IRS' 2000 Tax Filing Season: IRS Measures Show Tax Processing Systems Performed Slightly Better Than in 1999

Pursuant to a congressional request, GAO reviewed the performance of the information systems that the Internal Revenue Service (IRS) uses to process tax returns for individual taxpayers, focusing on: (1) IRS' tax processing systems performance in the 2000 filing season as reported by IRS compared to the 1999 filing season; and (2) whether IRS had taken actions to address problems affecting individual taxpayers.