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How to verify QST in Canada?

QST verification on Revenu Québec website​

You can check the validity of QST on the canada Revenu Québec (revenuquebec.ca) website for free. You can access the QST lookup service here. Using this tool you can search for a company by the QST number.

QST lookup
QST lookup - Canada
  • Example QST : 1227494057TQ0001

A successful verification of the QST on the QST registry lookup tool will return the following details

  • Registration number
  • Status
  • Effective date of status
  • Date viewed
  • Name of the entity
  • Business name
Successful QST Verification on Revenu Québec website
Successful QST Verification

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