Tex. Nat. Res. Code § 86.085
On or before the last day of each month, the commission or a person authorized by the commission shall determine:
Acts 1977, 65th Leg., p. 2534, ch. 871, art. I, Sec. 1, eff. Sept. 1, 1977.
Amended by Acts 1993, 73rd Leg., ch. 270, Sec. 1, eff. May 24, 1993.
Acts 2005, 79th Leg., Ch. 881 (S.B. 1170), Sec. 3, eff. June 17, 2005.