You can apply for an individual Tax File Number (TFN) from the Australian Tax Office (ATO). It’s not compulsory to hold a TFN, but it will help you to:
- lodge a tax return
- start or change jobs
- limit the amount of tax you pay on interest or dividends from savings accounts or investments.
To apply for an individual Tax File Number you will need to visit the ATO website.
To complete your application, you may need to:
- provide proof of identity documents, and
- attend an interview.
If you’re operating a business as a sole trader or individual, you can use your individual TFN. For other types of business structures, you’ll need to Apply for a business Tax File Number.
Visit the Australian Tax Office website to learn more about applying for a TFN as an Australian resident, person living outside Australia, foreign passport holder, permanent migrant, or temporary visa holder.
Last updated: 29 July 2025