because this process 
had just started, we had no assurance how these plans would work or 
how the reason-code data would be used to make decisions on the types 
of investigations to start. 

IRS had no criteria to indicate whether the SB/SE investigation 
results in table 1 were at desired levels. While the effectiveness of 
injunctions is apparent when they stop promotions, tax experts 
questioned the effectiveness of penalties if they do not deter those 
who will risk a penalty to engage in an abusive promotion. Without 
criteria, IRS could not say whether having 62 percent of 
investigations closed without penalties or injunctions was too many, 
too few, or about right, which would be important information in 
deciding which types of cases to select for investigation. 

Regardless, IRS officials said that closing 62 percent of 
investigations without penalty or injunction did not indicate any 
flaws. They said that decisions about doing an investigation usually 
cannot be made without some field work; decisions about continuing an 
investigation with additional field work must be balanced with the 
available field resources. These officials said they continually look 
for ways to develop and refine leads before turning them over to 
investigators because successful investigations of promoters drive 
unscrupulous individuals out of business. 

IRS Examined Thousands of Tax Returns Involving Suspected ATATs and 
Recommended Billions of Dollars in Additional Taxes, but the Impact Is 
Unclear: 

The impact of examinations on the ATAT problem is uncertain. 
Examinations of the returns from taxpayers involved in suspected ATATs 
recommended billions of dollars in additional tax assessments from 
fiscal years 2006 through 2010. IRS did not track how much of these 
recommended amounts came from the ATATs versus other tax issues. 
[Footnote 19] Further, the recommended amounts may not produce actual 
tax assessments or collections when taxpayers dispute the recommended 
amounts in the appellate or litigation processes. For examinations 
closed in fiscal years 2006 through 2010: 

* LB&I examinations of 9,400 tax returns with suspected ATATs 
recommended additional assessments for all tax issues of $42.4 
billion, of which taxpayers disagreed with about 84 percent. 

* SB/SE examinations of 125,700 returns with suspected ATATs 
recommended additional assessments for all issues of $6 billion, of 
which taxpayers contested at least 54 percent in IRS's Appeals office. 
[Footnote 20] 

Neither LB&I nor SB/SE readily tracked how much of the additional 
taxes were ultimately assessed and collected after examinations for 
either ATAT or all tax issues. IRS officials told us that they started 
tracking amounts collected from examinations that included ATAT issues 
on a monthly basis during fiscal year 2011, but the tracking does not 
isolate the amounts coming from the ATAT (as opposed to other) issues. 
[Footnote 21] 

For examinations that included taxpayer disclosures of reportable 
transactions filed with OTSA, OTSA did not have a comprehensive view 
of the results of examinations done by LB&I and SB/SE. After OTSA 
sends the disclosures to LB&I and SB/SE for possible examination, OTSA 
relies on the two IRS divisions to report back on the results. 
However, each division reported results differently. 

For LB&I examinations, the examiners were the source on the 
examination results. OTSA officials said the examiners did not report 
back on all results in a consistent manner because they were not 
required to do so. For SB/SE examinations of the disclosures, SB/SE 
officials said they collected the results for OTSA from data systems 
and not from examiners. In general, SB/SE and LB&I officials said that 
divisions track information differently because of different needs. 
For example, SB/SE relies more on electronically capturing examination 
results because it does more examinations of shorter duration compared 
to LB&I. 

According to SB/SE officials, SB/SE was unable to provide OTSA with 
data in time for the May 2010 annual report to the Joint Committee on 
Taxation due to its larger number of examinations. These SB/SE 
officials also said that they did not review the accuracy of the SB/SE 
data used in the annual reports. Without comprehensive or consistent 
results on examinations of ATAT disclosures for the report to the 
Joint Committee, IRS cannot be certain it is providing reliable 
information to the Congress. Nor will IRS executives have the best 
information available for making decisions about the number of 
examinations to do and for evaluating their impacts. 

IRS's Settlement Initiatives Involved Billions of Dollars, but Amounts 
Collected and the Effect on ATATs Cannot Always Be Isolated: 

In various ATAT settlement initiatives, IRS provided inducements for 
taxpayers to come forward to IRS to resolve disputed matters. The 
inducements sometimes took the form of reducing taxpayers' penalties 
in exchange for taxpayers conceding tax benefits that they claimed. 
IRS reported to the Joint Committee on Taxation that it had collected 
billions of dollars from taxes, penalties, and interest from the 
beginning of its 17 ATAT settlement initiatives through early 2010. 

These dollar figures should not be considered the final word in 
describing the 17 initiatives' results through early 2010. On one 
hand, they did not include the results of field work and litigation 
still occurring at the time of that report. On the other hand, 
initiative results included some collections from taxpayers who did 
not participate in the settlement but whose tax returns had been 
examined because they were related to the relevant transaction. 
[Footnote 22] Also, according to IRS officials, initiative results 
sometimes included issues not targeted by the initiative. As noted 
earlier, IRS's enforcement tracking systems only track ATAT results by 
case and not by separate tax issues within a case. 

Furthermore, the dollar amounts collected for the 17 ATAT initiatives 
were not reported consistently to the Joint Committee on Taxation. For 
instance, the dollar amount for the Global Settlement Initiative, 
which aimed to resolve 21 unrelated abusive transaction issues under 
one framework, was the amount of additional tax recommended, not the 
amount collected. Also, the total for all of the ATAT initiatives as 
reported to the Joint Committee did not include any dollars collected 
from the very large-dollar LILO and similar Sale-In/Lease-Out (SILO) 
ATAT initiatives. The responsible IRS group did not provide data on 
the LILO initiative and provided data on adjustments to taxable 
income, rather than the amount collected, on the SILO initiative. 
Lacking data on how much additional tax ultimately was collected 
limits information on the impact of the settlement initiative. 

Better tracking of dollar collections could be considered for future 
initiatives.[Footnote 23] However, IRS has not seen the need to start 
new ATAT initiatives, which could be consistent with experts' view 
that the extent of the ATAT problem has eased. Further, isolating the 
impact on ATATs of settlement initiatives from the impacts of 
examinations and promoter investigations is difficult to do, 
especially when IRS does not have an IRS-wide system for tracking and 
comparing the results from its enforcement efforts. 

The AJCA Increased Abusive Transaction Disclosure Requirements and 
Penalties, but Problems Remained: 

The AJCA provided new tools to address ATATs. For material advisors, 
it revised the requirements to disclose reportable transactions and 
provide lists of their investors to IRS upon request or face 
penalties. For taxpayers, the AJCA established requirements to 
disclose reportable transactions or be subject to enhanced penalties. 

OTSA received thousands of Forms 8886 from taxpayers to disclose 
reportable transactions for 2007 through 2009, as table 2 shows. 
Almost all of these disclosures were associated with loss 
transactions--most of the losses had not been deemed by IRS to be tax 
avoidance. OTSA officials said that the number of disclosures dropped 
in 2008 because IRS combined multiple disclosures from one taxpayer 
into one disclosure, and increased in 2009 because economic conditions 
generated more losses that were disclosed as reportable transactions. 

Table 2: Number of Form 8886 Reportable Transaction Disclosures by 
Taxpayers, Calendar Years 2007 through 2009: 

Reportable transaction category: Listed; 
2007: 6,139; 
2008: 1,348; 
2009: 1,293. 

Reportable transaction category: Non-listed, loss; 
2007: 88,371; 
2008: 50,782; 
2009: 88,582. 

Reportable transaction category: Non-listed, other than loss; 
2007: 6,283; 
2008: 712; 
2009: 292. 

Reportable transaction category: Total; 
2007: 100,793; 
2008: 52,842; 
2009: 90,167. 

Source: GAO analysis of IRS information. 

[End of table] 

If taxpayers do not file all required Forms 8886 or file incomplete or 
inaccurate forms, IRS would lack the information that it needs to make 
decisions on whether to examine the appropriateness of the 
transactions being disclosed by taxpayers. Without this transparency, 
abusive transactions are more likely to stay hidden from IRS. 

OTSA Did Not Verify That It Received All Required Disclosures or That 
They Were Complete: 

OTSA Did Not Verify That It Received All Disclosures from Taxpayers: 

According to OTSA officials, OTSA did not confirm that it always 
received its copy of the required Form 8886 from taxpayers disclosing 
a reportable transaction. Taxpayers must file one copy of the form 
with their tax return and send a second copy directly to OTSA for 
their initial year of participation. Absent a system to confirm that 
OTSA always received its copy, IRS cannot know how prevalent this 
problem might be. However, IRS knows that a problem exists because, 
according to IRS officials, IRS examiners of tax returns have 
identified some taxpayers who filed their Form 8886 with their tax 
return but failed to send it to OTSA. If OTSA does not receive 
disclosures, it cannot identify transactions that merit examination 
for appropriateness as well as possible penalties. 

For individual tax returns filed on paper, IRS had no return 
processing indicator that would specify when a Form 8886 was received 
with all types of returns. IRS had an indicator for corporate, 
partnership, estate and trust, and tax-exempt returns but did not 
update that indicator to cover all types of returns when it created 
the Form 8886; extensive computer programming would have been 
required. For electronically-filed tax returns with Form 8886 
disclosures, OTSA officials said that they did not use existing IRS 
data to verify if they received copies of the forms. In 2008, OTSA 
investigated the viability of doing a match to verify if it received 
its copies. OTSA had data problems and had not made the match a high 
priority. OTSA officials said it will not do any match until it also 
covers paper-filed returns to adhere to IRS's policy on treating paper-
and electronically-filed returns equally for purposes of verification. 

