(a) All powers granted a district created under this chapter shall be executed by a board of directors. The board shall equal a total of nine (9) directors, which members shall be ascertained by the circuit court according to the population of each entity which is enumerated in the formation order creating the district.

(b) When the circuit court has established any such district, it shall, within a reasonable time thereafter, appoint one (1) director from each of the entities to act as director of said district, and the remaining number of directors as previously ascertained by the court shall be appointed by the city council of the entity within which they are domiciled.

(c) Each of the directors, and all directors appointed thereafter, shall take the oath of office required by Arkansas Constitution, Article 19, § 20, and shall also swear that he will not, directly or indirectly, be interested in any contract made by the board.

(1) Any commissioner failing to take the oath within thirty (30) days after his appointment or election shall be removed from office, and his place shall be filled as are other vacancies.

(2) All oaths of directors shall be executed in writing and filed in the office of the circuit clerk in the county where the petition was originally filed.

(d) Each director shall serve a term as set forth in the district's bylaws, but not to exceed four (4) years. Initial appointments shall be of varying lengths so that no more than one (1) director for each entity shall be replaced at any one time.

(e) Three (3) directors shall be appointed by the governing body of each participating entity which they are to represent.

(f) The petition shall be filed with the county board of election commissioners at least sixty (60) days prior to the general election.

(g) Any director who resigns or vacates his office for any reason other than expiration of his term shall be replaced by the entity he represented.