(1) Each office of Head of Agency specified in Column 2 of Division 1 of Part 1 of Schedule 1 is taken to be created by virtue of this Act.(2) If Column 2 of Division 1 of Part 1 of Schedule 1 is amended by the omission of the title or other description of an office, that office of Head of Agency is taken to be abolished by virtue of this Act.(3) If Column 2 of Division 1 of Part 1 of Schedule 1 is amended by amending the title or other description of an office of Head of Agency, the title or other description of that office is taken to be amended by virtue of this Act.(4) If the Commissioner has determined duties to be of a senior executive nature or equivalent specialist nature, the Premier may create an office to enable those duties to be performed.(5) The Premier may abolish an office created under subsection (4) .