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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
Top Management Challenges
Treasury Inspector General for Tax Administration
Internal Revenue Service
Colorado Man Sentenced to Eight Years in Prison for His Role in $300 Million Nationwide Telemarketing Fraud Scheme Targeting the Elderly
Article Type
Investigative Press Release
Publish Date
Texas Couple Sentenced to Federal Prison for COVID-Era PPP Loan Fraud
Article Type
Investigative Press Release
Publish Date
Five Former IRS Employees Sentenced in Connection with COVID-19 Fraud
Article Type
Investigative Press Release
Publish Date
The IRS Could Collect Over a Billion Dollars in Taxes From Unreported Wagering Income
2024
2024-300-064
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Millions of Taxpayers Took Early Retirement Distributions but Some Did Not Pay the Additional Tax, Claim an Exception, or Report the Income
2024
2024-100-065
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Quarterly Snapshot: The IRS’s Inflation Reduction Act Spending Through June 30, 2024
2024
2024-IE-R020
Inspection / Evaluation
Treasury Inspector General for Tax Administration
Internal Revenue Service
Management Took Actions to Address Erroneous Employee Retention Credit Claims; However, Some Questionable Claims Still Need to Be Addressed
2024
2024-400-068
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Pandemic
Improvements Are Needed to Ensure Oversight of and Increase Participation in the Free File Program
2024
2024-400-067
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Security Vulnerability Management and Configuration Compliance of a General Support System and Major Application Need Improvement
2024
2024-200-057
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service