Sec. 21.107. AVIATION FACILITIES DEVELOPMENT PROGRAM. (a) The commission, with the advice of the aviation advisory committee, through the preparation and adoption of an aviation facilities development program, shall provide for a statewide airport system to serve the state's air transportation needs for the least practicable cost. (b) The program must identify: (1) the requirements for aviation facilities; (2) the location of aviation facilities; (3) the timing of aviation facilities; (4) eligibility for funding; and (5) the investment necessary for the program. Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.