What is a tax file number? Find out why you need a TFN, where to find it and how to keep your TFN and personal details safe.
Your TFN is a personal reference number you use for tax and superannuation. You should have a TFN if you want to get a job, apply for government payments, or get an Australian business number (ABN). If you already have a TFN but don't remember the number, you can find it.
Eligibility to apply for a TFN Australian residents can apply for a tax file number (TFN) at any age. It is free to apply for a TFN. The fastest way to apply is online using a Digital ID, such as myID. You will need to be at least 15 years old and have a Strong identity strength.
Apply for a tax file number (TFN) online using your Digital ID to generally receive it straight away. Once you have your TFN, you can start accessing myGov and ATO online services.
Find your tax file number online with ATO online services. Tell us as soon as possible if your TFN is stolen or misused.
There is no fee for lodging a tax file number (TFN) application or enquiry. What happens to my personal information when I cancel or close the form without submitting it? If you cancel or close the form before you submit it, any information you entered will not be saved.
How to apply for a TFN online or by paper depending on your circumstances and residency status. It is free to apply.
Find out why you need a TFN, where to find it and how to keep your TFN and personal details safe.