Verification of an Attestation de Revenu Québec
Anyone can use the Vérification d’une attestation de Revenu Québec online service to verify the authenticity of an Attestation de Revenu Québec (certificate from Revenu Québec). To use this service, you need to have the certificate in question or know the information it contains.
Information on a certificate is available as of the day following its issue.