System maintenance
This page contains up-to-date information on ATO systems maintenance.
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Weekly system maintenance
ATO online systems may be impacted in part or in full for scheduled weekly maintenance at the following times.
Weekly systems release – start and finish times
Start time
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End time
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Tuesday 11:30 pm AEDT
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Wednesday 7:00 am AEDT
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Thursday 11:30 pm AEDT
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Friday 7:00 am AEDT
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Saturday 11:30 pm AEDT
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Sunday 7:00 am AEDT
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Systems maintenance
ATO online systems may be impacted in part or in full at the following times. Full or limited functionality may be returned earlier if maintenance is proceeding ahead of schedule.
Systems maintenance – start and finish times
Start time
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End time
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Maintenance type
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Friday 9 June 2023 11:30 pm AEST
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Saturday 10 June 2023 7:00 am AEST
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System maintenance
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Friday 9 June 2023 11:30 pm AEST
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Sunday 11 June 2023 10:00 am AEST
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Pre-fill functionality will be unavailable
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Friday 16 June 2023 11:30 pm AEST
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Monday 19 June 2023 7:00 am AEST
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Integrated release
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Saturday 24 June 2023 11:30 pm AEST
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Sunday 25 June 2023 11:30 pm AEST
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System maintenance
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Saturday 5 August 2023 10:00 pm AEST
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Sunday 6 August 2023 10:00 am AEST
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Monthly maintenance
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Friday 25 August 2023 11:30 pm AEST
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Monday 28 August 2023 7:00 am AEST
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Integrated release
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Saturday 2 September 2023 10:00 pm AEST
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Sunday 3 September 2023 10:00 am AEST
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Monthly maintenance
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Saturday 30 September 2023 9:00 pm AEST
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Sunday 1 October 2023 10:00 am AEDT
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Monthly maintenance
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Saturday 4 November 2023 10:00 pm AEDT
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Sunday 5 November 2023 10:00 am AEDT
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Monthly maintenance
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Friday 10 November 2023 11:30 pm AEDT
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Monday 13 November 2023 7:00 am AEDT
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Integrated release
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Saturday 2 December 2023 10:00 pm AEDT
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Sunday 3 December 2023 10:00 am AEDT
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Monthly maintenance
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Saturday 16 December 2023 10:00 pm AEDT
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Sunday 17 December 2023 10:00 am AEDT
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Standard release
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Friday 15 March 2024 11:30 pm AEDT
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Monday 18 March 2024 7:00 am AEDT
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Integrated release
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ATO online systems
List of ATO online systems:
- Access Manager
- ato.gov.au
- ATO app (some features)
- ATO Online Services for Agents
- ATO Online Services for Business
- ATO Online Services for Individuals and Sole traders
- ATO Online Services for Non-residents
- ATO Online Services Simulator
- AUSid
- Australian Business Register
- Bulk data exchange
- Data transfer facility
- Departing Australia Superannuation Payment
- EmployerTICK
- Online TFN application
- Progress of return
- Practitioner Lodgment Service
- Single Touch Payroll
- Small Business Superannuation Clearing House
- Standard Business Reporting
- SuperTICK
System maintenance pages for related systems:
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Troubleshooting, technical help and performance dashboards
Troubleshooting – if you are experiencing a system issue or error message.
Technical helpdeskExternal Link – assistance with technical log-on, connection, firewall and virtual private network (VPN) issues.
Online Services for Agents dashboardExternal Link – availability and performance of Online services for agents.
Practitioner Lodgment Service dashboardExternal Link – availability and performance of the practitioner lodgment service.
Superannuation dashboardExternal Link – availability and performance of superannuation enabling service.
Online Services for Business dashboardExternal Link – availability and performance of Online services for business.
Staying informed
Subscribe to email updates to be alerted when this page is updated.
Subscribe to tax professionals alerts to receive email notification for unplanned Online services for agents or practitioner lodgment service maintenance windows and functionality issues.
Follow us on FacebookExternal Link or TwitterExternal Link for updates and reminders of major system maintenance.
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This page contains information about planned ATO systems maintenance windows and how to be alerted.