The liquidators for Linc Energy have launched a legal challenge to the Queensland government's environmental protection order on its operation near Chinchilla, claiming liquidated companies should not need to comply.

Former Linc Energy chief executive Peter Bond was issued with the order in May, requiring him to take steps to rehabilitate contaminated soils at the Hopeland underground coal gasification site and decommission most of the associated dams. It was the first time the government had used its chain of responsibility…