(a) The chairman of a commission shall be elected by the commission from among its members for a two-year term, but no person shall serve as chairman if, after his election to office, he ceases to be a member of the commission. A chairman may succeed himself.

(b) The chairman of a commission shall preside at all meetings of the commission. The chairman shall appoint all officers and committees of the commission, subject to the approval of the commission, and be responsible for carrying out all policy decisions of the commission. The chairman's salary and expense allowances shall be fixed by the commission.

(c) A chairman may be removed from office by the commission.