SOCIAL INSURANCE NUMBER APPLICATION - Service Canada ... 2026

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The document is an information guide from the Government of Canada detailing the application process for a Social Insurance Number (SIN). It outlines how to apply in-person at Service Canada locations or by mail under specific circumstances. The guide emphasizes the need for original proof-of-identity documents, provides a list of acceptable documents for Canadian citizens, permanent residents, and temporary residents, and includes instructions for representatives applying on behalf of others. It also highlights that there is no fee to apply for a SIN.

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Click ‘Get Form’ to open the SOCIAL INSURANCE NUMBER APPLICATION in the editor.
Begin by gathering your original proof-of-identity documents as outlined in Step 1 of the application guide. Ensure you have all necessary documents ready for upload.
Complete the application form by filling out items 1 to 13. Make sure to provide accurate information, including your name, date of birth, and current mailing address. Remember that gender information is optional.
If applicable, include any supporting documents if your name has changed from what is listed on your primary proof-of-identity document. This may include marriage certificates or legal change of name documents.
Once completed, review the application for accuracy and sign it using blue or black ink. If you are a parent or guardian signing for a minor, ensure you check the appropriate box indicating your relationship.
Mail the signed application along with all original documents to the specified address provided in the guide. Use a secure postal service to protect your personal information.

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