Form NAS-2120 "Social Insurance Number Application" - Canada

What Is Form NAS-2120?

Form NAS-2120, Social Insurance Number Application, is the document a person will need to complete who is seeking to obtain a social insurance number (SIN) in Canada.

Alternate Name:

  • Social Insurance Number Application Form.

A Social Insurance Number Application can be used when you are applying for your SIN for the first time, confirming your SIN, or need to modify your records connected to your SIN. Applicants who live further than 100 km from a Service Canada office or have mitigating circumstances (such as caring for a family member or personal health condition) that prevent them from being able to access an office can complete the application process by mail. This form is issued by Service Canada and was last updated February 1, 2020. A fillable Social Insurance Number Application is available for download below.

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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 this form, 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).
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Download Form NAS-2120 "Social Insurance Number Application" - Canada

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Government
Gouvernement
of Canada
du Canada
APPLICATION FOR A SOCIAL INSURANCE NUMBER
INFORMATION GUIDE FOR APPLICANTS
IMPORTANT NOTICE: This application form is not required if you apply in-person at a Service Canada point
of service
DID YOU KNOW?
* There is no fee to apply for a Social Insurance Number (SIN).
* Original proof-of identity documents are required to apply for a SIN, photocopies are not accepted.
How to apply
In-Person
If you reside in Canada, you should apply in-person at a Service Canada point of service.
Service Canada has made it easy and secure for you to apply for a Social Insurance Number (SIN) or to amend
your SIN record. When applying in-person, you do not have to complete an application form nor do you have
to mail your original proof-of-identity documents. Simply gather the documents you need and take them to the
nearest Service Canada point of service.
Refer to the list of documents in Step 1 to determine the original proof-of-identity documents you are required
to bring. If everything is in order, you will obtain your SIN at the time of your visit. To find the nearest
Service Canada point of service, visit our Web site at
Canada.ca/social-insurance-number
or call
1-800-O-CANADA (1-800-622-6232).
If this is not possible for you, there are alternate options which include having another individual submit your
application for you in-person.
By Mail
All applicants residing in Canada should apply in-person; however, special measures are in place to
accommodate individuals who cannot apply in-person at a Service Canada point of service. Only individuals in
these circumstances are permitted to apply by mail:
If you live 100 km or more from the nearest Service Canada point of service, in an inaccessible area, or where
outreach is very infrequent, you may apply by mail. If you are unsure if you are eligible, visit our Web site at
Canada.ca/social-insurance-number
to confirm your eligibility to apply by mail using your
postal code
or
contact Service Canada at 1-866-274-6627.
If you are unable to apply in-person at a Service Canada point of service due to other extenuating limitations
and cannot have another individual submit an application in-person on your behalf, you must contact
Service Canada at 1-866-274-6627 to confirm if you are eligible to apply by mail.
If you currently reside outside Canada, you are eligible to apply by mail. Follow Steps 1 to 3 to submit your
application form and provide original proof-of-identity documents to the Social Insurance Registration office.
NAS-2120-(02-20) E
Page 1 of 8
Government
Gouvernement
of Canada
du Canada
APPLICATION FOR A SOCIAL INSURANCE NUMBER
INFORMATION GUIDE FOR APPLICANTS
IMPORTANT NOTICE: This application form is not required if you apply in-person at a Service Canada point
of service
DID YOU KNOW?
* There is no fee to apply for a Social Insurance Number (SIN).
* Original proof-of identity documents are required to apply for a SIN, photocopies are not accepted.
How to apply
In-Person
If you reside in Canada, you should apply in-person at a Service Canada point of service.
Service Canada has made it easy and secure for you to apply for a Social Insurance Number (SIN) or to amend
your SIN record. When applying in-person, you do not have to complete an application form nor do you have
to mail your original proof-of-identity documents. Simply gather the documents you need and take them to the
nearest Service Canada point of service.
Refer to the list of documents in Step 1 to determine the original proof-of-identity documents you are required
to bring. If everything is in order, you will obtain your SIN at the time of your visit. To find the nearest
Service Canada point of service, visit our Web site at
Canada.ca/social-insurance-number
or call
1-800-O-CANADA (1-800-622-6232).
If this is not possible for you, there are alternate options which include having another individual submit your
application for you in-person.
By Mail
All applicants residing in Canada should apply in-person; however, special measures are in place to
accommodate individuals who cannot apply in-person at a Service Canada point of service. Only individuals in
these circumstances are permitted to apply by mail:
If you live 100 km or more from the nearest Service Canada point of service, in an inaccessible area, or where
outreach is very infrequent, you may apply by mail. If you are unsure if you are eligible, visit our Web site at
Canada.ca/social-insurance-number
to confirm your eligibility to apply by mail using your
postal code
or
contact Service Canada at 1-866-274-6627.
