Help Topic: Preparer EFIN Application - Form 8633

Topic: Preparer EFIN Application - Form 8633

Preparers must complete Form 8633 'Application to Participate in the IRS e-file Program' to obtain an Electronic Filing Identification Number (EFIN) in order to e-file. Should you need assistance with completing the form, please call the following IRS Help Desk Number that is geared specifically toward the 8633 Form:
1-866-255-0654 (toll free).

Calls are taken at this number Monday through Friday from 7 AM to 3 PM (EST).