Recognizing this policy, OTSA officials said that IRS was establishing 
a new indicator for paper and electronic tax returns to identify each 
Form 8886 filed. OTSA officials said that the new indicator, if it 
works as intended, would allow them to identify paper and electronic 
Form 8886 disclosures that OTSA has not received. OTSA officials said 
that the new indicator would not be operational until September 2012 
for use with 2011 tax returns filed in 2012. 

Given that checking compliance in filing required Forms 8886 would be 
facilitated by electronically-filed tax returns, OTSA does annual 
studies on whether it should pursue authority from the Congress for 
mandatory electronic filing for all taxpayers who file Form 8886. 
[Footnote 24] Studies done in 2008, 2009, and 2010 indicated that 
mandatory electronic filing would make processing the Form 8886 less 
time-and labor-intensive and more accurate. However, all three studies 
concluded that mandating electronic filing was not currently viable or 
realistic, mainly because, according to the study reports, the great 
majority of taxpayers filing the Form 8886 did not already file their 
tax returns electronically and would have to change their filing 
format. For example, for all Form 8886 filers in processing year 2009, 
14 percent filed their tax return electronically, including 43 percent 
of corporate filers, 32 percent of partnership filers, 11 percent of 
individual filers, and 3 percent of estate and trust filers. 

However, these OTSA studies did not examine whether the returns were 
already being prepared on computers. If they were, taxpayers could 
more readily comply with an electronic filing mandate. IRS data 
compiled from codes collected on tax returns show that about two 
thirds of all paper returns in 2008 (and about 92 percent when a paid 
preparer was used) were prepared on a computer, printed, and mailed to 
IRS. As another indication of the feasibility of requiring electronic 
filing, the median adjusted gross income for individual Form 8886 
filers in 2006 was about $1.4 million--an income level that would 
likely be able to afford a computer or a paid preparer in filing tax 
returns. 

Instead of pursuing mandatory electronic filing, IRS planned to begin 
using barcode technology in early 2011. IRS's plan assumes that 
taxpayers can use computers to download and complete the Form 8886 
from the irs.gov Web site. A barcode on the Form 8886 will be updated 
automatically from specific fields on the form and then printed on the 
paper return. IRS can then scan the barcode without verifying the 
information. Even in this case, taxpayers would still need to send a 
paper copy of their Form 8886 directly to OTSA. 

OTSA May Not Have Received All Forms from Material Advisors: 

Material advisors may not have filed all of their Forms 8918 or 8264 
with OTSA, as required.[Footnote 25] By analyzing IRS Statistics of 
Income (SOI) samples of 2007 partnership and S corporation tax 
returns, we found 668 entities that reported that they filed or were 
required to file a material advisor form on a reportable transaction. 
[Footnote 26] When we matched the Employer Identification Numbers of 
these entities against the identifying numbers that appeared on the 
Forms 8918 and 8264 in OTSA's material advisor database, only about 5 
percent of the 668 entities appeared in the database. 

For 2007, OTSA believed many partnership and S corporation filers 
likely confused the citation specified for material advisors (Internal 
Revenue Code (IRC) section 6111) with section 6011, which deals with 
the investor disclosure on Form 8886. As the section numbers are 
similar and the partnership and S corporation forms did not 
specifically ask if the taxpayer filed a Form 8918 or was a material 
advisor, OTSA believed that the filers would incorrectly answer the 
section 6111 question on the return, thinking that they were affirming 
they had a section 6011 obligation. In 2008 and 2010, IRS revised the 
relevant question on the partnership and S corporation forms, 
respectively, specifically mentioning the Form 8918 and material 
advisor disclosure. OTSA believes this change will correct the 
mismatches we found. It intends to match the material advisor database 
against SOI data for 2008 partnership forms to determine if the 
disparity persists in a year after the question revision. However, 
matching S corporation data would have to await the availability of 
SOI information for 2010. 

IRS Did Not Verify That All Disclosures Were Complete: 

IRS received more than 325,000 Forms 8886 for 2006 through 2009. IRS 
reviewed about 10 percent for completeness,[Footnote 27] which meant 
that IRS could understand the transaction and its tax benefits and 
identify the parties involved. After the review, IRS sent 177 letters 
to taxpayers on apparently incomplete disclosures, asking for the 
missing information to be submitted. IRS later determined that 111 (63 
percent) of the taxpayers responding did not have either a disclosure 
requirement or a completeness issue. For various reasons, IRS did not 
resolve whether all of the other 66 taxpayers had disclosure 
requirements or complete disclosures. 

In January 2011, OTSA officials said they were contemplating a new 
process for reviewing all disclosures for completeness based on a 10- 
question checklist. The completed checklist is to be used to determine 
whether the disclosure is incomplete and what action to take. OTSA 
officials said that final decisions on the details of the process have 
not been made and that the process would not be established until the 
2012 filing season at the earliest. Afterward, its success would not 
be analyzed until after two years of reviews had occurred according to 
these officials. As a result, IRS will not know for at least two years 
whether the new process will overcome the previous problems in 
deciding if disclosures were really incomplete and in following up 
with the taxpayers. Without an adequate review process in place, IRS 
risks accepting filed disclosure forms from taxpayers that do not 
completely describe the potentially abusive transaction. 

Non-Material Advisors Did Not Provide Investor Lists to IRS in a 
Timely Manner and Do Not Face Timeliness Penalties, unlike Material 
Advisors: 

Even if the promoter is not a material advisor, IRS still can request 
lists of investors. Promoters of abusive schemes who do not provide 
lists to IRS when requested could continue their schemes. Receiving 
investor lists from these promoters sooner enables IRS to more quickly 
determine any harm to the government and obtain injunctions working 
with the Department of Justice to stop abusive promoter activity. 

OTSA officials said they were unaware of IRS comprehensively tracking 
how often lists requested from material advisors were not received on 
time. IRS had data on how often material advisors were penalized for 
not keeping the lists or providing them on time. For 2008 and 2009, 
OTSA received 11 investor lists within the required 20 business days 
after the request under section 6112 and did not need to assess 
timeliness-related penalties under IRC section 6708. Outside of OTSA, 
IRS assessed five penalties against material advisors for requested 
investor lists during 2008 and 2009. 

Unlike for material advisors, non-material advisors are not subject to 
the 20-business-day standard for timeliness under section 6112, or to 
the section 6708 penalty for not meeting that timeliness standard. 
[Footnote 28] Based on our interviews with 27 SB/SE revenue agents who 
do promoter investigations, they generally agreed that many of the non-
material advisors do not quickly provide the lists. We sought such 
information from SB/SE revenue agents who investigated promoters 
because most of their investigations involve non-material advisors and 
because SB/SE did not track how often and how quickly the requested 
investor lists are received. Fourteen agents provided data on how 
quickly they received the lists for 54 ongoing investigations of non-
material advisors. These non-generalizable data show that IRS received 
13 of the 54 requested lists (24 percent) within 20 business days of 
the request date. IRS received another 22 lists (41 percent) after the 
20 days (7 months to receive on average). IRS had not received 19 
lists, (35 percent) of which 18 had exceeded 20 business days. 

To induce non-material advisors to provide investor lists, the agents 
provided options and differing opinions on their possible impacts. 

* Many agents said that they issued summonses for investor lists. 
[Footnote 29] Some said that bringing a summons to their first meeting 
with a promoter expedited receiving the lists while one agent said 
that some local IRS offices do not encourage bringing a summons to the 
first meeting. 

* Agents said that extending the statute of limitations[Footnote 30] 
could help but raises difficulties. Taxpayers could be burdened by 
having to keep records longer. IRS officials also had concerns in 
certain circumstances, about relying on the extended statute of 
limitations provided by the AJCA for undisclosed listed transactions. 
[Footnote 31] 

* Some revenue agents said that establishing a penalty on non-material 
advisor promoters who do not provide investor lists within 20 business 
days could help. Promoters who view their products as legitimate might 
quickly provide a list to avoid this penalty. This penalty might not 
prompt promoters who hide their transactions because they would not 
pay any penalty or they believe they can escape detection. The new 
penalty could be limited to those meeting the definition of a promoter 
for IRC sections 6700 and 6701. 

Another option for getting investor lists from promoters who are not 
material advisors would be to lower the thresholds for material 
advisors, which IRS had once considered.[Footnote 32] If these 
material advisor thresholds were lowered, more promoters of reportable 
transactions could be required to maintain lists and be penalized for 
not providing them. However, burdens would increase for promoters with 
legitimate products, and those who were not legitimate may still not 
be material advisors and may therefore avoid the requirement. 

