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Tax file numbers (TFN)

Apply for a TFN
There are various ways to apply for a TFN, depending on your circumstances.
Lodging tax file number (TFN) declaration data online
This fact sheet provides information to enable payers to submit TFN declaration data online.
TFN application for a deceased estate
Information for deceased estates about how to apply for a tax file number. (NAT 3236)
TFN declaration
The information you provide in this declaration will allow your payer to work out how much to withhold from payments made to you. (NAT 3092)
Tax file number
We issue tax file numbers (TFNs) to individuals and organisations to help us administer tax and other government systems.