All official sources
VERIFIED OFFICIAL SOURCE
Continue toOfficial websiteCanada Revenue Agency - Register as a non-resident doing business in Canada
canada.ca
CONNECTED GUIDES
1Procedures using this source
These Helpydo guides reference this official page as a verification source.
CACanada
How to Get a CRA Business Number and Find Your Existing BN in Canada
Find out whether your Canadian business already has a 9-digit CRA business number, when you need one, and how to register through Business Registration Online. Since July 14, 2026,
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Rules, fees, forms and processing routes can change. Helpydo connects procedural guidance to the responsible authority so you can verify time-sensitive details before acting.