Australian Business Register (ABR) data helps all levels of government with planning and decision making.

How to cancel your Australian business number (ABN) if your business has sold, closed down, or stopped operating.

You should cancel your ABN when your business has been sold, closed down, or is no longer operating in Australia or making supplies connected with Australia.

Government agencies with current ABR Partnership Agreement in place can download large volumes of data using ABR Explorer.

How to use myID and Relationship Authorisation Manager (RAM) to access our online services for a business or entity.

Update your agency’s Australian business number (ABN) details within 28 days of becoming aware of any changes.

You need a secure online credential to access government online services.

Find out how to check your ABR details.

How to update your Australian business number (ABN) details. You must update information within 28 days of becoming aware of any changes to your ABN details.

You can complete a number of activities on behalf of your clients using the Tax professional's services.

It is important that ABN details are kept up to date. The fastest way to cancel your client’s ABN is online using myID.