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Careers: Taxfile Numbers

What is a taxfile Number?

Tax file numbers (TFNs) are issued by the Australian Taxation Office (ATO). Your TFN is used to identify your tax records.

You are required to submit your Taxfile number to an employer or to a Tertiary Institution when you start a course.

The following video from the Australian Taxation Office explains why getting s TFN is so important:

Why do you need a TFN?


It is not compulsory to have a TFN. However, without it:

  •  your employer must take 45% of your wages in tax
  •  financial institutions are required to tax your interest at 45%
  • Centrelink will generally not pay you an allowance such as -Youth Allowance, Newstart or Austudy
  • you will not be able to defer your higher education fees - HECs.

How do you get a Taxfile Number?

Schools can no longer complete Taxfile Application forms.

1. Apply online and then attend an interview at an Australia Post Office:

This is the easiest way to apply for a TFN. There are 3 steps in the process:

i) Complete the online form. You can access the form here (or at)
    https://smarteform.com.au/onlineforms/ato/tax-file-number-application-or-enquiry-for-individuals/

ii) Print off the summary - after completing the form, you need to print off the application summary. You will
    need it for the next step.

iii) Attend an Australia Post interview - you must attend an interview at your local Australia Post outlet within
    30 days of completing your online application. Bookings are not essential, but are recommended. You
    will need to take 2 things with you to your interview:
    a) Your printed application summary
    b) Your "Proof of Identity" documents (see notes below about what is required for proof of identity).


2. Complete the paper based form and send in your "Proof of Identity":

If you are not able to attend an interview, you can complete the paper based application form. To get this you can contact the Australian Taxation Office on 13 28 61 and ask them to send you a copy of the "Tax file number - application and enquiry for individuals" or check your local Post Office or newsagent as they may have them.

You can view a sample of this form here.

One you have completed the application you need to send it off to the address that is on the form and you must also include certified copies of your identification documents (see notes below on this). Do not send original documents as the ATO do not return any documents to you.


Your "Proof of Identity":

When you apply for a Tax File Number (via either of the above methods) you have to verify your identity to the ATO. You need to provide certain documents to do this. The documents you require vary depending on whether you are over or under 16 years of age.

To get all the details on which documents you can use, click here (or go to
https://www.ato.gov.au/Individuals/Tax-file-number/In-detail/Copies-of-documents---applicants-within-Australia/)

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