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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
2025
2025-IE-R015
Inspection / Evaluation
Treasury Inspector General for Tax Administration
Internal Revenue Service
St. Louis Woman Accused of $177,000 Pandemic-Era Tax Credit Scheme
Article Type
Investigative Press Release
Publish Date
Hot Springs Man Sentenced to More Than 4 Years in Prison for Money Laundering and Wire Fraud
Article Type
Investigative Press Release
Publish Date
Fiscal Year 2025 Review of Assessment Statute Extension Dates
2025
2025-1S0-018
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Systems Hosting Sensitive Data Lack Consistent Inventory Standards
2025
2025-200-009
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Inflation Reduction Act: Results of the Direct File Pilot
2025
2025-408-015
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Improvements Are Required to Promptly Validate and Issue Manual Refunds Associated With Deceased Taxpayers
2025
2025-IE-R012
Inspection / Evaluation
Treasury Inspector General for Tax Administration
Internal Revenue Service
Inflation Reduction Act: Contract Performance Oversight and Compliance With Expenditure Restrictions Need Improvement
2025
2025-208-008
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Quarterly Snapshot: The IRS’s Inflation Reduction Act Spending Through September 30, 2024
2025
2025-IE-R014
Inspection / Evaluation
Treasury Inspector General for Tax Administration
Internal Revenue Service