The superintendent may apply to the court for an order appointing him as receiver, if his appointment as receiver is not then in effect, and directing him to liquidate the business of a domestic insurer or of the United States branch of an alien insurer having trusteed assets in this State, whether or not there has been a prior order directing him to rehabilitate the insurer, upon any one or more of the following grounds: [1973, c. 585, §12 (AMD).]