Iowa Department of Revenue fax number

Fax destination details

Department

Registration Services

Purpose

Submitting the Authorized Entity Representative (AER) Contact Form to designate or update an Authorized Entity Representative who can communicate with the Department on behalf of a client; used to maintain a list of authorized employees and expedite processing.

Form

Authorized Entity Representative Contact Form — Authorized Entity Representative Contact Form

Address

Registration Services, Iowa Department of Revenue, PO Box 10470, Des Moines, IA 50306-0470

Voice phone

515-281-3114

Website

Visit organization website

Before you send

• Confirm that this exact department handles your document or request.
• Check the organization website or call its main line for the current fax number.
• Include a cover sheet and any case, member, claim, or form reference required.
• Keep the delivery confirmation with your submission records.

Fill out the form to add/update/revoke an Authorized Entity Representative contact. Submit online via GovConnectIowa or mail to Registration Services, Iowa Department of Revenue, PO Box 10470, Des Moines, IA 50306-0470, or fax to 515-281-3906.