How to Retrieve a Lost or Forgotten Tax File Number (TFN)

Misplacing your Tax File Number (TFN) can be stressful, but recovering it is straightforward. Follow our simple guide to retrieve your TFN quickly and securely, restoring access to your financial and tax information.

Individual successfully retrieving lost TFN

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Last update: Mar. 27, 2025

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Why Retrieving Your TFN is Important

Your TFN is essential for various financial activities, including filing taxes, managing your superannuation, and receiving government payments. Quickly recovering it prevents unnecessary disruptions to these vital services.

Steps to Retrieve Your TFN

Follow these straightforward steps to retrieve your TFN safely and quickly:

  • Check Official Documents: Your TFN often appears on previous tax returns, income statements, or superannuation statements.
  • Contact Your Employer: Your employer or payroll office typically keeps your TFN securely on record and can provide it upon request.
  • Log into myGov: If you've linked your ATO account, you can securely access your TFN through the myGov portal.
  • Contact the ATO Directly: Call the Australian Taxation Office (ATO) directly if you're unable to retrieve your TFN through other means.

Protect Your TFN Once Retrieved

After retrieving your TFN, ensure it's securely stored. Protect it by only sharing it with trusted organizations such as your employer, bank, or the ATO.

Need a New TFN?

If you're unable to retrieve your TFN or you're applying for the first time, you can quickly and easily apply for a new TFN using our secure online registration form.

Click here to apply for your TFN securely online now.

Frequently Asked Questions (FAQ)

Where can I usually find my TFN?

Your TFN is printed on official documents such as previous tax returns, your super fund statement, or income summaries from your employer.

Can my employer help me recover my TFN?

Yes, your employer may have your TFN on file in payroll records and can share it with you securely upon request.

Can I see my TFN in myGov?

Yes. If you've linked your ATO account in myGov, you can log in to view your TFN securely online.

What if I still can't find my TFN?

You can contact the ATO directly by phone. They will ask for proof of identity and provide guidance on next steps.

Should I apply for a new TFN if I've lost mine?

Not immediately. Your TFN is for life. Only apply for a new one if the ATO confirms that a replacement is required or if you never had one before.

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