How to Apply

1. Apply online (recommended)

   Submit your application securely and upload digital copies of your documents.

   Start online application

2. Apply in person

   Bring your original documents to a Service Canada Centre.

   Find in-person instructions

3. Apply by mail

   Mail the completed form with required original documents (if eligible).

   Download application form (PDF)

There is no fee to apply for a SIN.

What Documents You Need

You must provide valid identity and status documents. Requirements vary by situation (Canadian citizen, permanent resident, temporary resident, parent/guardian applying, etc.).

• Primary document (e.g., birth certificate, PR card, work/study permit)
• Secondary document (e.g., government-issued photo ID)
• Proof of address (for online applications)

See full document requirements

After You Apply

• You’ll receive confirmation from Service Canada when your application is processed.
• You can view your SIN securely in My Service Canada Account once available.

View SIN in My Service Canada Account

Tip: Keep your SIN private. Don’t carry it with you or share it unless legally required (e.g., for employment or tax purposes).