Abusive Transaction Penalty Assessments Increased after AJCA 
Implementation: 

The AJCA revised or added penalties to address abusive transactions. 
For the revised penalties, their annual number and aggregate dollar 
amount of penalty assessments increased at least part of the time 
since AJCA passage in 2004.[Footnote 33] For example, starting in 
2004, the AJCA changed a penalty imposed by section 6700 on promoters 
of abusive tax shelters from a maximum of $1,000 to 50 percent of the 
gross income from a promotion. As a result, IRS assessed penalties 
over $1 million against some promoters. Compared to 2004, the annual 
aggregate number and amount of penalty assessments was higher through 
2009, as figure 4 shows. 

Figure 4: IRC Section 6700 Penalty Assessments on Promoters of Tax 
Shelters, Fiscal Years 2004 through 2009: 

[Refer to PDF for image: multiple line graph] 

Fiscal Year: 2004; 
Number of assessments: 15; 
Dollar amount of assessments: $6 million. 

Fiscal Year: 2005; 
Number of assessments: 65; 
Dollar amount of assessments: $46 million. 

Fiscal Year: 2006; 
Number of assessments: 78; 
Dollar amount of assessments: $34 million. 

Fiscal Year: 2007; 
Number of assessments: 94; 
Dollar amount of assessments: $43 million. 

Fiscal Year: 2008; 
Number of assessments: 164; 
Dollar amount of assessments: $55 million. 

Fiscal Year: 2009; 
Number of assessments: 140; 
Dollar amount of assessments: $55 million. 

Source: GAO analysis of IRS information. 

[End of figure] 

AJCA provisions revised two penalties for IRS's use against abusive 
transactions (see appendix II for details). For example, one provision 
[Footnote 34]--creating IRC section 6662A--augmented the existing 
accuracy-related penalty[Footnote 35] with an accuracy-related penalty 
for reportable transaction understatements. From fiscal year 2005 
through 2009, the number of penalties and aggregate dollar amount 
generally rose each year. 

The AJCA added or amended three reportable-transaction disclosure 
penalties, applying to taxpayers in the first case and material 
advisors in the others (see appendix II for details). 

* A new penalty imposed by IRC section 6707A is for taxpayers who fail 
to adequately disclose reportable transactions. Most of the penalty 
assessments were for $100,000 or $200,000. 

* A new penalty imposed by section 6707 is for material advisors who 
fail to adequately disclose reportable transactions. Compared to the 
6707A penalty on taxpayers, fewer material advisors were penalized, 
but most of their penalty amounts exceeded $1 million, resulting in 
higher aggregate penalty amounts. 

* A penalty imposed by section 6708 is for material advisors who fail 
to maintain investor lists or provide them to IRS within 20 business 
days after the request. Most penalty assessments ranged from $740,000 
to $1.1 million. 

Figure 5 shows the number and dollar amount of assessments for the 
first two penalties for not adequately disclosing reportable 
transactions--section 6707A against taxpayers and section 6707 against 
material advisors. 

Figure 5: Number and Dollar Amount of Penalty Assessments for Not 
Adequately Disclosing Reportable Transactions against Taxpayers under 
Section 6707A and Material Advisors under Section 6707, Fiscal Years 
2005 through 2009: 

[Refer to PDF for image: vertical bar graph] 

Number of assessments: 
Taxpayers: 430; 
Material advisors: 26. 

Dollar amount of net assessments: 
Taxpayers: $60	million; 
Material advisors: $79 million. 

Source: GAO analysis of IRS information. 

Note: Net assessments are initial assessments less abatements 
(reductions in assessments); taxpayer assessments do not reflect 
adjustments that IRS made after the Small Business Jobs Act of 2010 
passed. 

[End of figure] 

After IRS's increased use of the enhanced penalty sanctions under the 
AJCA, the Congress amended section 6707A, decreasing the penalty 
amounts for some cases. Many small businesses had received penalty 
assessments that exceeded the benefits gained through the 
transactions. The Small Business Jobs Act of 2010[Footnote 36] lowered 
the penalty amounts (see appendix II for changes). Because the 2010 
law change was retroactively effective for penalties assessed after 
December 31, 2006, adjustments on many assessments were needed. IRS 
officials said that they adjusted 898 closed cases as well as about 
100 cases with penalty assessments that were still open as of February 
2011. 

Conclusions: 

Because ATATs have been a long-standing, ever-changing, and often a 
hidden problem for IRS, much activity in this area is left to IRS's 
judgment. For the same reasons, no set of actions taken by IRS would 
completely eliminate the problem. IRS has shown vigilance in pursuing 
ATATs with a number of programs and offices trying to attack the 
problem from different perspectives. 

While measuring the impact of IRS's efforts is challenging, having 
more information on the results of its enforcement efforts such as why 
investigations were closed without penalties or injunctions would 
better inform IRS management when making judgments about program 
effectiveness and resource allocation. In addition, if IRS improved 
the consistency and accuracy of its tracking and reporting of both its 
ATAT and non-ATAT examination results, the information could be more 
meaningful to managers as well as to the Joint Committee on Taxation. 

Further, more could be done to ensure compliance with disclosure 
requirements by material advisors and taxpayers. If OTSA could verify 
that it received all required disclosures and that the disclosures 
were complete, IRS would have more information to determine whether 
the transactions disclosed were appropriate. However, paper filing 
continues to be a barrier in processing disclosures, and actions to 
have more disclosures filed electronically would be beneficial. 

In addition, IRS has generally been successful in obtaining required 
disclosures and investor lists from material advisors. Promoters who 
do not meet the statutory definition to be a material advisor face no 
requirements to provide IRS with their list of investors within 20 
business days after IRS requested a list or no penalties for failing 
to do so. If IRS started to monitor the timeliness of its receipt of 
requested investor lists, IRS would be able to determine when actions 
are needed to obtain the lists sooner. IRS also could consider taking 
steps to get the lists sooner. Various administrative steps, such as 
not always having a summons in hand when meeting a suspected promoter, 
slow IRS. Addressing such concerns could help ensure that promoters 
and taxpayers are complying with congressional intent in requiring 
provision of the investor lists and better position IRS to ensure that 
taxes legally due to Treasury are paid. 

Matter for Congressional Consideration: 

The Congress should consider instituting a penalty on non-material 
advisor promoters for failing to provide investor lists to IRS within 
a specified time period when requested, comparable to the 20-business-
day requirement for material advisors. 

Recommendations for Executive Action: 

We recommend that the Commissioner of Internal Revenue take the 
following ten actions: 

1. To focus resources on promoter investigations most likely to stop 
abuse, establish a process to ensure that field office staff 
consistently apply the recently created reason codes for closing 
investigations without penalties or injunctions, and document how the 
results are analyzed and used in decisions on investigations to start. 

2. To improve reporting on the results of examinations on ATAT issues, 

a. require all divisions to supply similar, consistent results from 
existing data systems; 

b. separately track the tax amounts recommended, assessed, and 
collected between ATAT issues and non-ATAT issues; and: 

c. establish a process to review the accuracy of examination data 
prior to its inclusion in future reports to the Joint Committee on 
Taxation. 

3. To ensure that Forms 8886 filed with tax returns are also filed 
with OTSA, after establishing a new indicator for paper and electronic 
tax returns, establish a process to periodically check whether the 
filers met their filing obligations with OTSA. 

4. To improve IRS's next study of whether Form 8886 should be filed 
electronically, identify how often filers already use computers to 
prepare these forms. 

5. To ensure material advisor disclosure forms are filed, investigate 
why partnerships and S corporations often did not file a form with 
OTSA even though they reported on their tax returns that they filed 
the form with IRS or had a requirement to file. 

6. To correct problems with its review of the completeness of 
disclosure forms, ensure that OTSA establishes a new process to review 
completeness and monitor its success. 

7. To monitor the timeliness of investor list receipts, 
comprehensively track the elapsed days it takes for material advisors 
and non-material advisors to provide the lists to IRS. 

8. To induce non-material advisors to provide investor lists to IRS 
within a specified time, take steps such as requiring IRS staff to 
bring a summons for an investor list to the first interview with a 
suspected non-material advisor, and reevaluating the idea of lowering 
material advisor dollar thresholds. 

Agency Comments and Our Evaluation: 

We sent a draft of this report to the Commissioner of Internal Revenue 
for comment. We received written comments on the draft from IRS's 
Deputy Commissioner for Services and Enforcement on April 29, 2011 
(for the full text of the comments, see appendix III). IRS agreed that 
better data may lead to better resource allocation decisions and 
improved ATAT enforcement efforts. Of our ten recommendations, it 
fully agreed with seven, disagreed with one (number 7), and partially 
agreed with two (numbers 8 and 2b). 

In describing actions on the recommendations with which IRS had 
agreements, the Deputy Commissioner stated that IRS would do the 
following: 

* update the Internal Revenue Manual's handling of reason codes for 
surveying or discontinuing investigations and evaluate whether any of 
the reason data collected warrant changing how investigations are 
selected; 

* ensure that IRS uses the same databases and methodologies (such as 
across IRS divisions) for public reporting on the examination results 
of ATAT issues; 

* develop criteria for consistently using IRS examination result data 
and a consistent methodology for validating the data before they are 
released (such as to the Joint Committee on Taxation); 

* establish a new indicator and a process to regularly review whether 
filers met their disclosure obligations with OTSA; 

* improve its next study of whether Form 8886 should be filed 
electronically by identifying how many Form 8886 filers use computers 
to prepare the form; 

* test mismatches of partnership and S corporation information with 
OTSA information to identify potentially unfiled forms; and: 

* formalize procedures to identify, evaluate, and follow up on 
incomplete disclosures. 

