Tex. Tax Code § 152.064
(b) The tax assessor-collector of each county shall:
Acts 1981, 67th Leg., p. 1592, ch. 389, Sec. 1, eff. Jan. 1, 1982.
Amended by Acts 1983, 68th Leg., p. 1361, ch. 280, Sec. 2, eff. Sept. 1, 1983;
Acts 1997, 75th Leg., ch. 357, Sec. 1, eff. Jan. 1, 1998.