What do I need a Tax File Number For? In Australia you will need a tax file number (TFN) to work. It is also needed for: open a bank account apply to government agencies to claim benefits seek financial help to go to university lodge a tax return Apply for your TFN online You can apply for your TFN online if one or more of the following apply to you: If you are a permanent migrant or temporary visitor who is actually in Australia. You must also be either: a working holiday maker a New Zealander and you are automatically granted a visa on arrival an overseas student and your visa has been amended to allow you to work a person with a valid visa allowing you to stay in Australia indefinitely a person with a business visa You will need the following: a valid permanent migrant visa, or a valid visa with work rights, or a valid overseas student visa, or a valid visa allowing you to stay in Australia indefinitely. To apply go to the Tax file number online application page. *Disclaimer: While all efforts are made to ensure information is factual, the Moving2Oz team recommend checking the Australian Taxation Office as it is constantly changing and updating and it would be worth your while looking at it to verify information.