Getting a tax file number

Your TFN is a personal reference number used for tax and superannuation.

You should get a TFN if you want to do any of these things:

  • get a job
  • apply for government benefits
  • get an Australian business number (ABN).

It’s free to apply for a TFN.

How to apply

There are different ways to apply for a TFN depending on your circumstances. Find out more about how to apply for a TFN on the Australian Tax Office (ATO) website.

How to find your TFN

  1. Sign in to myGov and select Australian Taxation Office from Services.
  2. Select Find my TFN.
  3. From here you can view your TFN.

You can also select Update to change any details.

Set up your account

If you don’t have a myGov account, you can create one on myGov.

You can link to ATO online services when you finish creating your account. Find out more about linking to the ATO on the ATO website.

If you don’t have a myGov account, there are other ways you can find your TFN. Learn more about how to find a lost TFN on the ATO website.

Help in more languages

Find information in other languages on the ATO website to help with tax and superannuation.

Call the Translating and Interpreting Service on 131 450, and they will connect you to the ATO.