Dealing with CRA is now faster and more reliable—create a My Business Account today!
Of further interest:
My Business Account allows you to:
view activity in your account and interact with CRA online
request EI rulings; and much more.
To get access, you need:
to register with My Business Account (with your social insurance number (SIN), date of birth, postal code and data from your latest return processed) or
to register to Represent a Client if you are acting on behalf of the business owner (with the access code from your Notice of Assessment, your postal or zip code and an authorization to access the business account); and