Tex. Tax Code § 24.38
Before July 26, the comptroller shall certify to the county assessor-collector for each county in which a railroad operates:
Acts 1979, 66th Leg., p. 2268, ch. 841, Sec. 1, eff. Jan. 1, 1980.
Amended by Acts 1983, 68th Leg., p. 4825, ch. 851, Sec. 16, eff. Aug. 29, 1983;
Acts. 1991, 72nd Leg., 2nd C.S., ch. 6, Sec. 38, eff. Sept. 1, 1991.
Acts 2009, 81st Leg., R.S., Ch. 908 (H.B. 1309), Sec. 1, eff. January 1, 2010.