Published on 18 January 2019
The State Revenue Office is conducting system upgrades between 5.30pm on Friday 18 January 2019 and 11.45pm on Saturday 19 January 2019.
During these upgrades, a number of our web-based systems and applications, including calculators, will be unavailable.
All affected e-business applications will display advice messages regarding their unavailability during this period.
We thank you for your understanding as we perform this necessary work and apologise for any inconvenience it may cause you.