Without limiting section 437A, the administrator of a company under administration has power to do any of the following:
(a) remove from office a director of the company;
(b) appoint a person as such a director, whether to fill a vacancy or not;
(c) execute a document, bring or defend proceedings, or do anything else, in the company's name and on its behalf;
(d) whatever else is necessary for the purposes of this Part.