(1) The heads of statutory departments, with the approval of the secretary of personnel, may establish such subordinate positions as may be necessary and make appointments thereto, within the limitations of their appropriations, and removals therefrom. All appointees to such positions shall be under the supervision, direction, and control of the heads of the respective departments and shall perform such duties as the heads of the departments prescribe. The appointment of all employees not otherwise provided for shall be made by the heads of the departments.
(2) The head of any department, with the approval of the secretary of personnel, may abolish unnecessary offices and positions, transfer officers and employees between positions, and change the duties, titles and compensation of existing offices and positions, subject to any provision of law in relation thereto.