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  • Write to us

    We have online forms and instructions for most tax-related matters. If your query is not covered by these or information on our website, you can write to us at:

    Australian Taxation Office
    GPO Box 9990
    IN YOUR CAPITAL CITY

    Do not replace the words 'IN YOUR CAPITAL CITY' with the name of your capital city and its postcode - because of a special agreement we have with Australia Post, they are not needed. To ensure that your correspondence is actioned correctly it must be from a primary or an authorised contact and must contain all of the following information:

    • Tax File Number (TFN) or Australian Business Number (ABN)
    • Full name, Date of birth, address and phone number,
    • A signature

    Mailing your tax return

    Mail your tax return from within Australia to:

    Australian Taxation Office
    GPO Box 9845
    IN YOUR CAPITAL CITY

    If you are sending your paper tax return from overseas, change the address on the pre-addressed envelope by crossing out 'IN YOUR CAPITAL CITY' and replacing it with:

    SYDNEY NSW 2001, AUSTRALIA

    It will help us if you also cross out the barcode above the address.

    If you are using your own envelope, mail it to:

    Australian Taxation Office
    GPO Box 9845
    SYDNEY NSW 2001, AUSTRALIA

    Last modified: 14 Mar 2017QC 33546