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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
Investigation
AmeriCorps Office of Inspector General
AmeriCorps
Annual Assessment of the IRS’s Information Technology Program for Fiscal Year 2024
2025
2025-2S0-007
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Criminal Investigation Trends From Fiscal Year 2019 Through Fiscal Year 2023
2025
Report Number: 2025-3S0-028
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Improvements to Taxpayer Advocate Case Processing Would Result in Better Customer Service
2025
2025-100-024
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Eight Charged in Federal Crackdown on Treasury Check Fraud
Article Type
Investigative Press Release
Publish Date
Fiscal Year 2025 Review of Compliance With the Freedom of Information Act
2025
2025-100-027
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Interim Results of the 2025 Filing Season
2025
2025-400-026
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Nevada Man Who Stole Over $7M in Treasury Checks, Sentenced to Six Years in Prison
Article Type
Investigative Press Release
Publish Date
Bronx Tax Preparer Sentenced To Prison For Filing Tens Of Thousands Of False Tax Returns Causing $145 Million In Fraudulent Tax Loss
Article Type
Investigative Press Release
Publish Date
Four Individuals Charged in $63 Million Mail Theft Conspiracy, Including Two Postal Employees
Article Type
Investigative Press Release
Publish Date