Fax Form 8655 (reporting agent authorization) to the IRS
Fax Form 8655 to the IRS at 855-214-7523. Send no more than 25 forms in one transmission.
| Who | Fax number |
|---|---|
| Reporting agent authorizations (Form 8655) | 855-214-7523 |
Checked against Form 8655 (Rev. January 2024), IRS.gov on October 12, 2026.