(a) The board may, on its own motion, order that board members are to be elected in even-numbered years to serve staggered four-year terms.
(b) The first election of board members in an even-numbered year that occurs at least 120 days after the date on which an order is entered under Subsection (a) shall be held as previously scheduled. The three candidates receiving the highest number of votes at that election serve for a term of four years. The remaining two directors elected at that election serve for a term of two years. Subsequent members shall be elected in even-numbered years and shall serve four-year terms.