Parent or guardian

Can you sign the form if you are a parent or guardian?

Depending on the age of the applicant, a parent or guardian may be eligible to sign the form on behalf of the applicant. See Who should sign the form?

What you need to provide if you sign on behalf of the applicant?

If you sign on behalf of the applicant, you must provide all of the information outlined at question 16 on the form.

Acceptable proof of identity documents

You must provide two documents, one of which must be a primary document. They must both be current.

Primary documents

• Foreign passport
• Foreign birth certificate – if you have changed your name, you must provide another document that shows how you changed your name. For example, a marriage certificate, deed poll or change of name certificate
• Australian full birth certificate – a birth certificate extract is not acceptable. If you have changed your name, you must provide another document that shows how you changed your name. For example, a marriage certificate, deed poll or change of name certificate
• Australian passport

Secondary documents

• National photo identification card
• Foreign government identification
• Foreign marriage certificate – if you provide this document to verify how you changed your name, it will not count as a second document
• Foreign driver's licence – any address on your licence must match an address on this application

Linking documents

Must be provided if:

• there has been a change of name
• the gender on your supporting documents does not match the gender selected on the form
• a parent/guardian or legally appointed custodian is signing on behalf of the applicant.

Acceptable linking documents

• Change of name by deed poll
• Change of name document
• Marriage certificate
• Australian full birth certificate
• Australian Medicare card
• Foreign birth certificate
• Doctor's letter #
• Letter of authority*
• Power of attorney*
• Court order or proof of parentage/guardianship documents*.

# If

• the gender on your supporting documents does not match the gender selected on the form, the applicant can provide a statement from a Registered Medical Practitioner or a Registered Psychologist which specifies their gender
• the applicant is 16 or 17 years old and unable to sign their application, the parent or guardian signing the application on their behalf needs to provide a signed statement from a doctor explaining the circumstances.

* If the applicant is 18 years or older and unable to sign their application, the parent or guardian signing the application on their behalf needs to provide one of these linking documents.

Section F: Declaration

Once you have completed the application, you are required to read and sign the declaration. See Who should sign the form?

Note: If you are completing this TFN application on behalf of another person, this does not give you the authority to ask about their tax matters.

For details about the personal information we collect from you see Privacy notice – TFN application or enquiry for individuals living outside Australia.

Lodging your application

Make a copy of this application for your own records before you lodge it with your current proof of identity documents – see page 7 of the form for where to lodge.