Form NAS-2120 Social Insurance Number Application - Canada

Form NAS-2120 Instructions

When completing a Social Insurance Number Application Form, you will need to include the following information:

1. The purpose of completing this form.
2. The applicant's general information, including name, birth date, gender, parents' names, place of birth, social insurance number (if applicable), residency status in Canada, and mailing address.
3. The signature section of the person completing the application (if the applicant is unable to complete the form on their own) and relationship to the person completing the application (such as a legal guardian or parent).

In addition to completing Form NAS-2120, you will also need to bring with you or mail the following documents to provide proof of your identity. Note, each of these documents will need to be the original forms, no photocopies will be accepted:

• Canadian citizenship documentation whether by birth, immigration, refugee status, birth abroad, or certificate for Indian Status;
• Documentation as a temporary status of Canada (such as a work or study permit, identification as a diplomat, or visitor allowed to work in Canada);
• Birth certificate from the country you were born in or a letter confirming you qualify for retirement benefits or a pension;
• Marriage certificate or other change of name certificate (if applicable);
• Adoption certification or notarized adoption records if outside of Canada;
• Government-issued identification cards (if applying in person).