California Code, Government Code - GOV § 14503

(a) Other than ex officio members, the members of the commission shall hold office for terms of four years, and until their successors are appointed, except as otherwise provided in this section.

(b) In the case of the members initially appointed by the Governor, three shall be appointed to serve until February 1, 1979, two until February 1, 1980, two until February 1, 1981, and two until February 1, 1982.

(c) The members appointed by the Speaker of the Assembly and the Senate Committee on Rules pursuant to subdivision (a) of Section 14502 shall hold office for terms of four years, and until their successors are appointed.

(d) Vacancies shall be filled by the appointing authority for the unexpired portion of the terms in which they occur.