IRS disagreed with our recommendation on comprehensively tracking the 
elapsed time for any advisors to provide investor lists when IRS 
requests. IRS commented that the information currently contained in 
individual case files reflects when information has been requested and 
received, but that resource and capability constraints may outweigh 
the benefits of capturing this additional information on a systematic 
basis. We agree that costs and benefits must be carefully weighed. In 
that regard, IRS's data collection would not have to be elaborate. For 
instance, SB/SE officials already send data on the investor lists 
received to a central list keeper. These officials also could send the 
dates when each list was requested and received to that same office. 
In that way, SB/SE could see if the slowness in receiving some lists 
that we found is prevalent across the division, and other divisions 
could do the same thing. If the slowness is prevalent, IRS officials 
would then have the information needed to make decisions on whether 
IRS is doing all it can to quickly determine and address any harm to 
the government. Finally, the data collection is possible in that we 
were able to collect such data from some revenue agents on the 
timeliness of investor lists received. 

IRS partially agreed with our recommendation on two options for 
inducing non-material advisors to provide investor lists within a 
specified time. It did not fully agree with the first option. In lieu 
of requiring summonses to be prepared for the first meeting with non- 
material advisors, IRS stated that its Internal Revenue Manual would 
recommend that IRS agents consider preparing summonses to use at 
initial meetings with possibly problematic non-material advisors. We 
encourage IRS to track how often IRS agents provide summonses at these 
meetings in the future and whether their doing so expedites obtaining 
non-material advisor investor lists. If IRS still finds obtaining the 
lists difficult after changing the Internal Revenue Manual, we 
encourage it to take additional steps to receive the lists more 
quickly. IRS agreed with the second option on reevaluating whether 
lowering material advisor thresholds would be useful. It said it would 
gather input to make that determination. 

IRS also partially agreed with our recommendation that it separately 
track the tax amounts recommended, assessed, and collected between 
ATAT issues and non-ATAT issues. Although IRS agreed that tracking 
these amounts by issue (rather than by case as is currently done) 
might provide valuable information for management, it cited resource 
and capability constraints in doing the tracking. Recognizing the 
value of tracking this management information, IRS should explore 
approaches to leverage its resources in order to provide more accurate 
and consistent data on the results of its examinations. This can help 
better inform IRS and the Congress about whether the ATAT examinations 
are an efficient use of resources in producing desired impacts. 

As agreed with your offices, unless you publicly announce its contents 
earlier, we plan no further distribution of this report until 30 days 
from its issue date. At that time, we will send copies to the 
Secretary of the Treasury, the Commissioner of Internal Revenue, and 
other interested parties. The report will also be available at no 
charge on GAO's Web site at [hyperlink, http://www.gao.gov]. 

If you or your staff have any questions about this report, please 
contact me at (202) 512-9110 or at whitej@gao.gov. Contact points for 
our Offices of Congressional Relations and Public Affairs may be found 
on the last page of this report. Key contributors to this report are 
listed in appendix IV. 

Signed by: 

James R. White:
Director, Tax Issues:
Strategic Issues Team: 

[End of section] 

Appendix I: Additional Details about Scope and Methodology: 

Results of the Internal Revenue Service's (IRS) Promoter 
Investigations, Investor Examinations, and Settlement Initiatives: 

The statistics we analyzed came from many sources. We obtained data 
related to promoter investigations from the Lead Development Center's 
(LDC) database within IRS's Small Business/Self-Employed division. 
Information about examinations came from IRS's Audit Information 
Management System-Computer Information System (A-CIS). IRS collected 
information on settlement initiatives from initiative participants 
throughout the organization. 

To obtain information on why promoter investigations were either 
discontinued or surveyed by IRS, we obtained documentation on these 
investigations from LDC for fiscal year 2009. LDC received this 
documentation, which provided the reasons the promoter investigations 
were discontinued or surveyed, from examiners who performed the 
investigations. Of 130 investigations that were either discontinued or 
surveyed, we analyzed documentation on 97 investigations. We could not 
analyze the remaining 33 investigations because either LDC did not 
receive the documentation or the documentation was incomplete. From 
our analysis of the 97 investigations, we identified the reasons these 
investigations were either discontinued or surveyed. 

Results of IRS's Implementation of the Abusive Tax Avoidance 
Transaction (ATAT) Disclosure and Sanction Provisions Enacted in the 
American Jobs Creation Act of 2004 (AJCA): 

To evaluate the results of IRS's implementation of the AJCA, we 
selected those sections of the act for which IRS had data on the 
disclosures and penalties. We used data from different sources. We 
obtained ATAT disclosure information from the reportable transaction 
and material advisor databases kept by the Office of Tax Shelter 
Analysis (OTSA) and penalty information from IRS's Enforcement Revenue 
Information System (ERIS). Criteria we used to evaluate the AJCA's 
results included whether (1) OTSA received all the reportable 
transaction and material advisor forms it should have, (2) submitted 
reportable transaction disclosure forms met OTSA's standard for 
completeness, (3) IRS received investor lists from material advisors 
within 20 business days of the time requested, and (4) the AJCA's 
introduction of new penalties and penalty amounts increased the annual 
number and aggregate dollar amount of ATAT penalties assessed. 

To determine if IRS's requirement for material advisor disclosures to 
be filed with OTSA was met, we tested the extent for partnership and S 
corporation tax returns. The returns we tested were in the IRS 
Statistics of Income (SOI) division's samples of partnership and S 
corporation tax returns for 2007, the last year for which we had 
information during our SOI work.[Footnote 37] These returns had a line 
item asking taxpayers if they had disclosed, or needed to disclose, 
information about material advisors. For those answering "yes," we 
confirmed whether OTSA's material advisor database showed them filing 
a material advisor form from the time the AJCA was enacted through 
much of 2010. After discovering that the database often showed no 
material advisor forms filed, we followed up with OTSA. 

To determine how much time elapsed from when IRS requested lists of 
investors with non-material advisor promoters until when it received 
them, we used an IRS spreadsheet provided in August 2010 of open 
investigations for which IRS had received lists. This spreadsheet 
showed investigations being conducted by 90 investigators. We used 
this spreadsheet to pinpoint IRS investigators from whom we could 
collect information, rather than to project to a universe of 
investigators or investigations. From the spreadsheet, we selected the 
11 investigators with the most open investigations. We selected 
another 20 investigators randomly. We also asked to meet with all of 
the selected investigators in groups to ask general questions about 
their impressions of how easy or hard it was to obtain the lists. We 
met with or received written answers from 27 investigators. 

At our instruction, IRS sent each of the selected investigators a 
template asking for the dates on which investor lists were requested 
and received for each investigation. Fourteen investigators provided 
dates on when investor lists were requested and received from 
promoters who were not identified as tax return preparers. We excluded 
preparers because they are required to submit copies of tax returns or 
the names of taxpayers for whom they prepared tax returns to IRS when 
requested. 

Reliability of Data from IRS Databases That We Used: 

We found the IRS databases we used to be reliable for the purposes of 
this report. We had tested the reliability of A-CIS, ERIS, and SOI 
data for previous reports,[Footnote 38] and we supplemented our 
knowledge through interviews with IRS officials and through 
documentation review. For LDC and OTSA databases, we reviewed 
documentation and interviewed IRS officials. When we matched OTSA and 
SOI data, where appropriate, we ran electronic checks and compared 
output to other information for reasonableness purposes. 

We conducted this performance audit from July 2009 through May 2011 in 
accordance with generally accepted government auditing standards. 
Those standards require that we plan and perform the audit to obtain 
sufficient, appropriate evidence to provide a reasonable basis for our 
findings and conclusions based on our audit objectives. We believe 
that the evidence obtained provides a reasonable basis for our 
findings and conclusions based on our audit objectives. 

[End of section] 

Appendix II: Selected American Jobs Creation Act of 2004 Provisions 
Related to Tax Shelters: 

The American Jobs Creation Act of 2004 (AJCA) provided new or revised 
tools related to what it called tax shelters.[Footnote 39] For 
example, it established requirements for material advisors to disclose 
reportable transactions and provide lists of their investors to IRS. 
It also added or revised penalties and other sanctions, such as 
censures and injunctions. Information follows on the AJCA-created or 
AJCA-changed sections of the Internal Revenue Code (IRC) that we 
reviewed. Following that is similar information related to amendments 
to title 31 of the United States Code, dealing with money and finance. 

IRC Section 6111--Disclosure of Reportable Transactions by Material 
Advisors: 

The AJCA provision amending section 6111 repealed the law on 
registering tax shelters as defined therein and began requiring each 
material advisor to describe any reportable transaction and its 
potential tax benefits on an information return filed with IRS on a 
timely basis. The main information return submitted by material 
advisors is the Material Advisor Disclosure Statement (Form 8918), 
which superseded the Application for Registration of a Tax Shelter 
(Form 8264). Table 3 shows the numbers of these forms received from 
2003 through 2009. 

Table 3: Form 8918 and Form 8264 Filings, Calendar Years 2003 through 
2009: 

Calendar year: 2003; 
Number of disclosures: 1,083. 

