California Code, Fish and Game Code - FGC § 102

(a) The commissioners shall annually elect one of their number as president and one as vice president, by a concurrent vote of at least three commissioners.

(b) The president or vice president may be removed from the position of president or vice president by a vote, at any time, of at least three commissioners.

(c) In the event of a vacancy in either the position of president or vice president, the commission shall fill that vacancy at the next regularly scheduled meeting of the commission.  The elected successor president or vice president shall serve for the unexpired term of the predecessor until the annual election pursuant to subdivision (a).

(d) The commission may not adopt or enforce a policy or a regulation that provides for the president and vice president to be chosen by seniority nor may the commission adopt or enforce any other policy or regulation that would make a commissioner ineligible to be elected as president or vice president of the commission.