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System outages

Information for stakeholders affected by USI Registry System outages

Current releases and outages

myID will be unavailable between 11:30 pm AEDT Saturday 31 October 2026 and 7:00 am AEDT Sunday 1 November 2026 to allow the Australian Taxation Office (ATO) to undertake system maintenance.

Past releases and outages

Start dateEnd dateAdditional information
11:30 pm AEDT Saturday 24 October 20267:00 am AEDT Sunday 25 October 2026myID was unavailable to allow for scheduled maintenance.
10:00 am AEDT Wednesday 22 October 202612:00 pm AEDT Wednesday 22 October 2026The USI Registry system was intermittently unavailable to allow for scheduled maintenance.
9:30 am AEDT Saturday 17 October 20269:30 pm AEDT Sunday 18 October 2026The USI Registry system was unavailable to allow for scheduled maintenance.
8:00 pm AEDT Wednesday 15 October 20266:00 am AEDT Thursday 16 October 2026The USI Registry system was intermittently unavailable to allow for scheduled maintenance.
5:15 pm AEDT Thursday 8 October 20267:45 pm AEDT Thursday 8 October 2026The USI Registry system was intermittently unavailable to allow for scheduled maintenance.

Download the file below for a summary of the USI Registry System outages over the last 12 months.

System outages past 12 months - as at October 2026(PDF, 87.11 KB)
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