Fax Form 14157 to report a tax return preparer

Form 14157 lets you file a complaint with the IRS about a tax return preparer or preparation business — for improper practices, unauthorized changes, or refusing to give you a copy of your return. You can fax the completed form and supporting documents to the IRS at 855-889-7957, or mail them to the Return Preparer Office in Atlanta, GA.

Upload your completed Form 14157 and any attachments and we fax them to the IRS, then email you the transmission report as dated proof you sent it.

Fax Form 14157 (preparer complaint) now — $2.49

Where this form faxes

ScenarioIRS fax number
Complaint about a preparer (nationwide)855-889-7957

IRS fax numbers change without notice. We re-verify our routing table against the current IRS form instructions, and the exact number your document was sent to is printed on your transmission report.

Numbers last verified against IRS sources: 2026-07-19 · Official IRS source

Deadline

No deadline, but file while the details and documentation are fresh. If you also lost money, the IRS may have you add Form 14157-A.

Frequently asked questions

Yes. The form's instructions say the completed Form 14157 and supporting information can be filed by fax to 855-889-7957 or mailed to the Return Preparer Office, 401 W. Peachtree Street NW, Mail Stop 421-D, Atlanta, GA 30308.

It's a complaint about a tax return preparer or preparation business — for example improper conduct, changing your return without consent, or not giving you a copy. Include supporting documents with your submission.

If a preparer filed or altered a return without your consent and it affected your taxes, the IRS generally wants Form 14157-A (Tax Return Preparer Fraud or Misconduct Affidavit) filed along with Form 14157.

No. The instructions say not to send original returns or payments with Form 14157 — only the complaint and supporting information.

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