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  • System maintenance

    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

    End time

    Tuesday 11.30pm AEST

    Wednesday 7.00am AEST

    Thursday 11.30pm AEST

    Friday 7.00am AEST

    Saturday 11.30pm AEST

    Sunday 7.00am AEST

    Systems maintenance

    ATO online systems may be impacted in part or in full at the following times.

    Systems maintenance; start and finish times

    Start time

    End time

    Maintenance type

    Saturday 7 November 2020 10.00pm AEDT

    Sunday 8 November 2020 10.00am AEDT

    Monthly maintenance

    Saturday 14 November 2020 6.00am AEDT

    Sunday 15 November 2020 11.00pm AEDT

    System maintenance

    Friday 4 December 2020 11.30pm AEDT

    Monday 7 December 2020 7.00am AEDT

    Quarterly system release – Functionality may be returned earlier if the Quarterly Release proceeds ahead of schedule

    Saturday 12 December 2020 10.00pm AEDT

    Sunday 13 December 2020 10.00am AEDT

    Monthly maintenance

    Saturday 9 January 2021 10.00pm AEDT

    Sunday 10 January 2021 10.00am AEDT

    Monthly maintenance

    Saturday 16 January 2021 6.00pm AEDT

    Sunday 17 January 2021 7.00am AEDT

    System maintenance

    Friday 22 January 2021 11.30pm AEDT

    Sunday 24 January 2021 7.00am AEDT

    System maintenance

    Saturday 6 February 2021 10.00pm AEDT

    Sunday 7 February 2021 10.00am AEDT

    Monthly maintenance

    Saturday 6 March 2021 10.00pm AEDT

    Sunday 7 March 2021 10.00am AEDT

    Monthly maintenance

    Friday 12 March 2021 11.30pm AEDT

    Monday 15 March 2021 7.00am AEDT

    Quarterly system release – Functionality may be returned earlier if the Quarterly Release proceeds ahead of schedule

    Saturday 3 April 2021 10.00pm AEDT

    Sunday 4 April 2021 10.00am AEST

    Monthly maintenance

    Saturday 1 May 2021 6.00am AEST

    Sunday 2 May 2021 11.00pm AEST

    System maintenance

    Saturday 8 May 2021 10.00pm AEST

    Sunday 9 May 2021 10.00am AEST

    Monthly maintenance

    Saturday 12 June 2021 10.00pm AEST

    Sunday 13 June 2021 10.00am AEST

    Monthly maintenance

    Friday 18 June 2021 11.30pm AEST

    Monday 21 June 2021 7.00am AEST

    Quarterly system release – Functionality may be returned earlier if the Quarterly Release proceeds ahead of schedule

    Saturday 7 August 2021 10.00pm AEST

    Sunday 8 August 2021 10.00am AEST

    Monthly maintenance

    Saturday 4 September 2021 10.00pm AEST

    Sunday 5 September 2021 10.00am AEST

    Monthly maintenance

    Friday 24 September 2021 11.30pm AEST

    Monday 27 September 2021 7.00am AEST

    Quarterly system release – Functionality may be returned earlier if the Quarterly Release proceeds ahead of schedule

    Saturday 2 October 2021 9.00pm AEST

    Sunday 3 October 2021 10.00am AEDT

    Monthly maintenance

    Saturday 6 November 2021 10.00pm AEDT

    Sunday 7 November 2021 10.00am AEDT

    Monthly maintenance

    Saturday 11 December 2021 10.00pm AEDT

    Sunday 12 December 2021 10.00am AEDT

    Monthly maintenance

    Friday 24 December 2021 11.30pm AEDT

    Tuesday 4 January 2022 7.00am AEDT

    System maintenance

    ATO online systems

    List of ATO online systems:

    • ato.gov.au
    • ATO app (some features)
    • ATO Online services for agents
    • ATO Online services for Individuals and Sole Traders
    • ATO Online services for non-residents
    • ATO Online services simulator
    • AUSid
    • Australian Business Register
    • Business Portal
    • Bulk Data Exchange
    • Data Transfer Facility
    • Departing Australia Superannuation Payment
    • EmployerTick
    • Progress of Return
    • Practitioner lodgment service
    • Single Touch Payroll
    • Small Business Superannuation Clearing House
    • Standard Business Reporting
    • SuperTick

    See also:

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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.

    Business portal dashboardExternal Link – availability and performance of the online business service portal.

    Staying informed

    Subscribe to email updates to be alerted when this page is updated.

    Subscribe to Tax professionals alerts to receive email or SMS notification for unplanned Online services for agents or PLS 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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    Last modified: 28 Oct 2020QC 40990