System outages
Information for stakeholders affected by USI registry system outages
Current releases and outages
The USI Registry System may be intermittently unavailable between 8:00 pm AEDT Thursday 12 February 2026 and 6:00 am AEDT Friday 13 February 2026 to allow for scheduled maintenance. We apologise for any inconvenience.
Past releases and outages
| Start date | End date | Additional information |
|---|---|---|
| 8:30 am (AEDT) Sunday 8 February 2026 | 4:30 pm (AEDT) Sunday 8 February 2026 | The USI Registry System was unavailable to allow for scheduled maintenance. |
| 11:30 pm (AEDT) Thursday 22 January 2026 | 8:00 am (AEDT) Friday 23 January 2026 | The myID app will be unavailable to allow the ATO to undertake system maintenance. |
| 7:00 pm (AEDT) Monday 19 January 2026 | 10:00 pm (AEDT) Monday 19 January 2026 | The USI Registry System was intermittently unavailable to allow for scheduled maintenance. |
| 8:00 pm (AEDT) Thursday 15 January 2026 | 6:00 am (AEDT) Friday 16 January 2026 | The USI Registry System was intermittently unavailable to allow for scheduled maintenance. |
| 7:00 pm (AEDT) Wednesday 14 January 2026 | 10:00 pm (AEDT) Wednesday 14 January 2026 | The 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.