How to register

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

Once you have registered, we will send you a letter confirming your Business Number (BN), the accounts registered, and a summary of the information you provided.

Internet

Business Registration On-line 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.

Telephone

You can register for a BN and CRA account(s) 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 on the form that relate to the accounts you want to open.

Mail or Fax

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