Frequently asked questions

• What is the Australian Business Register (ABR)?
• What information can be accessed on the ABR?
• Who can access information on the ABR?
• How is the security of information achieved on the ABR?
• What is the Australian Business Number (ABN)?
• Is an ABN compulsory?
• What is the relationship between an ACN/ARBN and an ABN?
• Is it compulsory to update my details on the ABR?
• Do you have to pay a fee to use the ABR?
• How are issues of privacy and security being addressed?
• How can information be changed or updated on the ABR?
• How is the quality of the ABR being maintained?
• Can business clients check or change details at their convenience?
• FAQs for tax agents
• How do I reactivate my ABN?