Contact us

By phone

Canada and the U.S.: 1 844 838-0808

For calls from outside Canada and the U.S.: 1 514 906-3250

Telephone service operating hours

  • Monday: 8:00 a.m. to 4:30 p.m.
  • Tuesday: 8:00 a.m. to 4:30 p.m.
  • Wednesday: 9:30 a.m. to 4:30 p.m.
  • Thursday: 8:00 a.m. to 4:30 p.m.
  • Friday: 8:00 a.m. to 4:30 p.m.

Telephone service is not available on statutory holidays.

Make sure you have the following information on hand:

For a worker’s file
  • File number
  • Date of event
For an employer’s file
  • Quebec enterprise number (NEQ) or legal entity number (ENL)

Online

You can send us your questions using the online request for information form.

Online request for information

Using our online services

Document related to a compensation and rehabilitation file

Employers and workers

You can send us your document by placing it directly in your file in Mon Espace CNESST.

Health care professionals

If you are a health care professional, you can submit a report, a form or any other document related to a compensation-rehabilitation file using our online document submission service (in French only).

Document related to a labour standards complaint or recourse

To submit a document related to a labour standards complaint or recourse, use the electronic transmission of documents service.

By fax

Document related to a compensation and rehabilitation file

You can fax us your document at 1 855 722-8081.

Document related to a pay equity complaint or recourse

You can fax your complaint form or representation mandate to 418 528-6999.

By mail

You can also send us documents by mail:

CNESST
C. P. 1200, succ. Terminus
Québec (Québec)  G1K 7E2

Follow-up of a compensation request following a work accident or occupational disease

You can consult your file in Mon Espace CNESST, to find out, among other things, whether a decision has been rendered in your file or if a new communication has been placed in your file.

You can also contact the person in charge of your file.

Appointment with the person in charge of your file

Please check your appointment notice for instructions concerning your appointment. If you have lost the address, contact the person responsible for your file.

Consult our office locations as needed.
Notifying the CNESST of a change in your situation

You can make a change to a compensation and rehabilitation file via Mon Espace CNESST. Select the option Signaler l’évolution de ma situation.

For all other types of files, contact the person responsible for your file by phone.

Reimbursement of amounts overpaid

For reimbursement of amounts overpaid (in French only), contact your bank.

You can contact the on-call inspector by calling 1 844 838-0808, option 1. You will remain anonymous.

Complaint related to your workplace

You can file a complaint related to your workplace with the CNESST for a variety of reasons. Learn about the different reasons for complaints and recourses.

Initiate a complaint process

Complaint concerning the quality of services received

It is very important for us to offer you quality services and satisfy your needs.

If you are dissatisfied with the services you received, contact the person in charge of your file.

If, despite the efforts made to serve you, you are still dissatisfied, you can file a service quality complaint.

Comments and suggestions

If you wish to submit your comments and suggestions without filing a complaint, you can use our online comments form (in French only).