Abbreviation for Tax File Number.
Abbrev. For Tax file number.
Tax File Number. An allocated number given to taxpayers and used by the Australian Taxation Office to monitor income and taxation details.
Tax file number. A nine digit number issued by the Australian Taxation Office to individuals and companies to identify them for taxation purposes. Every Australian resident, and registered company should have a TFN. A TFN is different to an ABN. See also 'ABN'.
Tax file number. A unique number issued to individuals and organisations by the Australian Taxation Office to increase the efficiency in administering tax and other Commonwealth Government systems such as income support payments.