Validating the QST and GST numbers is the responsibility of the garage.

Did you know that the following online services allow you to ensure that a company that invoices you for the QST and the GST is registered in the QST and GST / HST files?



Here's how:


If it was not registered, your requests for input tax credit and input tax refund could be refused.
https://www.canada.ca/fr/agence-revenu/services/services-electroniques/services-electroniques-entreprises/confirmation-numero-compte-tps-tvh/modalites-utilisation.html