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Tax file numbers (TFN)

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 individuals
Individuals who are Australian residents for tax purposes but ineligible or unable to apply for a tax file number (TFN) online can apply for a TFN on a paper form.
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).