Tex. Elec. Code § 42.002
(a) The county election precincts are the election precincts for the following elections:
Acts 1985, 69th Leg., ch. 211, Sec. 1, eff. Jan. 1, 1986.
Amended by Acts 1989, 71st Leg., ch. 114, Sec. 6, eff. Sept. 1, 1989.
Acts 2005, 79th Leg., Ch. 1042 (H.B. 1209), Sec. 1, eff. September 1, 2005.
Acts 2007, 80th Leg., R.S., Ch. 1261 (H.B. 2926), Sec. 1, eff. September 1, 2007.
Acts 2009, 81st Leg., R.S., Ch. 711 (H.B. 2847), Sec. 1, eff. September 1, 2009.
Acts 2015, 84th Leg., R.S., Ch. 549 (H.B. 2027), Sec. 1, eff. September 1, 2015.
Acts 2019, 86th Leg., R.S., Ch. 1085 (H.B. 1888), Sec. 7(1), eff. September 1, 2019.