Rules Mate

Australian Business Number (ABN) application

Entities carrying on an enterprise in Australia need an ABN — without one, payers must withhold 47% PAYG from your payments. How to apply and who's eligible.

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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

taxabnregistration

Related obligations

Frequently asked questions

Who must comply with Australian Business Number (ABN) application?
Any entity carrying on an enterprise (broadly: business activities) in Australia.
What triggers Australian Business Number (ABN) application?
Commencing business activities; changes to registered details.
When is Australian Business Number (ABN) application due?
Before commencement of business; updates within 28 days.
What is the maximum penalty for Australian Business Number (ABN) application?
47% withholding on payments without ABN; admin penalties for inactive / cancelled ABNs
What evidence is required for Australian Business Number (ABN) application?
ABR registration; ongoing maintenance.

Source: https://abr.gov.au. Rules Mate is not a law firm. Always verify against the live regulator source before acting.