The Premier, by instrument, may delegate any of the Premier's functions under this Act, except this power of delegation, to any of the following persons—
(a) the Special Minister for State;
(b) the Secretary to the Department of Premier and Cabinet;
(c) a person (other than the Secretary) employed under Part 3 of the Public Administration Act 2004 in the Department of Premier and Cabinet as an executive within the meaning of that Act.