(TASA), you must notify us of certain changes in details or circumstances.
You must notify us in writing (either electronic or paper) within 30 days on which you become, or ought to have become, aware of any changes to your: Change in contact details Change in practice structure Change to legal or trading name Change to circumstances Change to professional association membership You can change the following contact details online using My Profile: We will pass on your updated contact details to the Australian Taxation Office (ATO).
The Australian Business Register (ABR) is responsible for the ABN application process.
For more information please see How do I apply for an ABN? As ABN Lookup does not have access to the ABN registration details please contact the ABR if you require assistance with your application or have any queries about its progress.
Note: You may also need to update your address in your practice management software used for lodgement of your clients' income tax returns and/or business activity statements.
To discuss account-specific information, we need the account holder present regardless of their age to give verbal consent over the phone. For ongoing enquiries, we recommend written authorisation from the account holder.
ABN registration details become part of the Australian Business Register (ABR), which the ATO maintains on behalf of the Commonwealth.
You can access the publicly available information contained in the ABR through the ABN Lookup website.
Read more about Update Your Details on the my Gov website.
You may receive a reminder in your Centrelink online account asking you to confirm your updated address, and to tell us if any other circumstances have changed.