• Requesting copies of ABN details

    Once your Australian business number (ABN) is registered, you will be notified in writing.

    Your ABN certificate will include the public information available in the Australian Business Register (ABR) via ABN LookupExternal Link and non-public information such as:

    • postal address
    • business address
    • Australian and New Zealand Standard Industrial Classification (ANZSIC) industry code
    • public officer name - if applicable
    • trustee name - if applicable.

    Request a copy of your ABN certificate

    If you would like your ABN certificate to be re-issued you can contact the ABR. The certificate will be sent to the postal address listed on the ABR within 14 days.

    Request an extract of your ABN details

    You can also be sent an extract of your ABN details which includes additional information such as:

    • email addresses
    • associate details
    • the ANZSIC description.

    If your contact details are recorded on the ABN you can make a request in writing. The request must include the following:

    • the relevant ABN
    • your contact details
    • the address for delivery as listed on the ABR.

    The ABN extract will be sent within 20 business days.

    If we cannot confirm the identity and authority of the person requesting the extract or the information is incorrect we will be unable to process the request.


    If you have an Administrator AUSkey you can access your ABN details online.

    End of attention

    Request a certified copy of someone else’s public ABN details

    Certified copies of someone else's ABN details for legal/law enforcement purposes can be obtained by writing to the ATO.

    A one-page standard certified extract of the publicly available information on ABN Lookup will be sent. There is a $20 fee for the first page and 10 cents for each subsequent page.

    Mail your payment with a cheque or money order to us at:

    The Director Business Management Registrations ATO
    PO Box 2012

    Cheques and money orders should be for amounts in Australian dollars and payable to the Australian Taxation Office. Cheques should be crossed 'Not Negotiable' and must not be postdated.

    • Last modified: 22 Dec 2016QC 321