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How do I find my TFN?

Before you apply for a TFN, check to make sure you don’t have one already. If you do have a TFN, you can find it from

  • your income tax notice of assessment
  • correspondence from the ATO
  • a payment summary from your employer
  • your superannuation member statement
  • your registered tax agent

If you still can’t find your TFN, you can phone the ATO at 13 28 61.