• Acceptable proof of identity documents

    If you are:

    • 16 years old or over – you need to provide three documents, one of which must be a primary document
    • under 16 years old – you need to provide two documents, one of which must be a primary document.

    If a parent or guardian signs the application, or your documents are in your previous name or a language other than English, there are specific requirements you must meet – read the previous section on proof of identity requirements.

    Primary documents

    • Australian full birth certificate – a birth certificate extract is not acceptable
    • Australian passport
    • Australian citizenship certificate, or Extract from Register of Citizenship by Descent
    • Foreign passport.

    Secondary documents

    • Medicare card
    • Account statement from an Australian bank, credit union or building society less than one year old, with your name and your current address matching the details you provide on your application – transaction lists printed off the internet and credit card statements are not acceptable
    • Current Australian firearm licence with your signature and/or photo matching the details you provide on your application
    • Current student identification card (only one – either tertiary or secondary) with your photo, issued from an Australian government accredited education authority
    • One of the following cards with your photo and signature (any address on the card must match the details provided on the application)            
      • Australian drivers licence
      • Australian learners permit
      • state or territory government issued proof of age card
      • state or territory government issued photo card.
       

    If you are under 16 years old, secondary documents can include one of the following, which must be less than one year old and issued by an Australian government accredited education authority:

    • secondary school examination certificate
    • record of achievement
    • examination report.

    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.

    Proof of identity documents

    • Change of name by deed poll
    • Change of name document
    • Marriage certificate
    • Australian full birth certificate
    • Medicare card
    • Foreign birth certificate
    • Doctor’s letter#
    • Letter of authority*
    • Power of attorney*
    • 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 over 18 years old 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

    For information on who should sign this form see – Who should sign your application?

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

    Lodging your application

    Make a copy of this application for your own records before you lodge it.

    Send the original application and certified copies of your identity documents to us at:

    Australian Taxation Office

    PO Box 9942

    MOONEE PONDS VIC 3039

    Or, you can visit your nearest Centrelink Service Centre – if you're applying for a government benefit or pension. You must provide original identity documents with your application.

    More information

    If you have lost your TFN or aren't sure you have one, check all your correspondence from us or contact your registered tax agent.

    If you still can't find your TFN or would like to update your details, phone 13 28 61 between 8.00am and 6.00pm, Monday to Friday. If you phone us, we need to know we are talking to the correct person before discussing your tax affairs. We will ask you for details that only you, or someone you’ve authorised, would know. An authorised contact (nominated representative) is someone who you have previously told us can act on your behalf.

    See also:

    Find out about:

    Contact us

    For more information about TFNs, phone 13 28 61 between 8.00am and 6.00pm, Monday to Friday.

    If you do not speak English well and need help from the ATO, phone the Translating and Interpreting Service on 13 14 50. If you are calling from overseas, phone +61 3 9203 4027.

    If you are deaf or have a hearing or speech impairment, phone the ATO through the National Relay Service (NRS) on the numbers listed below:

    • TTY users – phone 13 36 77 and ask for the ATO number you need (if you are calling from overseas, phone +61 7 3815 7799)
    • Speak and Listen (speech-to-speech relay) users – phone 1300 555 727 and ask for the ATO number you need (if you are calling from overseas, phone +61 7 3815 8000)
    • Internet relay users – connect to the NRS on relayservice.External LinkgovExternal Link.auExternal Link and ask for the ATO number you need.
    Last modified: 21 Feb 2017QC 27134