As of May 13, 2024 , the CRA no longer registers and maintains import and export RM program accounts. These services are now provided by the Canada Border Services Agency (CBSA). However, if you don't have a business number, get it from the CRA at How to register for a business number or Canada Revenue Agency program accounts before contacting the CBSA . Learn more: Import-export program account.
You need a BN if you incorporate or need a CRA program account.
You might need a BN to interact with provincial and municipal government departments, or other federal programs in Canada. For more information, go to Canada Revenue Agency registration and provincial or other federal programs.
You will get a BN if you:
A business or legal entity can only have one BN . If you already have a BN and you want to change the legal ownership or the structure of your business, you may have to register for a new BN . For more information, go to Changes to your business and Canada Revenue Agency program accounts.
There is an exception in the case of a sole proprietor in bankruptcy. For more information, go to Bankruptcy – Business structures.
Each CRA program account has its own rules and requirements about when you need to register.
Registering for a CRA program account will get you a BN if you don't already have one. If you already have a BN , the program account will be added to your BN . Your business will only ever have one BN .
The most common CRA program accounts a business may need are:
You can register online to get a BN and the most common CRA program accounts:
When you register for a BN using BRO , you will receive a new nine-digit BN . You must keep this new BN for your own records and future interactions with the CRA .
A CRA program account number has three parts:
You start a sole proprietorship. You need a GST/HST program account if you need to charge GST/HST . If you have one or more employees, you will also need a payroll deductions program account.
Once registered, your business will receive a:
GST/HST program account number:
Payroll deductions program account number:
If your business does not receive the information, you will need to check that the program accounts were registered properly. If your business needs to confirm their account number(s), you will need to contact the CRA .
Note
If the business later incorporates, you will need to register for a new BN . This will generate an RC program account for corporation income tax and you will need to add other CRA program accounts that you require (RP, RT). You will then close the sole proprietor BN accounts if you do not need them for any other businesses that you operate. For more information, go to Corporation income tax program account.