Scheduled Maintenance:
- Saturday 27 September 7:00 PM to Sunday 28 September 2:00 PM (AEST)
- Saturday 4 October 7:00 PM to Sunday 5 October 2:00 PM (AEST)
During the specified periods, the ABN refresh service will be unavailable, and users may experience delays with their ABNs appearing on the Lookup services.
Invalid ABN/ACNVersion: 9.9.7
Invalid ABN/ACN
The number entered () is not a valid ABN or ACN. See:
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