Tax Administration: Audit Trends and Taxes Assessed on Large Corporations

GAO reviewed the results of the Internal Revenue Service's (IRS) efforts to audit the tax returns of about 45,000 large corporations, focusing on: (1) audit trends for fiscal years 1988 through 1994; (2) the portion of taxes recommended by agents that were eventually assessed; and (3) the profiles of audited large corporations compared with those of nonaudited corporations.