Business number registration
Key business registrations with the federal government.
Services and information
Certain business activities require registration with the CRA.
Register for a business number or CRA program accounts by mail, phone, fax, or online.
For common business changes, make updates online, inform the CRA, and other actions.
Designate someone to deal with the CRA related to business number or program accounts.
Your business number registration can be connected to other federal or provincial programs.
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