Annually, the voting members of the board shall elect from among the voting members a chairperson and vice chairperson, and other officers as necessary. If the office of the chairperson or vice chairperson becomes vacant, a new chairperson or vice chairperson shall be elected by the voting members of the board to serve for the remainder of the term. The chairperson shall be selected from among the members specified in paragraphs (3) to (7), inclusive, of subdivision (a) of Section 32330.
Ca. Pub. Res. Code § 32332