More information

For more information about TFNs, visit the ATO website.

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Information iconDo not lodge an application for a tax file number (TFN) more than once during a period of 28 days. Please allow this time for processing of your application, your patience is appreciated.

Permanent migrants or temporary visitors to Australia

You should apply for a TFN online at if you have one of the following:
  • a valid permanent migrant visa
  • a valid visa with work rights
  • a valid overseas student visa, or
  • a valid visa allowing you to stay in Australia indefinitely.

Note: If you were born in Australia or have taken out Australian citizenship you are not eligible to use the IAR online form. Continue with the Australia Post online form below.

When to use this form

Use this form if you are:
  • not eligible to use the online process for permanent migrants and temporary visitors outlined
    above, and
  • able to attend an interview at one of the participating Australia Post retail outlets.

You will need to attend an interview and provide proof of identity documents to complete your TFN application. Check that you have sufficient proof of identity documents before you continue with this form.

Parent or guardian

Depending on the age of the TFN Recipient, there will be different document requirements for parents or guardians applying on their behalf. Check which documents are required by referring to the signature requirements.

In addition to the TFN Recipient’s proof of identity documents, you will need to provide evidence to prove your own identity as well as your authority to act on their behalf. Check that you have sufficient proof of identity and proof of eligibility documents before you continue with this form.

When will I receive my TFN?

You should receive your TFN within 28 days after your interview. The Australian Taxation Office (ATO) will mail your TFN to the postal address on your application.

Your patience during the processing period is appreciated. Do not lodge another application during this time.