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If you are an Australian resident for tax purposes and able to attend an interview at a participating Australia Post retail outlet, you can apply for a TFN on the web. Visit the Australia Post office locatorExternal Link to find a participating retail outlet near you where you can present your identity documents.
Otherwise, you will need to complete a paper form Tax file number – application or enquiry for individuals (NAT 1432). You can get a copy of this form by:
The form must be accompanied by documents which prove your identity – but do not send us original documents.
We accept certified copies of documents. However, certified copies of documents that you mail to us may not be returned to you. Your TFN will not be processed without the necessary documents. A full list of acceptable documents is provided in the instructions to the form.
If you cannot find your TFN or are not sure you have a TFN, check all your correspondence from us, contact your registered tax agent, or phone us on 13 28 61 between 8.00am and 6.00pm, Monday to Friday.
Get it done
Download a sample (for your guidance only) of the Tax file number – application or enquiry for individuals (NAT 1432, PDF 176KB).
Note: Do not print and submit this online sample form – you must instead complete the paper copy we provide when you order the form from us.
Foreign passport holders (permanent migrants or temporary visitors to Australia) can apply for a TFN online at any time after entering Australia. This option is available if you are:
Individual Auto-RegistrationExternal Link
Aboriginal or Torres Strait Islanders can complete the form Tax file number – application or enquiry for Aboriginals or Torres Strait Islanders (NAT 1589).
Find out more
For further information, visit Aboriginal and Torres Strait Islander people – How to get a TFN
Non-residents of Australia for tax purposes – you can apply for a TFN using Tax file number – application or enquiry for individuals living outside Australia (NAT 2628). Note: The tests we use to determine your residency status for tax purposes are not the same as those used by other Australian agencies for other purposes, such as immigration.
For detailed information about Australian residency, visit International tax essentials.
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