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.
If you are a temporary visitor who needs a TFN but cannot use IAR, you will need to use the paper TFN application form for people living outside Australia, even if you are currently in Australia.
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.
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.
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.