Calendar year: 2004; 
Number of disclosures: 686. 

Calendar year: 2005; 
Number of disclosures: 1,053. 

Calendar year: 2006; 
Number of disclosures: 449. 

Calendar year: 2007; 
Number of disclosures: 357. 

Calendar year: 2008; 
Number of disclosures: 1,012. 

Calendar year: 2009; 
Number of disclosures: 206. 

Calendar year: Total; 
Number of disclosures: 4,846. 

Source: IRS. 

[End of table] 

IRC Section 6112--Investor Lists: 

The AJCA provision amending section 6112 required that a material 
advisor must keep a list identifying each person for whom the advisor 
acted as a material advisor for a reportable transaction, and provide 
the list to the Secretary when requested in writing. Table 4 shows the 
number of lists that IRS's Office of Tax Shelter Analysis (OTSA) 
requested from 2006 through 2009. 

Table 4: Number of Investor Lists Requested from Review of Material 
Advisor Disclosures, Calendar Years 2006 through 2009: 

Calendar year: 2006; 
Number of investor lists requested: 8. 

Calendar year: 2007; 
Number of investor lists requested: 4. 

Calendar year: 2008; 
Number of investor lists requested: 3. 

Calendar year: 2009; 
Number of investor lists requested: 8. 

Calendar year: Total; 
Number of investor lists requested: 23. 

Source: IRS. 

Note: OTSA officials said they did not know how many lists OTSA 
requested from 2003 through 2005, but to the best of their knowledge 
none was requested. 

[End of table] 

IRC Section 6501(c)(10)--Statute of Limitations for Undisclosed Listed 
Transactions: 

The AJCA amended section 6501 to extend the statute of limitations for 
IRS to assess taxes related to undisclosed listed transactions. 
Generally, the statute of limitations runs for 3 years after a tax 
return is filed or due, whichever is later. As amended by the AJCA, 
the statute of limitations with regard to listed transactions can 
extend beyond 3 years up to 1 year after the earlier of the date that 
(1) the taxpayer discloses pursuant to section 6011, or (2) a material 
advisor satisfied the Secretary's request for an investor list under 
section 6112, including the name of the taxpayer in question. 
According to IRS, it did not have systemic data on whether assessments 
were made pursuant to section 6501(c)(10) because each case is 
different and systemic information would be unreliable. 

IRC Section 6662A--Accuracy-Related Penalty: 

The AJCA provision creating section 6662A augmented the existing 20 
percent accuracy-related penalty of section 6662 with a new accuracy- 
related penalty for understated income from reportable transactions. 
If a taxpayer disclosed a reportable transaction, the penalty would 
equal 20 percent of the understatement amount. If the taxpayer did not 
disclose the transaction, the penalty would equal 30 percent of the 
understatement amount. Table 5 shows an increase in the number of 
these penalties for fiscal years 2005 through 2009 as well as in the 
number of abatements, or reductions, of those penalties.[Footnote 40] 

Table 5: Accuracy-Related Penalty Assessments for Reportable 
Transactions, Fiscal Years 2005 through 2009: 

FY: 2005; 
Number of penalty assessments: 7; 
Penalty assessment amounts: $56,853; 
Number of penalty abatements: 0; 
Penalty abatement amounts: $0; 
Net penalty assessment amounts: $56,853; 
Penalty collection amounts: $36,683. 

FY: 2006; 
Number of penalty assessments: 37; 
Penalty assessment amounts: $608,188; 
Number of penalty abatements: 4; 
Penalty abatement amounts: $15,472; 
Net penalty assessment amounts: $592,716; 
Penalty collection amounts: $264,252. 

FY: 2007; 
Number of penalty assessments: 40; 
Penalty assessment amounts: $668,957; 
Number of penalty abatements: 4; 
Penalty abatement amounts: $13,358; 
Net penalty assessment amounts: $655,599; 
Penalty collection amounts: $110,842. 

FY: 2008; 
Number of penalty assessments: 123; 
Penalty assessment amounts: $1,367,724; 
Number of penalty abatements: 21; 
Penalty abatement amounts: $101,718; 
Net penalty assessment amounts: $1,266,006; 
Penalty collection amounts: $176,860. 

FY: 2009; 
Number of penalty assessments: 133; 
Penalty assessment amounts: $1,056,061; 
Number of penalty abatements: 23; 
Penalty abatement amounts: $130,832; 
Net penalty assessment amounts: $925,229; 
Penalty collection amounts: $248,034. 

FY: Total; 
Number of penalty assessments: 340; 
Penalty assessment amounts: $3,757,783; 
Number of penalty abatements: 52; 
Penalty abatement amounts: $261,380; 
Net penalty assessment amounts: $3,496,403; 
Penalty collection amounts: $836,671. 

Source: IRS. 

[End of table] 

IRC Section 6700--Penalty on Promoters of Abusive Tax Shelters: 

The AJCA amended section 6700 to change the penalty amounts. Section 
6700 imposes a penalty on persons who (1) organize or assist in the 
organization of any entity, plan, or arrangement or (2) participate, 
directly or indirectly, in the sale of any interest in an entity, 
plan, or arrangement. For the section 6700 penalty to apply, the 
person must also make, furnish, or cause another person to make or 
furnish (1) a gross valuation overstatement (as defined therein) as to 
any material matter or (2) a statement with respect to any tax benefit 
by reason of holding an interest in the entity or participating in the 
plan or arrangement. Further, the person to whom the penalty applies 
must know or have reason to know that the statement is false or 
fraudulent in any material matter. Prior to the enactment of the AJCA, 
the maximum penalty under section 6700 was $1,000 for each activity 
(entity or arrangement). The AJCA changed the penalty imposed on 
someone who knowingly makes a false statement (but not to making a 
gross valuation overstatement) to 50 percent of the person's gross 
income from activity involving that statement. Table 6 shows penalties 
assessed under section 6700 from fiscal years 2004 through 2009. 

Table 6: Penalty Assessments on Promoters, Fiscal Years 2004 through 
2009: 

FY: 2004; 
Number of penalty assessments: 15; 
Penalty assessment amounts: $5,904,952; 
Penalty abatement amounts: $0; 
Penalty collection amounts: $360,457. 

FY: 2005; 
Number of penalty assessments: 65; 
Penalty assessment amounts: $45,531,570; 
Penalty abatement amounts: $3,442,696; 
Penalty collection amounts: $866,745. 

FY: 2006; 
Number of penalty assessments: 78; 
Penalty assessment amounts: $33,582,766; 
Penalty abatement amounts: $221,049; 
Penalty collection amounts: $3,886,515. 

FY: 2007; 
Number of penalty assessments: 94; 
Penalty assessment amounts: $43,081,451; 
Penalty abatement amounts: $24,852,419; 
Penalty collection amounts: $501,513. 

FY: 2008; 
Number of penalty assessments: 164; 
Penalty assessment amounts: $54,703,259; 
Penalty abatement amounts: $8,130,233; 
Penalty collection amounts: $642,067. 

FY: 2009; 
Number of penalty assessments: 140; 
Penalty assessment amounts: $54,684,280; 
Penalty abatement amounts: $8,616,000; 
Penalty collection amounts: $328,289. 

FY: Total; 
Number of penalty assessments: 556; 
Penalty assessment amounts: $237,488,278; 
Penalty abatement amounts: $45,262,397; 
Penalty collection amounts: $6,585,586. 

Source: GAO analysis of IRS data. 

[End of table] 

IRC Section 6707--Penalty for Failing to Furnish Information Regarding 
Reportable Transactions: 

The AJCA provision amending section 6707 repealed the penalty for 
failure to register tax shelters and established a new penalty. The 
new penalty imposes on material advisors who fail to disclose 
reportable transactions or who file false or incomplete information a 
$50,000 penalty, unless the failure is related to a listed 
transaction; if the failure is related to a listed transaction, the 
amount is increased to the greater of $200,000 or 50 percent (75 
percent for an intentional failure or act) of the gross income from 
the transaction. Table 7 shows assessments of this penalty from fiscal 
years 2005 through 2009. 

Table 7: Penalty Assessments on Material Advisors for Failure to 
Disclose Reportable Transactions, Fiscal Years 2005 through 2009: 

FY: 2005; 
Number of penalty assessments: 1; 
Penalty assessment amounts: $3,000; 
Penalty abatement amounts: $0; 
Penalty collection amounts: $0. 

FY: 2006; 
Number of penalty assessments: 11; 
Penalty assessment amounts: $151,699,805; 
Penalty abatement amounts: $107,558,179; 
Penalty collection amounts: $8,199,802. 

FY: 2007; 
Number of penalty assessments: 3; 
Penalty assessment amounts: $13,316,575; 
Penalty abatement amounts: $3,657,008; 
Penalty collection amounts: $9,659,567. 

FY: 2008; 
Number of penalty assessments: 2; 
Penalty assessment amounts: $1,934,405; 
Penalty abatement amounts: $0; 
Penalty collection amounts: $1,296,219. 

FY: 2009; 
Number of penalty assessments: 9; 
Penalty assessment amounts: $23,751,151; 
Penalty abatement amounts: $0; 
Penalty collection amounts: $23,749,901. 

