Update clients' ABN details on the Australian Business Register (ABR)
Tax agents can access their clients' Australian business number (ABN) information online and:
change secure ABN information (for example - postal address and public officer) and receive confirmation of the change in the same internet session, and
apply for a tax file number, PAYG or GST registration and receive it by mail shortly afterwards.
Requirements
You will need:
a primary ATO digital certificate (register now), and
A secondary certificate holder cannot access the ABR to view or update a business entity’s secure information. Only primary certificate holders can do this.
Accessing this online service
You can access this service at www.abr.gov.au/ and select Tax Agents enter here.