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GAO-13-279SP, 2013 Annual Report - US Government ...

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demonstration authority. Although the demonstration is now in its<br />

second year, HHS still has an opportunity to achieve significant cost<br />

savings—about $2 billion, based on <strong>GAO</strong>’s analysis of CMS actuaries’<br />

estimates—if it cancels the demonstration for 2014.<br />

<br />

Additional cost savings and increased revenue collections may be<br />

realized by improving the Internal Revenue Service’s (IRS)<br />

enforcement of tax laws. IRS has estimated that the net tax gap—the<br />

difference between taxes owed and taxes paid on time or recovered—<br />

was $385 billion for tax year 2006 (the most recent year for which data<br />

were available). To help reduce this gap, in fiscal year 2012, Congress<br />

appropriated $7.5 billion to IRS for its enforcement and taxpayer<br />

service activities. Notwithstanding IRS’s enforcement and service<br />

programs, the net tax gap remains large. To help close this gap, we<br />

have identified several areas where IRS can improve its programs,<br />

reduce its costs, and facilitate voluntary compliance with existing tax<br />

laws. For example, we suggested that IRS should complete a broad<br />

strategy, including a timeline and performance measures, for how it<br />

intends to use information collected to improve tax compliance. These<br />

and other actions we have identified could help the federal government<br />

increase revenue collections by billions of dollars.<br />

As we have previously reported, the net tax gap has been a persistent<br />

problem and reducing it will require applying multiple strategies over a<br />

sustained period of time. 4 One such strategy is additional information<br />

reporting. Taxpayers are much more likely to report their income<br />

accurately when the income is also reported to IRS by a third party.<br />

By matching information received from third-party payers with what<br />

payees report on their tax returns, IRS can detect income<br />

underreporting, including the failure to file a tax return. Additionally,<br />

taxpayers who rent out real estate are required to report to IRS<br />

expense payments for certain services, such as payments for property<br />

repairs, only if their rental activity is considered a trade or business.<br />

Expanding third-party information reporting on rental real estate<br />

service payments and service payments to corporations could<br />

increase revenues by an estimated $5.9 billion over 10 years,<br />

according to the Joint Committee on Taxation.<br />

4 <strong>GAO</strong>, Tax Gap: IRS Could Significantly Increase Revenues by Better Targeting<br />

Enforcement Resources, <strong>GAO</strong>-<strong>13</strong>-151 (Washington, D.C.: Dec. 5, 2012).<br />

Page 6<br />

<strong>GAO</strong>-<strong>13</strong>-<strong>279SP</strong> 20<strong>13</strong> <strong>Annual</strong> <strong>Report</strong>

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