Your SIN is one of the most important Canadian admin numbers. You need it to work, get paid, file taxes, and access many government programs. Use this with First 30 Days in Canada and Taxes & Government.
What the SIN is for
SIN means Social Insurance Number. Employers need it for payroll. CRA uses it for taxes and benefits. Financial institutions may need it for tax-reporting products.
Do not share your SIN casually. It is sensitive. Landlords, random forms, and informal requests do not always need it.
- Payroll
- Taxes
- Benefits
- Employment
- Sensitive ID
After you receive it
Give your SIN to your employer through the proper payroll process, store it securely, and update Service Canada if your temporary status changes and your SIN record needs updating.
Then continue with Open a Bank Account, Set Up CRA Access, and Start Building Credit.
- Store securely
- Employer payroll
- CRA
- Status updates
- Expiry tracking
Checklist
Things to do next
Before applying
- Check eligibility
- Prepare status document
- Prepare ID
- Choose online or in-person route
After SIN
- Store securely
- Update employer
- Track expiry if temporary
- Set tax folder
Beginner definitions
SIN
Social Insurance Number, used for work, taxes, and government programs.
Temporary SIN
A SIN for temporary residents often starts with 9 and may expire with immigration documents.
You may need next
FAQ
When should I handle get your sin?+
Handle it as soon as it becomes relevant to your status, arrival date, housing plan, school plan, job search, or first-week admin. The page explains the practical order.
Which pages should I keep open?+
Start with the New to Canada hub, Essential Checklist, First 30 Days in Canada, banking, credit, mobile and internet, housing, taxes, and the relevant calculator or template linked on this page.
Is this immigration, tax, or legal advice?+
No. This is educational information and practical organization. Verify important decisions with official sources, providers, or qualified professionals.
Important disclaimer
This guide provides practical information, not legal, immigration, tax, healthcare, or financial advice. Rules, offers, eligibility, fees, and provider conditions can change. Always verify important decisions with official sources or the provider before applying, contributing, signing, or relying on a deadline.