• Keeping the ABR up-to-date

    Once a business or organisation has an Australian business number (ABN) their business information is stored in the Australian Business Register (ABR). Access to this information benefits the community and government.

    To keep the Register current and accurate, the ABR reviews ABNs to ensure that they are held by businesses or organisations that are:

    The ABR will also check if business information is up-to-date.

    To verify information, the ABR may contact ABN holders by letter, phone or visit business premises.

    What if your ABN is cancelled by the ABR?

    It's your responsibility to consider whether your ABN needs to be updated or cancelledExternal Link.

    However, if the ABR has evidence that you may no longer be entitled to an ABN it may be cancelled. For example, information available to us may indicate that you are not carrying on an enterprise as you haven't recently:

    • lodged business activity statements (BAS), and/or
    • declared income at the business labels on your income tax returns.

    If you receive a letter saying your ABN has been cancelled, it will include the reason.

    If your ABN has been cancelled and you did not receive a letter, it could mean your contact details were not up-to-date.

    Find out more

    If you don’t agree with our decision, or you want to know if you are eligible to have your ABN reinstated, contact usExternal Link to discuss.

    • Last modified: 29 Mar 2017QC 487