GAO-07-689R:
Published: May 11, 2007
Publicly Released: May 11, 2007
During our audit of IRS's fiscal year 2006 financial statements, we identified a number of internal control issues that adversely affected tax data, tax receipts, tax refunds, taxpayer penalties and fees, tax liens, and property and equipment. These issues concern: (1) encryption of off-site taxpayer data files, (2) placement of security cameras at tax return processing facilities, (3) manual ref