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Canada Revenue Agency (CRA) fax number
(705) 671-0490
Sudbury Tax Services Office (Corporate Client Services; SR&ED)
Used for: Used for CRA corporate registrations and non-resident corporate inquiries; RC1 form submissions for BN/program accounts (GST/HST, payroll, corporate income tax) and SR&ED communications; fax to 1-705-671-0490.
Fax destination details
- Department
- Sudbury Tax Services Office (Corporate Client Services; SR&ED)
- Purpose
- Used for CRA corporate registrations and non-resident corporate inquiries; RC1 form submissions for BN/program accounts (GST/HST, payroll, corporate income tax) and SR&ED communications; fax to 1-705-671-0490.
- Form
- RC1 — RC1: Request for a Business Number and Certain Program Accounts
- Address
- Sudbury Tax Services Office, 1050 Notre Dame Avenue, Sudbury, ON P3A 5C1, Canada
- Voice phone
- 1-800-959-5525
- 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.
Download the RC1 fillable PDF and complete Part A (and the applicable program account parts) and sign Part G; then submit by fax to CRA at 1-705-671-0490 or by other CRA submission methods.
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