Changes to your business and Canada Revenue Agency program accounts
What to do for common types of business changes: how to make updates online, inform the Canada Revenue Agency (CRA) of changes, and other related actions you should take.
Update your information
It is very important to keep your business information complete, accurate, and up-to-date with the CRA. Otherwise, you might not get important reminders or information. In some cases, you might not get your refunds, rebates, or other disbursements.
Your social insurance number, your security
Regardless of the business structure, operation type, or program, owners, partners, or directors should have their name and social insurance number (SIN) on file with the CRA. This is because the CRA can only give information to the specific individuals listed for the business number. The CRA can't accept changes to the information related to a business number without the consent of these individuals. The CRA also can't add representatives without the individuals' authority and consent. In fact, the SIN is necessary to access My Business Account. The CRA has made it easier to add your SIN to your business number through My Business Account.
Using both SIN and name provides greater security because it identifies specific individuals with certainty and accuracy. Plus, it prevents confusion when exchanging information with individuals with the same or similar names.
For more information, go to Access to corporate tax information and Representative authorization.
Administrative changes
Growing your business
Changes to business operations
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