About Tax File Numbers

What is a TFN?

A Tax File Number or TFN is your personal reference number that connects you to the tax and super system.
The TFN you’re given will be yours for life. It’s an important part of your tax and super records, as well as your identity.
Without a TFN you pay more tax and will only have limited access to government services.

Why adding a TFN is really important

If you don’t add your TFN to your Professional Super account, you won’t be able to:
  • Find your lost super
  • Make personal contributions
And, the ATO taxes you at 47% which is a much higher rate. However, declining to quote your TFN is not an offence.

How do you get a TFN?

It’s easy to apply for a TFN, and even babies can get them.
If you’re an Australian resident you can apply for a TFN at an Australia Post outlet, a Services Australia Centre or via post.

Apply online with an Australian passport

If you meet the eligibility requirements, you can get a TFN straight away by applying online using myGovID.

Applying at Australia Post

  • 1
  • 2
    Book an interview at a participating Australia Post within 30 days.
  • 3
    Attend the interview and bring the completed application form and original identity documents.

Applying at a Services Australia Centre

If you’re a Services Australia Centre customer you can apply for a TFN by:
  • 1
    Ordering an application form online and completing it.
  • 2
    Visiting a Services Australia centre, remember to bring the completed application form and original identity documents.

Applying via Post

  • 1
    Order an application form online and complete it.
  • 2
    Have copies of original identity documents certified.
  • 3
    Post the application form and certified copies of the identity documents.
To find out more check out the ATO’s website.

Where can I find my TFN?

Here are some places to check when searching for your TFN:
  • Login to your myGov account
  • Payment summaries from your employer
  • Lodged income tax returns (this is would be from the ATO)
  • Previous super statements
  • Ask your accountant
Or you can call the ATO, they will be able to help you locate your TFN.
Professional Super is authorised under the Superannuation Industry (Supervision) Act 1993 to collect, use and disclose your Tax File Number (TFN). By providing your TFN, you give Professional Super permission to use your TFN for superannuation purposes, which includes creating and administering your account and actioning your rollover requests. It is not compulsory to tell us your TFN, however if you don’t do so, your before-tax contributions and withdrawals are taxed at a higher rate and we can’t accept after-tax contributions from you, and we will not be able to help you find your existing and lost super.
ABN 43 905 581 638
USI 43 905 581 638 021

Professional Super

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You should consider the Product Disclosure Statement, Reference Guide, Financial Services Guide and Target Market Determination before making a financial decision about this product.

This is general information only and does not take account of your personal objectives, financial situation or needs. Before acting on it, consider if the information is appropriate and whether you need to speak to an accredited professional. When considering financial returns, past performance is not indicative of future performance.

This product is issued by Diversa Trustees Limited (ABN 49 006 421 638; AFSL No. 235153; RSE Licence L0000635) as trustee for Professional Super which is a sub-fund of OneSuper (ABN 43 905 581 638; RSE R1001341). Professional Superannuation Management Pty Ltd (ABN 31 617 160 791; AFSL No. 499786) (PSM) is the Promoter of Professional Super, which is marketed under multiple brands including Professional Super.

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