Social Insurance Number in MSCA

You can view your Social Insurance Number (SIN) in My Service Canada Account (MSCA). Once registered or signed in to MSCA, you will be able to view your:

• SIN
• names as they appear on the SIN record
• SIN expiry date (if applicable)

How to view your SIN in MSCA

Please read the instructions below. To view your SIN in MSCA, select the “Register or Sign in to MSCA” button. You will be redirected to the MSCA home page.

Once signed in or registered, select the “Social Insurance Number” button from the MSCA welcome page to view your SIN.

Register or Sign in to MSCA

If you already have a SIN

To register for MSCA, you will need to:

• provide your SIN
• verify your identity with one of the following:
  • the Interac® verification service, or
  • your personal access code (PAC)

If you have forgotten your SIN

To register for MSCA, you will need to:

• provide one of the following:
  • Birth Registration Number found on your birth certificate, or
  • Unique Client Identifier (UCI), also known as client identification number (client ID) issued by Immigration, Refugees and Citizenship Canada
• verify your identity with the Interac® verification service

If you have recently applied for a SIN online

Your SIN will be available in MSCA once your online SIN application has been processed (normally within 10 business days of your online application). Before registering for MSCA, make sure you have received an email confirming your application has been processed.

To register for MSCA, you will need one of the following:

• Birth Registration Number found on your Canadian birth certificate, or
• Unique Client Identifier (UCI), also known as client identification (client ID) number issued by Immigration, Refugees and Citizenship Canada

You will then need to verify your identity. You can use one of the following:

• your SIN Application Number (provided in the SIN application confirmation email), or
• the Interac® verification service

What a SIN Application Number is

• It is a 12-character number that you receive after submitting your online SIN application
• You must be at least 12 years old and have applied for a SIN online yourself to receive a SIN Application Number
• You can use it to verify your identity when registering for MSCA, in order to view your SIN
• It is only valid for MSCA registration once your online SIN application has been processed. You will receive a confirmation email informing you about the status of your application
• It will expire 21 days after your SIN application has been processed