The CARM Client Portal homepage is reminding users of the following CRA resource:
Non-resident business
Register for a Business Number with the Canada Revenue Agency by:
- calling the non-resident registration and security line:
Within Canada or the United States (U.S.): 1-866-453-0452
Outside Canada or the U.S., call collect: 1-613-221-3039
Hours of service: Monday to Friday 8:30 am to 4:30 pm ET