Purpose of the Form
Use Form 3949-A to report alleged tax law violations by an individual, a business, or both.
CAUTION: DO NOT USE Form 3949-A:
- If you suspect your identity was stolen. Use Form 14039. Follow "Instructions for Submitting this Form" on Page 2 of Form 14039.
- To report suspected misconduct by your tax return preparer. Use Form 14157. Submit to the address on the Form 14157.
- If your paid preparer filed a return or made changes to your return without your authorization. Instead, use Form 14157 AND Form 14157-A. Submit both to the address on the Form 14157-A.
- If you received a notice from the IRS about someone claiming your exemption or dependent. Follow the instructions on the notice. Do not complete Form 3949-A.
- To report an abusive tax avoidance scheme, promotion, or a promoter of such a scheme. Use Form 14242. Mail or FAX to the address or FAX number on the Form 14242.
- To report misconduct or wrongdoing by a tax exempt organization or its officers, directors, or authorized persons. Use Form 13909. Submit by mail, FAX, or email, according to the instructions on the Form 13909.
Have information and want to claim a reward? Use Form 211, Application For Award For Original Information. Mail it to the address in the Instructions for the form.