Having a Social Insurance Number DOES NOT authorize you to work. Only your study or work permit can give you permission to work in Canada.
A Social Insurance Number (SIN) is a 9-digit number that you need to work in Canada, to file taxes, or to have access to government programs and benefits. You should apply for a SIN if you plan to work in Canada.
To apply for a SIN, follow the instructions applicable to your situation below.
HOW TO APPLY FOR A SIN
Applying with a study permit that does not authorize you to work off campus
Make sure you keep your SIN valid by renewing your SIN each time you extend your temporary resident status in Canada (for example, when you extend your study permit or get a post-graduation work permit).
Please ensure you have a permit that authorizes you to work BEFORE going to the Service Canada office to extend your SIN.
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