(2) The Chief Justice of the Supreme Court shall represent the judicial department in collective bargaining negotiations with the certified or recognized exclusive representatives of all appropriate bargaining units of officers and employees of the courts of this state who are state officers or employees. The Chief Justice may delegate such collective bargaining responsibility to the state court administrator. [1973 c.536 §10; 1979 c.468 §25; 1983 c.763 §64]