If you are unable to apply in-person at a Service Canada point of service due to other extenuating limitations
and cannot have another individual submit an application in-person on your behalf, you must contact
Service Canada at 1-866-274-6627 to confirm if you are eligible to apply by mail.
If you currently reside outside Canada, you are eligible to apply by mail. Follow Steps 1 to 3 to submit your
application form and provide original proof-of-identity documents to the Social Insurance Registration office.
NAS-2120-(02-20) E
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Step 1 - Gather the original proof-of-identity documents required
Whether you apply in-person or by mail, you must provide original primary proof-of-identity documents to
prove your identity and legal status in Canada. Photocopies are not accepted. You may also need to provide
supporting proof-of-identity documents if the name indicated on your primary or secondary proof-of-identity
document is different than the name you are currently using. When applying in-person you must provide
original secondary proof-of-identity documents to confirm your identity. If you are a parent, legal guardian or
legal representative applying on behalf of the applicant, you must provide additional documents; refer to the
list provided below under
Additional document(s) required for representatives.
When applying in-person, your original documents will be returned to you immediately.
Translation requirements:
Note: You must provide original documents; photocopies are not accepted.
If you submit a document that is not in English or French, you must also submit:
-
an English or French translation of the document; and
-
an attestation or affidavit written and signed by the translator.
If the document has been translated by a certified translator, you must submit an attestation. The attestation is a
document stating that the translation is a true and accurate version of the original text. (A certified translator is
a member of a provincial or territorial organization of translators and interpreters.)
If the document has been translated by a translator who is not certified, you must submit an affidavit. The
affidavit is a document stating that the translation is a true and accurate version of the original text. The
translator must sign the affidavit before a commissioner for oaths or a commissioner for taking
affidavits. (A commissioner for oaths or a commissioner for taking affidavits is appointed by a province or
territory.)
Note:
Translations by family members are not acceptable. (A family member is defined as being a parent, guardian,
sibling, spouse, grandparent, child, aunt, uncle, niece, nephew or first cousin.)
Refer to the list below to determine the proof-of-identity documents that you will need to apply.
Primary proof-of-identity documents
Canadian citizens must submit one of the following original documents:
• a certificate of birth or birth certificate issued by the vital statistics agency in the province or territory
where you were born (Note: Quebec proof-of-birth documents issued prior to 1994 are not accepted);
• Certificate of Canadian Citizenship issued by Immigration, Refugees and Citizenship Canada (IRCC);
or
• Certificate of Registration of Birth Abroad issued by IRCC.
If you are a registered Indian and you want to register your status in your SIN record, you must provide:
• your Birth Certificate (see section on Canadian citizens) and a Certificate of Indian Status issued by
Indigenous and Northern Affairs Canada (INAC)
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Permanent Residents of Canada need to provide one of the following original documents:
• Permanent Resident Card issued by Immigration, Refugees and Citizenship (IRCC);
• Confirmation of Permanent Residence issued by IRCC, accompanied by either a travel document (for
example, a foreign passport) or an alternate photo identification issued by a provincial/territorial
authority (for example, a driver's licence). Note: The Confirmation of Permanent Residence is
acceptable if used within one year of the date you became a permanent resident. The Permanent resident
card is required after this period;
• Record of Landing issued by IRCC before June 28, 2002;
• Verification of Landing issued by IRCC (only acceptable to amend a SIN record or to obtain
confirmation of an existing SIN); or
• Status Verification OR Verification of Status issued by IRCC (only acceptable to amend a SIN record
or to obtain confirmation of an existing SIN).
Temporary Residents of Canada need to provide one of the following original documents:
• Work permit issued by Immigration, Refugees and Citizenship (IRCC);
• Study permit issued by IRCC, indicating that you are authorized to work in Canada.
a study permit that indicates the permit holder “may accept employment” or “may work” in
Canada; or
a study permit and a “confirmation to work off campus” letter issued by IRCC prior to February
11, 2015.
If neither of these requirements is met, you may contact
IRCC
to verify if you are eligible to apply
for an amended study permit.
• Visitor record issued by IRCC, indicating you are authorized to work in Canada; or
• Diplomatic identity card and note of permission of employment issued by Global Affairs Canada.
Other - Individuals residing outside Canada who are not Canadian citizens or Registered Indians with no
legal status in Canada and are eligible to receive a Canadian government benefit or pension need to provide
both of the following original documents:
• Birth Certificate issued by a state authority from your country of birth (if not in English or French, see
beginning of Step 1) AND
• Letter confirming eligibility for pension or benefits from Canada Pension Plan (CPP), Old Age Security
(OAS) or Régie des rentes du Québec (RRQ).
Supporting proof-of-identity documents
You must also provide an original supporting proof-of-identity document if the name indicated on your
