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Report suspected fraud or abuse

If you suspect or know of an individual or company that is not complying with the tax laws, you may report this fraudulent activity.

Report fraud, waste and abuse

Contact the IRS

IRS Return Preparer Office

PTIN questions, Scheduling for the IRS Special Enrollment Examination, IRS Continuing Education Provider questions, Office of Enrollment questions

Office of Professional Responsibility

Circular 230, Information for Tax Professionals, FAQs on Circular 230, Webinars and Speaker Requests, Disciplined Practitioners

Centralized Authorization File (CAF)

CAF Unit Addresses, Fax Numbers, and State Mapping

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