There is scheduled system maintenance occurring from 8:00PM Saturday, 26 July 2025 to 1:00PM Sunday, 27 July 2025 (AEST). During these times, the ABN refresh service will be unavailable, and users may experience delays with their ABNs appearing on the Lookup services.
Frequently Asked Questions (FAQs)Version: 9.9.7
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ABN Lookup FAQ includes questions about:
- the details available on ABN Lookup
- how often ABN Lookup is updated
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ABN basics FAQ includes questions about:
- applying for an ABN
- checking the status of your application
- format of the ABN
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ABN holders FAQ includes questions about:
- keeping ABN details up-to-date
- how to cancel/reactivate your ABN
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Business names/Trading names FAQ includes questions about:
- registering for business names
- what to do if your business name does not appear on ABN Lookup
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