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  • Keep your TFN safe

    Once you get a tax file number (TFN), you need to keep it safe. Your TFN is how we identify you for tax and super. It's yours for life, so don't let anyone else use it – not even friends or family.

    If someone else uses your TFN, it can cause serious problems because they could use your name illegally and you could be convicted of a crime.

    There are only a few people and places that can ask for your TFN:

    • the ATO
    • Centrelink
    • your bank
    • your employer after you start a job
    • your super fund
    • your registered tax agent.

    If you've lost your TFN or if it's been stolen or misused, phone the Indigenous Helpline on 13 10 30.

    Last modified: 12 Jan 2016QC 47732