Planned maintenance, security updates and system upgrades are undertaken from time to time to support the ongoing security, reliability and performance of RevenueSA Online and related services. Where possible, maintenance is scheduled outside standard business hours to minimise disruption to users.

During these periods, some services may be intermittently available and users may experience interruptions. We recommend saving your work regularly while using RevenueSA Online.

Known maintenance periods will be published on this page as they become available.


Month Scheduled maintenance window Impacted users
July From 9:00pm Wednesday 15 July 2026 to 1:00am Thursday 16 July 2026  All RevenueSA Online users
July Saturday 18 July 2026 between 3:00am and 3:00pm All RevenueSA Online users
July / August From 5:00pm Friday 31 July 2026 to 10:00am Saturday 1 August 2026 Certificate users
August From 5:00pm Friday 7 August 2026 to 10:00am Saturday 8 August 2026 Certificate users
August From 5:00pm Friday 14 August 2026 to 10:00am Saturday 15 August 2026 Certificate users
August From 5:00pm Friday 21 August 2026 to 10:00am Saturday 22 August 2026 Certificate users
August Saturday 22 August 2026 between 3:00am and 3:00pm All RevenueSA Online users
August From 5:00pm Friday 28 August 2026 to 10:00am Saturday 29 August 2026 Certificate users
September From 5:00pm Friday 4 September 2026 to 10:00am Saturday 5 September 2026 Certificate users
September From 5:00pm Friday 11 September 2026 to 10:00am Saturday 12 September 2026 Certificate users
September From 5:00pm Friday 18 September 2026 to 10:00am Saturday 19 September 2026 Certificate users
September Saturday 19 September 2026 between 3:00am and 3:00pm All RevenueSA Online users
October Saturday 17 October 2026 between 3:00am and 3:00pm All RevenueSA Online users
November Saturday 21 November 2026 between 3:00am and 3:00pm All RevenueSA Online users
December Saturday 19 December 2026 between 3:00am and 3:00pm All RevenueSA Online users

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