Employment and Volunteer Options
Apply for a Social Insurance Number (SIN)
A Social Insurance Number (SIN) is a number that the Canadian government requires for taxation purposes and without one, you can not get paid. A SIN is required only if you earn income in Canada (eg. on-campus employment). This number enables your employer to make the necessary government deductions.
You must provide your SIN to your employer within three days of starting work.
You must for a SIN. You may apply online, by mail or in-person at a Service Canada office. For details of how to apply, review our "Social Insurance Number" instruction guide. 
Important: Your SIN will expire at the same time as your immigration document (e.g. study permit). When you renew your study permit, remember to , if eligible.
Note: A valid SIN alone does not authorize you to work on and/or off campus. You must still meet the IRCC eligibility requirements as per our Working On or Off Campus instruction guide (including a work permit if applicable) in order to legally work in Canada, even if you already have a valid SIN.