VERIFIED OFFICIAL SOURCE

Canada Revenue Agency - Request GST/HST registration backdated by more than 30 days

canada.ca

Used by1 published procedure

Last checked2026-08-23

Source domaincanada.ca

Official source URLhttps://www.canada.ca/en/revenue-agency/services/tax/businesses/topics/gst-hst-businesses/gst-hst-account/register-account/backdate-registration.html

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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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