FY: Total; 
Number of penalty assessments: 26; 
Penalty assessment amounts: $190,704,936; 
Penalty abatement amounts: $111,215,187; 
Penalty collection amounts: $42,905,489. 

Source: GAO analysis of IRS data. 

[End of table] 

IRC Section 6707A--Penalty for Failure to Disclose Reportable 
Transactions: 

The AJCA provision creating 6707A established a penalty on any person 
who fails to include with any return or statement any required 
information on a reportable transaction. Generally, as amended by the 
Small Business Jobs Act of 2010, the penalty is 75 percent of the 
decrease in tax shown on the return resulting from the transaction, or 
which would have resulted if the transaction complied with federal tax 
laws. The maximum penalty amount is the same as the penalty amount 
prior to the change which is $50,000 ($10,000 for an individual), 
except for listed transactions for which the penalty is $200,000 
($100,000 for an individual). The minimum penalty amount is $10,000 
($5,000 for an individual). Table 8 shows the assessments for this 
penalty from fiscal years 2005 through 2009. However, IRS was 
adjusting these amounts in light of the 2010 amendment. 

Table 8: Penalty Assessments on Taxpayers for Failure to Disclose 
Reportable Transactions, Fiscal Years 2005 through 2009: 

FY: 2005; 
Number of penalty assessments: 0; 
Penalty assessment amounts: $0; 
Penalty abatement amounts: $0; 
Penalty collection amounts: $0. 

FY: 2006; 
Number of penalty assessments: 0; 
Penalty assessment amounts: $0; 
Penalty abatement amounts: $0; 
Penalty collection amounts: $0. 

FY: 2007; 
Number of penalty assessments: 1; 
Penalty assessment amounts: $200,000; 
Penalty abatement amounts: $0; 
Penalty collection amounts: $200,000. 

FY: 2008; 
Number of penalty assessments: 115; 
Penalty assessment amounts: $18,350,000; 
Penalty abatement amounts: $2,977,000; 
Penalty collection amounts: $5,510,250. 

FY: 2009; 
Number of penalty assessments: 314; 
Penalty assessment amounts: $47,081,100; 
Penalty abatement amounts: $2,990,000; 
Penalty collection amounts: $7,957,479. 

FY: Total; 
Number of penalty assessments: 430; 
Penalty assessment amounts: $65,631,100; 
Penalty abatement amounts: $5,967,000; 
Penalty collection amounts: $13,667,729. 

Source: GAO analysis of IRS data. 

Note: Table amounts do not reflect adjustments that IRS made after the 
Small Business Jobs Act of 2010 passed. 

[End of table] 

IRC Section 6708--Failure to Maintain Investor Lists: 

The AJCA provision amending section 6708 modified the penalty for 
failing to maintain the required lists by making it a time-sensitive 
penalty instead of a per investor penalty. Thus, a material advisor 
required to maintain an investor list who fails to make the list 
available upon written request to the Secretary within 20 business 
days after the request will be subject to a $10,000 per day penalty. 
Table 9 shows assessments for this penalty from fiscal years 2005 
through 2009. 

Table 9: Penalty Assessments on Material Advisors for Failure to 
Maintain Investor Lists, Fiscal Years 2005 through 2009: 

FY: 2005; 
Number of penalty assessments: 0; 
Penalty assessment amounts: $0; 
Penalty abatement amounts: $0; 
Penalty collection amounts: $0. 

FY: 2006; 
Number of penalty assessments: 4; 
Penalty assessment amounts: $2,600; 
Penalty abatement amounts: $0; 
Penalty collection amounts: $2,600. 

FY: 2007; 
Number of penalty assessments: 3; 
Penalty assessment amounts: $1,661,300; 
Penalty abatement amounts: $1,281,000; 
Penalty collection amounts: $11,300. 

FY: 2008; 
Number of penalty assessments: 0; 
Penalty assessment amounts: $0; 
Penalty abatement amounts: $0; 
Penalty collection amounts: $0. 

FY: 2009; 
Number of penalty assessments: 5; 
Penalty assessment amounts: $4,840,000; 
Penalty abatement amounts: $0; 
Penalty collection amounts: $11,256. 

FY: Total; 
Number of penalty assessments: 12; 
Penalty assessment amounts: $6,503,900; 
Penalty abatement amounts: $1,281,000; 
Penalty collection amounts: $25,156. 

Source: GAO analysis of IRS data. 

[End of table] 

IRC Section 7408--Enjoin Specified Conduct: 

The IRC authorizes civil actions to enjoin anyone from promoting 
abusive tax shelters or aiding or abetting tax liability 
understatements. The AJCA expanded this rule so that an injunction 
could be sought to enjoin a material advisor from engaging in specific 
conduct subject to penalty under (1) section 6707, failure to file an 
information return for a reportable transaction, or (2) section 6708, 
failure to maintain or to furnish within 20 business days of the 
Secretary's written request a list of investors for a reportable 
transaction. According to the Lead Development Center (LDC), it does 
not track injunctions specifically under section 7408. Table 10 shows 
the number of injunctions that LDC obtained regardless of IRC section 
from fiscal years 2003 through 2009.[Footnote 41] 

Table 10: Number of Injunctions, Fiscal Years 2003 through 2009: 

FY: 2003; 
Number of injunctions: 30. 

FY: 2004; 
Number of injunctions: 47. 

FY: 2005; 
Number of injunctions: 51. 

FY: 2006; 
Number of injunctions: 67. 

FY: 2007; 
Number of injunctions: 73. 

FY: 2008; 
Number of injunctions: 87. 

FY: 2009; 
Number of injunctions: 75. 

FY: Total; 
Number of injunctions: 430. 

Source: IRS. 

[End of table] 

Title 31, Section 330--Practice before the Department of the Treasury: 

Before the AJCA, the Secretary was already authorized to suspend or 
disbar from practice before the department someone's representative 
who was incompetent, was disreputable, violated rules regulating 
practice before the department, or with intent to defraud, willfully 
and knowingly misled or threatened the person being represented or who 
might be represented. The AJCA provision related to this section 
expanded the sanctions the Secretary could impose for these matters in 
two ways. First, it expressly permitted censure as a sanction. Second, 
it allowed imposing a monetary penalty as a sanction as long as the 
penalty did not exceed the gross income from the relevant conduct. The 
penalty could be in addition to or instead of any suspension, 
disbarment, or censure of the representative. According to Treasury's 
Office of Professional Responsibility (OPR), OPR was already censuring 
before the AJCA was enacted. The act clarified OPR's authority. Table 
11 shows the number of OPR censures in fiscal years 2003 through 2009. 
OPR officials said OPR had not assessed any monetary penalties. 

Table 11: Number of Censures, Fiscal Years 2003 through 2009: 

FY: 2003; 
Number of censures: 9. 

FY: 2004; 
Number of censures: 16. 

FY: 2005; 
Number of censures: 11. 

FY: 2006; 
Number of censures: 9. 

FY: 2007; 
Number of censures: 18. 

FY: 2008; 
Number of censures: 14. 

FY: 2009; 
Number of censures: 2. 

FY: Total; 
Number of censures: 79. 

Source: IRS. 

[End of table] 

Title 31, Section 5321--Penalty on Failure to Report Interest in 
Foreign Financial Accounts: 

Before the AJCA, citizens, residents, or persons doing business in the 
United States could be penalized if they willfully did not keep 
records and file reports when they made a transaction or maintained an 
account with a foreign financial entity. The AJCA added a civil 
penalty of up to $10,000 that could be imposed on anyone violating the 
reporting requirement, whether willfully or not. The AJCA also 
increased the prior-law penalty for willful behavior to the greater of 
$100,000 or 50 percent of the amount of the transaction or account. 
Table 12 shows the penalties imposed under section 5321 from 2003 
through 2009. 

Table 12: Penalty Assessments for Failure to Report Interest in 
Foreign Financial Accounts, Calendar Years 2003 through 2009: 

Calendar year: 2003; 
Willful penalties assessed: Number: 7; 
Willful penalties assessed: Amount: $52,725; 
Non-willful penalties assessed: Number: 0; 
Non-willful penalties assessed: Amount: $0. 

Calendar year: 2004; 
Willful penalties assessed: Number: 113; 
Willful penalties assessed: Amount: $2,272,180; 
Non-willful penalties assessed: Number: 9; 
Non-willful penalties assessed: Amount: $65,807. 

Calendar year: 2005; 
Willful penalties assessed: Number: 181; 
Willful penalties assessed: Amount: $6,054,054; 
Non-willful penalties assessed: Number: 56; 
Non-willful penalties assessed: Amount: $1,440,266. 

Calendar year: 2006; 
Willful penalties assessed: Number: 118; 
Willful penalties assessed: Amount: $4,127,352; 
Non-willful penalties assessed: Number: 74; 
Non-willful penalties assessed: Amount: $726,670. 

Calendar year: 2007; 
Willful penalties assessed: Number: 59; 
Willful penalties assessed: Amount: $2,496,793; 
Non-willful penalties assessed: Number: 30; 
Non-willful penalties assessed: Amount: $251,413. 

Calendar year: 2008; 
Willful penalties assessed: Number: 16; 
Willful penalties assessed: Amount: $388,119; 
Non-willful penalties assessed: Number: 35; 
Non-willful penalties assessed: Amount: $1,997,768. 

