Tex. Elec. Code § 162.003
A person becomes affiliated with a political party when the person:
Acts 1985, 69th Leg., ch. 211, Sec. 1, eff. Jan. 1, 1986.
Amended by Acts 1991, 72nd Leg., ch. 203, Sec. 2.62;
Acts 1991, 72nd Leg., ch. 554, Sec. 33, eff. Sept. 1, 1991.
Acts 2019, 86th Leg., R.S., Ch. 1131 (H.B. 2640), Sec. 3, eff. September 1, 2019.