If you no longer operate a business or have ceased your enterprise, it’s important to cancel your ABN registration to avoid unnecessary tax obligations or government communication.
To cancel your ABN registration in Australia, you can follow these steps:
- Visit the official Australian Business Register (ABR) website.
- Log in using your myGovID or AUSkey credentials.
- Select the ABN you wish to cancel and complete the online cancellation form.
- Submit your request—cancellation is typically processed within a few business days.
Before cancelling, ensure all outstanding obligations such as BAS, GST, and income tax returns are lodged with the ATO. Once cancelled, your ABN details will be listed as “cancelled” on the ABR for historical reference.
Cancelling your ABN registration is a straightforward process, but if you’re unsure or need help managing other business transitions, professional support is available to simplify it for you.

