All official sources
VERIFIED OFFICIAL SOURCE
Continue toOfficial websiteCanada Revenue Agency - Register for a GST/HST account
canada.ca
CONNECTED GUIDES
2Procedures 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,
CACanada
How to register for a GST/HST account with the CRA
Learn when a Canadian business must register for GST/HST, the $30,000 small supplier threshold, voluntary registration rules, effective dates, Business Number requirements and how
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