Tax Fraud Reporting Line | United States Internal Revenue Service
1111 Constitution Avenue Northwest, Washington, DC 20224
Yes..
Eligibility
Anyone.
Required documents
Vary.
Hours
Mon-Fri 8 am-5 pm.
(800) 829-0433
Voice
Languages
Translators available upon request.
Application process
Telephone for information, but referrals are not accepted over the phone. Website. Mail. Reports of suspected tax fraud or abuse must be submitted in writing.
Fees
None.
Service area
Ohio
Takes reports and investigates suspected cases of violations of tax laws committed by individuals or business and including abusive tax promotions and promoters and abusive CPAs, attorneys or enrolled agents.
Last assured
10/24/2025
What's Here
Providing organization
United States Internal Revenue Service
Federal agency that oversees federal tax policies. IRS is responsible for the collection of all tax revenue. Bureau of the Department of the Treasury.