Tax Fraud Reporting | Internal Revenue Service
111 Constitution Avenue, Washington, DC 20002
Not Applicable.
Eligibility
There are no restrictions for this service.
Required documents
The Internal Revenue Service does not accept alleged tax law violation referrals over the phone. Call the Tax Fraud Hotline or visit the website for more information.
Hours
24 hours a day, 7 days a week.
(800) 829-0433
Voice·
voice | Tax Fraud Hotline
Websitehttp://www.irs.gov
Languages
Spanish by phone. Website can be translated into languages including Spanish, Vietnamese, Russian, Korean, Haitian Creole, Traditional Chinese, and Simplified Chinese.
Application process
Call the Tax Fraud Hotline or visit the website for more information.
Fees
No fee.
Service area
United States
Accepts reports from the public of alleged tax law violations, such as individuals or businesses that have failed to file income, sales, or property tax forms, or have intentionally submitted inaccurate or incomplete information.
Last assured
01/20/2026
What's Here
Providing organization
Internal Revenue Service
Collects federal income taxes and is responsible for voluntary compliance with tax laws and regulations. Provides tax information and assistance.