Canada Revenue Agency fax number

Fax destination details

Department

Corporation Post Assessing Review

Purpose

Submit required documentation for the CRA's Corporation Post-Assessing Review of corporate income tax returns by fax to 833-652-0119 or by mail to the CRA address in St. John's, NL. The request typically references items to support corporate tax filings (e.g., asset purchases) and directs correspondence for additional information; forms or authorizations may be required as part of the process.

Form

Form AUT-01 — AUT-01: Authorize a Representative for Offline Access

Address

PO Box 12071 Stn A, St. John's NL A1B 3Z1, Canada

Voice phone

709-325-6205

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 AUT-01 to authorize a CRA representative for offline access (phone, mail, fax, or in person). Submit the completed form to the appropriate CRA tax centre along with any required documents.