(a) The commissioners court of a county in which a district is created under this chapter shall appoint a board of hospital managers composed of not less than five or more than seven members.
(b) The commissioners court of a county with a population of more than 2.1 million but less than 2.5 million in which a district is created under this chapter shall appoint a board composed of not less than five or more than 15 members.

(c) The Harris County Commissioners Court shall appoint a board composed of not less than seven or more than nine members.
(d) If a district is created under this chapter in a county with a population of more than 1.2 million that was not included in the boundaries of a hospital district before September 1, 2003, the district shall be governed by a nine-member board of hospital managers, appointed as follows:
(1) the commissioners court of the county shall appoint four members;
(2) the governing body of the municipality with the largest population in the county shall appoint four members; and
(3) the commissioners court and the governing body of the municipality described by Subdivision (2) shall jointly appoint one member.
(e) The El Paso County Commissioners Court shall appoint a board composed of seven members, and shall by order provide for the qualifications of appointees to the board.