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To work, file taxes, and access government programs and benefits in Canada, youÌýrequireÌýaÌý. To get paid by an employer and to open a Canadian bank account, youÌýrequireÌýa SIN. To be eligible for a SIN, yourÌýstudyÌýpermit must provide you with authorization to work on and/or off campus.
Applying for a SIN
You can apply for a SIN online, in person, or by mail. There is no fee to apply for a SIN. To apply, you will require the following documents:
Primary identity document (one of the following):Ìý
ValidÌýstudyÌýpermit that authorizes you to work in Canada (e.g. “may accept employmentâ€� or “may workâ€�)
VisitorÌýrecord that authorizes you to work in CanadaÌý
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Secondary identity document (one of the following):Ìý
Passport
Canadian provincial or territorial ID card or driver’s licenceÌý
Any other Canadian government-issued ID
How to apply online
To access the online SIN application, visit the  on the Government of Canada website. Scroll to the bottom of the page and follow the instructions under “Apply for a SIN.�
Note: References on the Government of Canada website to theÌý are specific to Indigenous people in Canada. Most international students who are applying for a SIN for the first time will be doing so as a “Temporary Resident.â€�Ìý
How to apply in person
If yourÌýstudyÌýpermit includes authorization for you to work:
- Go to the nearestÌýService Canada office in  o°ù .
- At the office, complete the application for a Social Insurance Number (SIN) and wait in line.
- A Service Canada representative will verify your documents, and you will receive a letter with a SIN.
Ìý
IfÌýyourÌýstudyÌýpermitÌýdoesn’tÌýinclude authorization for you to work:  
- First, apply to amend your study permitÌýso youÌýare authorized toÌýwork.Ìý
- After you receive your amended study permit, go to the nearest Service Canada office in  o°ù .
- At the office, complete the application for a Social Insurance Number (SIN) and wait in line.
- A Service Canada representative will verify your documents, and you will receive a letter with a SIN.
Keeping your SIN valid
Make sure you keep your SIN valid by renewing it every time you extend your temporary resident status in Canada (for example, when you extend your study permit or get a post-graduationÌýworkÌýpermit).
Please ensure you have a permit that authorizes you to work beforeÌýgoing to the Service Canada office to extend your SIN.