GST registration number formatWhen entering your GST and/or Federal account number within the program for a business income or employment expenses, please ensure that you have entered the following numbers according to the proper format:
1- The GST registration number.
2- The federal account number.The format for both numbers is 123456789RT1234 (15 characters, no spaces).
For more information, please refer to the CRA website:
ID: 20211019152222DE.xml
Webpage: KPA310-20211019152222DE.htm