Apply for and maintain an Australian Business Number
Entities carrying on an enterprise in Australia must have an ABN to operate (or face PAYG withholding at 47%).
Who must comply
Any entity carrying on an enterprise (broadly: business activities) in Australia.
What triggers it
Commencing business activities; changes to registered details.
When due
Before commencement of business; updates within 28 days.
Evidence required
ABR registration; ongoing maintenance.
Max penalty
47% withholding on payments without ABN; admin penalties for inactive / cancelled ABNs
Summary
Section 41 of A New Tax System (Australian Business Number) Act 1999 governs ABN entitlement. Entities must be carrying on an enterprise. Without an ABN, payers must withhold 47% PAYG. Entities must update ABR details within 28 days of changes; inactive ABNs are cancelled by the ATO.
Enforced by
Source legislation
Topics
Source: https://abr.gov.au. Rules Mate is not a law firm. Always verify against the live regulator source before acting.