There is an application by ASIC to wind up all 21 Diploma companies not just the 3 in administration. The court date is 4th May 10.45.
https://thewest.com.au/business/com...ding-while-insolvent-for-a-year-ng-b88458704z
"Diploma Group’s main construction arm may have been insolvent for at least 11 months before the builder-developer’s $60 million collapse, according to administrators."
https://insolvencynotices.asic.gov....s?notice=f1aef550-d3b6-4fae-a113-d46e233596db