Tex. Government Code § 855.102: RULEMAKING.

(a) The board of trustees shall adopt rules and perform reasonable activities it finds necessary or desirable for efficient administration of the system.

(b) The board may adopt and enforce rules concerning:

(1) the time that a municipality electing to participate in the system begins its participation; or

(2) notice, information, and reports required of municipalities electing to participate in the system.

Acts 1981, 67th Leg., p. 1876, ch. 453, Sec. 1, eff. Sept. 1, 1981. Renumbered from Vernon's Ann.Civ.St. Title 110B, Sec. 65.102 by Acts 1989, 71st Leg., ch. 179, Sec. 1, eff. Sept. 1, 1989.