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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
Additional Actions Are Needed to Address Non-Filing and Non-Reporting Compliance Under the Foreign Account Tax Compliance Act
2022
2022-30-019
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Canadian Man Arrested and Charged with Conspiracy, Wire Fraud
Article Type
Investigative Press Release
Publish Date
The Individual Tax Processing Engine Project’s Estimation Methodology Aligns with Best Practices and the Project Addressed the Independent Verification and Validation Recommendations
2022
2022-25-029
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Review of the Office of Appeals Collection Due Process Program
2018
2018-10-054
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Review of the Internal Revenue Service’s Purchase Card Violations Report and the Status of Government Charge Card Recommendations
2017
2017-10-015
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Review of the Internal Revenue Service’s Purchase Card Violations Report
2015
2015-10-070
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Affordable Care Act: Accuracy of Responses to Exchange Requests for Income and Family Size Verification Information and Maximum Advance Premium Tax Credit Calculation
2014
2014-43-044
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
The Affordable Care Act: An Improved Strategy Is Needed to Ensure Accurate Reporting and Payment of the Medical Device Excise Tax
2014
2014-43-043
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service
Affordable Care Act: Tax Provision Customer Service Strategy is Multi-Faceted; However, Changes in Implementation Will Create Challenges
2014
2014-43-006
Audit
Treasury Inspector General for Tax Administration
Internal Revenue Service