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A listing of federal agencies, House and Senate committees, advisory boards and advocacy panels that perform IRS oversight functions.

Listing of application privacy impact assessments (PIAs). Approved PIAs provided in HTML and downloaded PDF format.

Find articles and publications on research about taxpayer behavior in complying with the tax laws. This includes information on compliance measurement (i.e., the tax gap) and the determinants of taxpayer compliance.

April 21, 2025 — Pilar Rose formerly of Fresno, was sentenced today to two years in prison for tax evasion and obstructing an IRS audit, Acting U.S. Attorney Michele Beckwith announced.

The gross tax gap is the difference between true tax liability for a given tax year and the amount that is paid on time. It is comprised of the nonfiling gap, the underreporting gap, and the underpayment (or remittance) gap. The net tax gap is the portion of the gross tax gap that will never be recovered through enforcement or other late payments.

Nov. 7, 2023 — Commissioner Danny Werfel speaks during Secretary Yellen’s visit to IRS headquarters.

John Hinman, Director of the IRS Whistleblower Office, discusses how whistleblower information contributes to identifying noncompliance and reducing the tax gap.

Information about where we host data, system security, and data encryption for users who are submitting forms and communicating online with the IRS.

IRS statements and announcements from 2006 through pressent.

Tax Tip 2024-76, Sept. 11, 2024 — Taxpayers have the right to finality when working with the IRS. For example, taxpayers have the right to know when the IRS has finished an audit. This is one of 10 basic rights, known collectively as the Taxpayer Bill of Rights.