The Government Accountability Office criticized the IRS's telephone service to taxpayers during the 2009 tax filing season, "where, for a second year in a row, unanticipated increases in call volume significantly reduced performance, in part, because of inquires related to tax law changes." The report makes seven recommendations for improvements for the 2010 tax filing season. 2009 Tax Filing Season: IRS Met Many 2009 Goals, but Telephone Access Remained Low, and Taxpayer Service and Enforcement Could Be Improved (GAO-10-225).
