(1) The Minister may exercise any power and perform any function conferred on the Minister by Part 5 of the Commonwealth Act, including any power or function of the Minister as a member of a Joint Authority.
(2) If in the exercise of the power conferred on the Minister by Part 5 of the Commonwealth Act, the Minister appoints a deputy, the deputy may exercise the powers and perform the functions conferred by that Act on the deputy of a member of a Joint Authority other than the Commonwealth Minister.