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. To work, file taxes, and access government programs and ...

The Social Insurance Number (SIN) is a unique, nine-digit number that identifies a person. Here are some facts about the card. Some facts are better known than others. The card is used as a person’s ...

The Social Insurance Number, or SIN, is a government-issued private identifier that’s connected to your personal, income tax, and benefits information. Many or all of the products on this page are ...