You can now update your ABN with 4 additional business activities, plus the Australian and New Zealand Standard Industrial Classification (ANZSIC) code that

Non-residents may be entitled to an Australian business number (ABN) if carrying on an enterprise in Australia, or making supplies connected with Australia's indirect tax zone.

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).

Providing accurate details in your ABN application will help to avoid delays.