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Website
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
Article Type
Investigative Press Release
Publish Date
TIGTA Identifies Fraud Scheme, Alerts IRS to Prevent $3.5 Billion in Potentially Improper Pandemic Tax Credits
Article Type
Investigative Press Release
Publish Date
U.S. Attorney’s Office Recognizes Law Enforcement With its 2024Law Enforcement Excellence Awards
Article Type
Investigative Press Release
Publish Date
Hudson Man Sentenced to Federal Prison for 21 Months for Stealing COVID Relief Funds and Agreed to Pay Almost $500,000 For Violating the False Claims Act
Article Type
Investigative Press Release
Publish Date
The Tax Offset Program Continues to Allow Millions of Dollars to Be Erroneously Refunded to Taxpayers
2025
2025-400-002
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Administration of the Workers’ Compensation Program Claims Needs Improvement
2025
2025-100-001
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Final Evaluation – Assessment of the IRS’s Comprehensive Facilities Security Review and Employee Safety and Security Measures
2025
2025-IE-R004
Inspection / Evaluation
Treasury Inspector General for Tax Administration
Internal Revenue Service
Semiannual Report to Congress
2024
Semiannual Report
Treasury Inspector General for Tax Administration
Internal Revenue Service
Assessment of Efforts to Provide Tax Relief to Eligible Taxpayers Impacted by the Ongoing Conflict in the State of Israel, Gaza, and the West Bank
2025
2025-IE-R002
Inspection / Evaluation
Treasury Inspector General for Tax Administration
Internal Revenue Service
Assessment of Tax Refund-Related Products
2025
2025-4S0-003
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service