Figure 1: IRS Appropriations, Fiscal Years 2009 through 2014 and Fiscal Year 2015 Request Tag: congress government tax taxes irs taxpayer watchdog finance roi gao oversight internalrevenueservice omb governmentaccountabilityoffice returnoninvestment usgao officeofmanagementandbudget taxlaw governmentwatchdog usgovernmentaccountabilityoffice uniteds