How to register

You can register for a Business Number (BN) and one or more of the Canada Revenue Agency (CRA) accounts at the same time.

Internet

Business Registration Online is a service that allows you to register for a BN or a CRA account via the Internet. You can also register for some provincial programs accounts at the same time. Businesses that do not have complex registration requirements can use this service. For more information, see What you can register for.

Phone

You can register for a BN and CRA accounts by calling our Business Enquiries line at 1-800-959-5525. Before calling, be ready to answer all the questions in Part A of Form RC1, Request for a Business Number (BN), and any other questions in the form that relate to the accounts you want to open.

Mail

You can register for a BN and CRA accounts by completing Form RC1, Request for a Business Number (BN) and mailing or faxing it to your tax services office.

Completing Form RC1, Request for a Business Number (BN)

See Completing Form RC1 for details on completing the form.