primary proof-of-identity document (see above) or your secondary proof of identity (see below) is different
than the name you are currently using. You will need to provide one of the following supporting proof-of-
identity documents, if required:
• Certificate of marriage or a similarly titled document, depending on the issuing authority to support your
family name after marriage. Note: This does not apply to Quebec residents who were married after April
1, 1981, regardless of where they were married;
• Legal Change of Name Certificate or Court Order document issued in accordance with provincial/
territorial change of name act in Canada or similar legislation;
• Adoption order certified by a provincial/territorial court for adoptions in Canada only;
• Notarial Adoption Certificate issued by the country of origin of the child adopted abroad;
• Request to Amend Record of Landing issued by Immigration, Refugees and Citizenship Canada (IRCC);
or
• Divorce Decree or a similarly titled document issued in accordance with a provincial/territorial court in
Canada for the dissolution of marriage. Note: Documents issued by a foreign country are not
acceptable.
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Secondary proof-of-identity documents
When applying in-person, you must also provide an original secondary document that is valid and issued by a
government (federal or provincial). The document must contain your legal name (surname and given name)
as well as your date of birth. Examples of acceptable secondary documents include:
• a passport (Canadian or foreign)
• a provincial or territorial ID card or driver’s license
• any other government-issued ID
Note: The secondary document requirement does not apply to applicants below the age of majority in their
province or territory of residence or applicants applying by mail.
Additional documents required for representatives
Parent or legal guardian applying on behalf of a minor child
If you are a parent or a legal guardian applying on behalf of a minor child (i.e. child under the age of majority
in their province or territory of residence), you must provide:
• The child’s original primary proof-of-identity document as listed in Step 1 above;
• The child’s original supporting proof-of-identity document, if applicable;
• Your own original primary proof-of-identity document as listed in Step 1 above;
• Your own original secondary proof of identity document, if applying in person; and,
If you are a legal guardian, you must also provide an original or certified copy of a document confirming
legal guardianship issued by a provincial/territorial authority or similar legislation (in Quebec, a notarized Will
is an acceptable document).
Legal representative applying on behalf of a minor child or an adult
If you are a court appointed lawyer or individual, or provincial/territorial employee applying on behalf of a
minor child or an adult, you must provide:
• The child’s or adult’s original primary proof-of-identity document as listed in Step 1 above;
• The child’s or adult’s original supporting proof-of-identity document, if applicable;
• Your own original valid employee photo identification or government-issued identification, e.g. valid
driver’s license or passport; and,
• An original or certified copy of a document confirming proof of legal representation issued by a
provincial/territorial authority or similar legislation (in Quebec, a notarized Will is an acceptable
document).
If you are a provincial/territorial employee, you must also provide an original Letter of Authorization issued
on agency letterhead by the agency’s Director/Administrator authorizing the legal representative to represent
the agency to apply for a SIN.
REMEMBER: Photocopies are not accepted.
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Step 2 - Complete the Application Form
This application form is not required if you apply in-person. However, a completed and signed application
form is required if you are authorizing another individual to submit the application in-person on your behalf.
You must fully complete items 1 to 13, except gender information (in item 3), which is optional. The parent
listed in item 4 must not be repeated in item 5. Parents can appear in any order. You must sign and date the
application form (in blue or black ink).
Note: Some provinces have passed legislation to recognize up to four parents on the registration of birth and
you now have the option to have them all listed on your SIN record. In order to document the parent(s) that do
not appear on the application form, attach a separate sheet of paper. On this sheet, provide the given name(s)
and the family name at birth of each parent and underline the family name at birth.
Signature on the application form:
The application form must be signed by the applicant, except in the following situations:
• Child under 12 years of age: the parent or legal guardian must sign the application form.
• Child over 12 years of age and under the age of majority in their province or territory of residence:
the child, parent or legal guardian must sign the application form.
• Minor child or adult applicant who is represented by a legal guardian or legal representative: the
provincial/territorial employee, the legal guardian, or the court appointed lawyer or individual must sign
the application form.
If “X” is used as a signature, two witnesses must sign in the signature portion and indicate their relationship to
you on the application form.
IMPORTANT: If you are a parent, legal guardian or legal representative, check the appropriate box on the
form to indicate your relationship to the applicant and print and sign your name (Section 13).
Failure to fully complete, sign and date the application form will result in your application not being accepted.
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