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  • What happens if I don't quote my TFN or ABN?

    An amount will be withheld from your interest and other investment income at the top rate of tax plus Medicare levy if:

    • you choose not to quote your TFN or ABN, and haven't claimed an exemption from doing so, and
    • your income from interest and other investments is more than or equal to the relevant threshold.
    Last modified: 16 Mar 2015QC 16808