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Hotline

Please choose the option that best describes the nature of your waste, fraud, or abuse issue.

Please visit the hotline form to enter your complaint.

TIGTA OI conducts a comprehensive investigative program. OI's investigative program focuses on three primary areas of concern:  employee integrity; employee and infrastructure security; and external attempts to corrupt tax administration. To learn more about TIGTA's investigative mission, please click here.

Examples of specific allegations that should be reported include, but are not limited to:

  • Attempts by taxpayers to bribe IRS personnel.
  • Extortion or misuse of position by IRS personnel.
  • Assaults and/or threats by taxpayers against IRS employees.
  • Schemes involving the use of computer technology or mail that impersonate the IRS or IRS personnel.
  • Misconduct by tax practitioners (falsification of qualifications, theft of IRS tax remittances, and theft of IRS tax refunds). TIGTA does not investigate tax practitioners who prepare fraudulent tax returns. 

File a report if you believe you have information that falls within TIGTA’s investigative jurisdiction.

By phone:
1-800-366-4484

By mail:
Treasury Inspector General for Tax Administration
Hotline Team
Ben Franklin Station
P.O. Box 589
Washington, D.C. 20044-0589