This is the data file for the additional ANZSIC codes.

This is the data file for business location 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.

Changes to the Australian Business Register (ABR) will allow up to 4 extra business activities to be recorded against your Australian business number (ABN).

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

Your ABN details on the Australian Business Register (ABR).

This fact sheet provides information on entrusted persons and their obligations.

This is the data file for agency details.

You can request Australian business number (ABN) details in writing.