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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 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: March 25, 2021


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