Calendar year: 2009; 
Willful penalties assessed: Number: 33; 
Willful penalties assessed: Amount: $999,187; 
Non-willful penalties assessed: Number: 56; 
Non-willful penalties assessed: Amount: $695,759. 

Calendar year: Total; 
Willful penalties assessed: Number: 527; 
Willful penalties assessed: Amount: $16,390,410; 
Non-willful penalties assessed: Number: 260; 
Non-willful penalties assessed: Amount: $5,177,683. 

Source: IRS. 

[End of table] 

[End of section] 

Appendix III: Comments from the Internal Revenue Service: 

Department Of The Treasury: 
Deputy Commissioner: 
Internal Revenue Service: 
Washington, D.C. 20224: 

April 29, 2011: 

Mr. James R. White: 
Director, Tax Issues: 
Strategic Issues Team: 
United States Government Accountability Office: 
Washington, DC 20548: 

Dear Mr. White: 

Thank you for the opportunity to review your draft report titled, 
"Abusive Tax Avoidance Transactions: IRS Needs Better Data to Inform 
Decisions about Transactions" (GAO-11-493, Job Code 450772). 

We are pleased your report acknowledges the immense challenge of 
pursuing Abusive Tax Avoidance Transactions and our continued 
vigilance to identify and address them. The IRS agrees that better 
data may lead to better decisions about focusing resource allocations 
and improve our enforcement efforts for Abusive Tax Avoidance
Transactions. 

The enclosed response addresses each of the recommendations separately. 

If you have any questions, please contact me, or a member of your 
staff may contact Monica Baker, Director, Examination, Small 
Business/Self-Employed Division at 202-283-2659. 

Sincerely, 

Signed by: 

Steven T. Miller: 
Deputy Commissioner for Services and Enforcement: 

Enclosure: 

[End of letter] 

Enclosure: 

GAO Recommendations and IRS Responses to GAO Draft Report Abusive Tax 
Avoidance Transactions: IRS Needs Better Data to Inform Decisions
about Transactions: 
GA0-11-493: 

Recommendation 1: 

To focus resources on promoter investigations most likely to stop 
abuse, establish a process to ensure that field office staff 
consistently apply the recently-created reason codes for closing 
investigations without penalties or injunctions, and document how the 
results are analyzed and used in decisions on investigations to start. 

Comment: 

We concur with this recommendation. We will update the Internal 
Revenue Manual section 4.32.2, The Abusive Tax Avoidance Transaction 
(A TAT) Process, to require the use of reason codes on surveyed and 
discontinued investigations. We will regularly review the 
documentation prepared by the field to ensure the reason codes for 
surveying or discontinuing an investigation are properly applied and 
to evaluate whether any of the reasons warrant changes in the 
selection of investigations that are sent to the field. 

Recommendation 2: 

To improve reporting on the results of examinations results on ATAT 
issues, require all divisions to supply similar, consistent results 
from existing data systems; separately track the tax amounts 
recommended, assessed, and collected between ATAT issues and non-ATAT 
issues; and establish a process to review the accuracy of examination 
data prior to its inclusion in future reports to the Joint Committee on
Taxation. 

Comment: 

We concur with this recommendation in part. Generally, the IRS uses 
our Enforcement Revenue Information System (ERIS) to consistently 
report on assessments where the ERIS database can provide the 
requested information.	We agree that the IRS should ensure that it 
uses the same databases and methodologies to prepare public 
information. We also agree that tracking tax amounts proposed, 
assessed, and collected by issue (rather than by case as is currently 
done) might provide valuable information for management, however, 
there are resource and capability constraints that must be overcome to 
capture information in this way. 

The IRS will develop criteria for the consistent use of ERIS and 
Examination Return Control System (ERCS) data and for a consistent 
methodology in validating data before it is publicly released. 

Recommendation 3: 

To ensure that Forms 8886 filed with tax returns are also filed with 
Office of Tax Shelter Analysis (OTSA), after establishing a new 
indicator for paper and electronic tax returns, establish a process to 
periodically check whether the filers met their filing obligations 
with OTSA. 

Comment: 

We concur with this recommendation and continue to work towards 
establishing a new indicator and matching process to regularly review 
whether filers meet their filing obligations with OTSA. 

Recommendation 4: 

To improve IRS's next study of whether Form 8886 should be filed 
electronically, identify how often filers already use computers to 
prepare these forms. 

Comment: 

We concur with this recommendation. We will improve the next Modified 
Electronic Filing (MeF) study. It may be beneficial to identify how 
often Form 8886, Reportable Transaction Disclosure Statement, filers 
already use computers to prepare these forms. The Large Business and 
International (LB&I) Division will include this data in our next study 
following the 2011 filing year. 

Recommendation 5: 

To ensure material advisor disclosure forms are filed, investigate why 
partnerships and S corporations often did not file a form with OTSA 
even though they reported on their tax returns that they filed the 
form with IRS or had a requirement to file. 

Comment: 

We concur with this recommendation and will test mismatches from 
partnership and S-Corp filers based on revisions to the Form 1065, 
U.S. Return of Partnership Income, in 2008 and Form 1120S, U.S. Income 
Tax Return for an S Corporation, in 2010. These form changes should 
provide more clarity for taxpayers and/or representatives and may 
result in a significant decrease in mismatches. 

Recommendation 6: 

To correct problems with its review of the completeness of disclosure 
forms, ensure that OTSA establishes a new process to review 
completeness and monitor its success. 

Comment: 

We concur that the IRS should formalize procedures for evaluating the 
completeness of disclosures and for following up with respect to 
incomplete disclosures, as appropriate, balancing resource demands and 
the potential for abuse identified in particular deficient disclosures.
SB/SE and LB&I will jointly develop and formalize procedures for 
Office of Tax Shelter Analysis (OTSA) and the Abusive Transactions 
Support Unit (ATSU) to identify, evaluate, and follow up on incomplete 
disclosures, as appropriate. Internal Revenue Manual Section 4.32.2, 
Abusive Tax Avoidance Transactions, will be updated as required. 

Recommendation 7: 

To monitor the timeliness of investor lists receipts, comprehensively 
track the elapsed days it takes for material advisors and non-material 
advisors to provide the lists to IRS. 

Comment: 

The information currently contained in individual case files reflects 
when information has been requested and received. There are resource 
and capability constraints to capturing this information on a 
systematic basis that may outweigh the benefits of this additional 
information. 

Recommendation 8: 

To induce non-material advisors to provide investor lists to IRS 
within a specified time, take steps such as: 

* requiring IRS staff to bring a summons for an investor list to the 
first interview with a suspected non-material advisor; and; 

* reevaluating the idea of lowering material advisor dollar thresholds. 

Comment: 

We partially concur with this recommendation. The IRS attempts to 
obtain the required information with the least burden to both the 
promoter and the IRS. If a records request is not successful, the 
agent and manager should consider whether the expenditure of resources 
to prepare and enforce the summons is appropriate. Internal Revenue
Manual Section 4.32.2 is being updated and includes a recommendation 
that an agent should consider whether a summons should be prepared for 
use at an initial meeting. We believe these case-specific decisions 
should remain with the agent and manager. 

We concur that we should reevaluate whether it would be useful to 
lower the material advisor dollar thresholds. As noted by GAO, 
however, even with a lower threshold, many promoters still would not 
be "material advisors." Moreover, lowering the material advisor 
threshold (or imposing penalties for non-material advisors) may not 
lead to receipt of investor lists more quickly. Those promoters who 
resist the IRS's attempts to obtain information would likely continue 
to resist by asserting that they are not promoters, that they do not 
meet the dollar criteria, or that they are otherwise not subject to 
the relevant law. 

The Director, Abusive Transactions and Technical Issues will gather 
input from SB/SE Examination field personnel to determine whether it 
would be useful to lower the material advisor thresholds and will make 
a recommendation to the Director, Examination, SB/SE and Director, Pre-
Filing and Technical Guidance, LB&I. 

[End of section] 

Appendix IV: GAO Contact and Staff Acknowledgments: 

GAO Contact: 

James R. White, (202) 512-9110, whitej@gao.gov: 

Staff Acknowledgments: 

In addition to the contact named above, Ralph Block and Thomas Short, 
Assistant Directors; Virginia A. Chanley; Laurie C. King; Lawrence M. 
Korb; Karen V. O'Conor; Ellen M. Rominger; Lou V. B. Smith; Andrew J. 
Stephens; and James J. Ungvarsky made key contributions to this report. 

[End of section] 

Footnotes: 

[1] Based on IRS officials' definition, the term promoter includes a 
person who (1) organizes an investment plan or arrangement affecting 
taxes or participates in selling it and (2) makes a statement about 
its tax benefits. Material advisors include promoters who earn or 
expect to earn at least a specified amount from any reportable 
transactions, such as $50,000 in gross income when a reportable 
transaction provides substantially all the tax benefits to 
individuals. To be a material advisor to a transaction, a party must 
provide material aid, assistance, or advice with respect to the 
organizing, managing, promoting, selling, implementing, insuring, or 
carrying out of any reportable transaction. 

