Tex. Elec. Code § 42.005
(a) A county election precinct, including a consolidated precinct, may not contain territory from more than one of each of the following types of territorial units:
Acts 1985, 69th Leg., ch. 211, Sec. 1, eff. Jan. 1, 1986.
Amended by Acts 1987, 70th Leg., ch. 54, Sec. 4(a), eff. Sept. 1, 1987;
Acts 1989, 71st Leg., ch. 114, Sec. 7, eff. Sept. 1, 1989.
Acts 2013, 83rd Leg., R.S., Ch. 143 (H.B. 1164), Sec. 1, eff. May 24, 2013.
Acts 2013, 83rd Leg., R.S., Ch. 143 (H.B. 1164), Sec. 2, eff. May 24, 2013.
Acts 2013, 83rd Leg., R.S., Ch. 143 (H.B. 1164), Sec. 4, eff. May 24, 2013.