14(1)The Minister of Energy, the Minister of Natural Resources and the Minister of Transportation and Infrastructure may each at any time hold an inquiry into any matter connected with his or her department, and for that purpose shall have all the powers herein given to commissioners appointed under section 2, and all the provisions of this Act in reference to witnesses, evidence, production of documents, commitment for refusal to appear or testify, and preservation of order in the court on such inquiry shall apply and extend to the Minister of Energy, the Minister of Natural Resources and the Minister of Transportation and Infrastructure, and to all acts, matters and things done by any of them in the course of such inquiry, or preliminary thereto or consequent thereon.