Australian Taxation OfficeCRT Alert 013/2021 – Christmas shutdown notification8 December 20210Comments by Australian Taxation Office From 11:30pm Australian eastern daylight time (AEDT) 27 December we will be undertaking systems maintenance until 7am AEDT on 4 January 2021.Go to Source Author: Australian Taxation Office ATO News Australian Taxation OfficeAustralian Taxation Office