Updating or cancelling your ABN

You have a responsibility to keep your ABN details up to date. You can update your details online or by contacting the ABR. If your business structure changes you may need to cancel your ABN.

    • Update your ABN details
    • It is important to update your information within 28 days of becoming aware of any changes to your ABN details.
    • Cancel your ABN
    • If you are no longer entitled to an Australian business number (ABN), it is important that you cancel it.
Last modified
25 Jun 2018