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Sales Taxes -> Provincial Sales Tax -> QST Registry

Free Online Quebec QST Registry

The QST registry on the Revenue Quebec website allows you to confirm a firm's QST number, and to obtain the name of the Quebec Sales Tax (QST) registrant.  See Revenu Quebec Validation of QST and GST Numbers

See also the article on the free online GST/HST registry provided by Canada Revenue Agency.

Tax Tips:

For businesses:  When dealing with a new vendor, check to see if their QST number is valid.  This will help ensure that you will receive your input tax credits.

For individuals:  You can check to see if a firm's QST number is valid, so you don't pay GST/HST unnecessarily.

Revised: October 26, 2023


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