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Abbreviation
TIGTA
Agencies
Internal Revenue Service
Federal Agency
Yes
Location
United States
What to Report to the OIG Hotline
Reports of waste, fraud, abuse, misconduct, or whistleblower reprisal relating to the programs and operations of the Internal Revenue Service (IRS) may be made to the Treasury Inspector General for Tax Administration’s (TIGTA) Hotline. TIGTA has jurisdiction over protected disclosures and allegations of whistleblower retaliation involving IRS employees, contractors, and subcontractors.
What Not to Report to the OIG Hotline
Tax-related matters including alleged tax fraud or underreporting of taxes, unless an IRS employee is involved in the alleged wrongdoing.
Hotline Page
Whistleblower Protection Page
2025
2025-300-006
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Internal Revenue Service Oversight of Tax-Exempt Organization Private Aircraft Usage
2025
2025-1S0-012
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Improvements Are Needed to Ensure That Taxpayers Are Receiving a Quality Experience When Visiting a Taxpayer Assistance Center
2025
2025-IE-R010
Inspection / Evaluation
Treasury Inspector General for Tax Administration
Internal Revenue Service
Inflation Reduction Act: Progress Is Being Made to Improve Content of and Expand Digital Delivery and Response Options for Taxpayer Notices
2025
2025-408-010
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Las Vegas Woman Pleads Guilty To Fraudulently Seeking Nearly $100M In COVID-19 Employment Tax Credits
Article Type
Investigative Press Release
Publish Date
Two East Bay Residents, One Of Whom Was A Bank Teller, Indicted On Charges Of Cashing Stolen U.S. Treasury Checks
Article Type
Investigative Press Release
Publish Date
IRS, Postal Employees Indicted for Stealing U.S. Treasury Check
Article Type
Investigative Press Release
Publish Date
Limited Testing Showed Taxpayers May Not Receive the Service They Expect When Calling the IRS Toll-Free Telephone Lines
2025
2025-IE-R007
Inspection / Evaluation
Treasury Inspector General for Tax Administration
Internal Revenue Service
Man Sentenced for Sweepstakes Scam Targeting Elderly
Article Type
Investigative Press Release
Publish Date
A Computer Programming Change Is Needed to Delay the Erroneous Issuance of Refunds Based on Dishonored Checks
2025
2025-IE-R008
Inspection / Evaluation
Treasury Inspector General for Tax Administration
Internal Revenue Service