Figure 4: IRS Appropriations, Fiscal Years 2009 through 2014, and Requested Appropriations, Fiscal Y Tag: congress government tax taxes irs taxpayer watchdog finance roi gao oversight internalrevenueservice omb governmentaccountabilityoffice returnoninvestment usgao officeofmanagementandbudget taxlaw governmentwatchdog usgovernmentaccountabilityoffice uniteds