Technical Support – Businesses and Their Professional Representatives
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FAQs
We've answered some of your most common questions below.
Businesses and individuals in business
- How do I file GST/HST and QST returns online?
- Which service (accessible with a clicSÉQUR access code) can I use to file a GST/HST or QST return? (in French only)
Professional representatives
- How do I complete a business's income tax or information return? (in French only)
- How do I file a business's income tax or information return? (in French only)
- How does My Account for professional representatives work? (in French only)
Didn't find what you were looking for? We can help!
By telephone
Québec City:
418 659-2281
Montréal:
514 873-3474
Elsewhere in Canada or the United States:
1 866 423-3234 (toll-free)
Outside Canada and the United States:
1 866 423-3234 (long-distance charges may apply)
Technical support hours
Monday to Friday:
8:30 a.m. to 4:30 p.m.
See the list of holidays to find out when our client services are closed.
By secure email
If you are asking a question by secure email, make sure to give a phone number where we can reach you because we will answer by phone and not by email. When we call, you will need certain confidential documents (such as the business's last notice of assessment or consumption tax return) to confirm your identity. Also, to view or make changes in the business's file, you need to be an authorized representative or have a valid power of attorney.
Automatic telex system (ATS) for the hearing impaired
Montréal:
514 873-4455
Elsewhere in Canada or the United States:
1 800 361-3795 (toll-free)