[2] GAO, Internal Revenue Service: Challenges Remain in Combating 
Abusive Tax Schemes, [hyperlink, 
http://www.gao.gov/products/GAO-04-50] (Washington, D.C.: Nov. 19, 
2003). 

[3] GAO, Internal Revenue Service: Challenges Remain in Combating 
Abusive Tax Shelters, [hyperlink, 
http://www.gao.gov/products/GAO-04-104T] (Washington, D.C.: Oct. 21, 
2003). 

[4] Pub. L. No. 108-357, §§ 811-822, 118 Stat. 1418, 1575-1587 (Oct. 
22, 2004). 

[5] IRS has investigated promoters to stop ATATs, examined the tax 
returns of investors in ATATs, and initiated settlements with 
taxpayers using ATATs. 

[6] Internal Revenue Service, Forecasting Potential Abusive Tax 
Avoidance Transaction Promoters and Participants, June 2006. 

[7] On October 1, 2010, IRS created LB&I from the former Large and Mid-
Size Business (LMSB) division. For ease of presentation, this report 
uses the term LB&I to include actions taken by LB&I or LMSB. LB&I 
serves the following taxpayers: corporations, subchapter S 
corporations, and partnerships with assets greater than $10 million, 
and certain high-wealth individuals. 

[8] GAO, Tax Gap: IRS Can Improve Efforts to Address Tax Evasion by 
Networks of Businesses and Related Entities, [hyperlink, 
http://www.gao.gov/products/GAO-10-968] (Washington, D.C.: Sept. 24, 
2010). 

[9] 26 U.S.C. § 469. 

[10] 26 U.S.C. §§ 6112, 6708. For this report, references to the 
responsibilities and authority of the Secretary of the Treasury are 
treated as being delegated to IRS unless otherwise noted. 

[11] 26 U.S.C. § 6111; 26 C.F.R. § 1.6011-4. 

[12] This committee is a major ATAT mechanism designed to provide 
leadership, coordination, and policy for addressing ATATs. It meets 
about monthly, sharing information across IRS and monitoring cross- 
cutting issues. Agenda items have included material advisors; emerging 
ATAT issues; and issue management teams, which are to gather 
information and develop a strategy for specific ATATs. 

[13] Internal Revenue Service, Forecasting Potential Abusive Tax 
Avoidance Transaction Promoters and Participants (June 2006). IRS used 
many methods for its various estimates. For example, it used a 
quantitative CHAID/logistic process for tax year 2001 to determine the 
probability that taxpayers were involved in ATATs based on how closely 
they resembled known ATAT participants. For tax year 2004, it used the 
qualitative Nominal Group Technique. It also developed a model using 
IRS audit data to predict the change in the size of the promoter and 
participant population over time. Finally, it developed ideas using 
quantitative and qualitative approaches for tracking systems to assess 
the impact of enforcement on the population of potential promoters and 
participants over time. 

[14] 26 U.S.C. § 36. Under current law, the credit is available to 
eligible homebuyers in 2008, 2009, and 2010. 

[15] See [hyperlink, http://www.gao.gov/products/GAO-10-968]. We 
recommended and IRS agreed to develop a strategy that coordinated the 
various network tax evasion efforts. Without this strategy, IRS risked 
making redundant investments or failing to concentrate investments on 
the programs and tools with the greatest potential. 

[16] Table 1 excludes LB&I because it started fewer promoter 
investigations after 2006. An OTSA official said that the earlier 
investigations had dealt with major promoter firms. For example, at 
the end of 2006, LB&I had over 200 ongoing investigations. For 2007 
through 2009, LB&I approved 20 new investigations. 

[17] IRS revenue agents examine taxpayer tax returns to determine the 
correct tax liability, and revenue officers collect delinquent taxes. 

[18] Fiscal years 2006 through 2008 also had significantly more closed 
through discontinuances than surveys. 

[19] Examinations of complex tax returns can involve more than one tax 
issue--such as ATATs--and the examination data systems do not split 
out ATATs' portion of the recommended additional tax amount. 

[20] SB/SE's database originally recorded 56 percent. IRS later 
removed some non-abusive cases for 2007 that its records had 
improperly included. We conservatively assumed all of the reduction 
also reduced the amount contested by taxpayers, which reduced the 56 
percent to 54 percent. According to an IRS official, the same issue 
existed for 2006. However, because the amount of change for 2006 was 
not readily available, we assumed the amount was immaterial to the 5-
year totals, just as it was for 2007. 

[21] In March 2011, an IRS official told us about a research project 
showing 2007 and 2008 collections from taxpayers who were involved 
with ATATs. These collections resulted from examinations that could 
have been closed before 2007 and 2008 for tax returns filed in earlier 
tax years. The project did not break out how much of the collected 
amounts came from ATAT versus non-ATAT issues. 

[22] For instance, taxpayers initially chose to participate but 
eventually did not pursue settlement. 

[23] For the 17 ATAT initiatives, 13 were completed or almost 
completed as of early 2010 when IRS collected information for the 
Joint Committee. 

[24] Internal Revenue Service, Office of Tax Shelter Analysis, 
Viability of Mandatory E-File for Taxpayers Who File Form 8886 
(Washington, D.C.: July 7, 2008; Dec. 1, 2009; and Oct. 4, 2010). 

[25] IRS created Form 8918 to replace Form 8264 in 2007, during which 
IRS received many of each type of form. See appendix II for the number 
of disclosures received from 2003 through 2009. 

[26] The forms on which individual sole proprietors and C corporations 
filed their tax returns with IRS did not have questions about material 
advisors. 

[27] These reviewed Forms 8886 were characterized by OTSA as high 
risk. All high-risk forms were to be reviewed to verify the 
completeness of every item. 

[28] Promoters do not meet the material advisor criteria if the 
transactions are not reportable transactions or if they fall below the 
material advisor income thresholds. 

[29] The purposes for which IRS may issue a summons include 
determining a tax liability or a tax return's correctness. These 
purposes include inquiring into offenses connected with the 
administration or enforcement of the internal revenue laws. 26 U.S.C. 
§ 7602. 

[30] Statutes of limitations generally limit the time IRS has to make 
tax assessments to within 3 years after a return is due or filed, 
whichever is later. The statute of limitations can be extended to 6 
years when taxpayers substantially omit items, such as additional 
gross income from their returns. In cases of false or fraudulent 
returns, willful attempts to evade taxes, or no returns being filed, 
no statute of limitations exists. 26 U.S.C. § 6501. 

[31] The concerns involved potential legal challenges in extending the 
statute if IRS already possessed the information on a transaction. As 
for the extension, if a taxpayer fails to disclose a listed 
transaction, the statute of limitations on any assessment will not end 
until at least one year from the earlier of when the listed 
transaction is disclosed by the taxpayer or the material advisor 
provides a list of investors to IRS including that taxpayer. 26 U.S.C. 
§ 6501(c)(10). For more information, see appendix II. 

[32] Material advisors are required to provide investor lists to IRS 
if their gross income from promoting a non-listed reportable 
transaction exceeds $250,000 or $50,000 if substantially all tax 
benefits are provided to individuals; the thresholds for listed 
transactions are generally lowered to $25,000 and $10,000, 
respectively. 26 U.S.C. § 6111(b); 26 C.F.R. § 301.6111-3(b)(3). 

[33] See appendix II for AJCA provisions on abusive transactions and 
related statistics on the penalties. Our work did not assess whether 
the number or amount of AJCA penalty assessments was appropriate. 

[34] The other provision amended a penalty for failing to report an 
interest in foreign financial accounts. 31 U.S.C. § 5321. 

[35] The previously existing penalty provision is IRC section 6662. 

[36] Pub. L. No. 111-240, § 2041 124 Stat. 2504, 2560 (Sept. 27, 2010). 

[37] S corporations provide limited liability to their owners and pass 
through gains and losses to the owners' tax returns without generally 
paying taxes at the corporate level. 

[38] GAO, Home Mortgage Interest Deduction: Despite Challenges 
Presented by Complex Tax Rules, IRS Could Enhance Enforcement and 
Guidance, [hyperlink, http://www.gao.gov/products/GAO-09-769] 
(Washington, D.C.: July 29, 2009); GAO, Tax Compliance: Inflation Has 
Significantly Decreased the Real Value of Some Penalties, [hyperlink, 
http://www.gao.gov/products/GAO-07-1062] (Washington, D.C.: Aug. 23, 
2007); and GAO, Tax Administration: Comparison of the Reported Tax 
Liabilities of Foreign-and U.S.-Controlled Corporations, 1985-2005, 
[hyperlink, http://www.gao.gov/products/GAO-08-957] (Washington, D.C.: 
July 24, 2008). 

[39] Pub. L. No. 108-357, §§ 811-822, 118 Stat. 1418, 1575-1587 (Oct. 
22, 2004). 

[40] The understatement penalty generally is abated in cases in which 
the taxpayer can demonstrate reasonable cause for the underpayment and 
good faith action. IRS officials also said penalties can be abated for 
other reasons such as penalty assessment posting errors or changes in 
the outcome of cases that are appealed or adjudicated in tax court. 

[41] According to OTSA officials, the Large Business and International 
division rarely issues injunctions because it deals with material 
advisors who are involved with transactions that, while they may be 
abusive, are not illegal. 

[End of section] 

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