Technical Support

By telephone
Québec City:
Elsewhere in Canada and the United States:
1 866 423-3234 (toll-free)

Hours of availability for telephone service

See the list of holidays to find out when our client services are closed.

Online services
Monday to Friday:
8 a.m. to 6 p.m.
Filing the income tax return using NetFile Québec
Monday to Friday:
8 a.m. to 6 p.m.
Registration and authorization of tax preparers and professional representatives
Monday to Friday:
8 a.m. to 6 p.m.
By secure email
Automatic telex system (ATS) for the hearing impaired

Automatic telex system (ATS)

514 873-4455
Elsewhere in Canada or the United States:
1 800 361-3795 (toll-free)

One mission. Concrete actions.

Read all about how we work to support and inform you. Our vision and values guide us as we carry out our role.

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