Tex. Elec. Code § 11.002
(a) In this code, "qualified voter" means a person who:
(3) has not been determined by a final judgment of a court exercising probate jurisdiction to be:
(4) has not been finally convicted of a felony or, if so convicted, has:
Acts 1985, 69th Leg., ch. 211, Sec. 1, eff. Jan. 1, 1986.
Amended by Acts 1987, 70th Leg., ch. 54, Sec. 23, eff. Sept. 1, 1987;
Acts 1991, 72nd Leg., ch. 16, Sec. 6.01, eff. Aug. 26, 1991;
Acts 1993, 73rd Leg., ch. 916, Sec. 27, eff. Sept. 1, 1993;
Acts 1997, 75th Leg., ch. 850, Sec. 1, eff. Sept. 1, 1997.
Acts 2007, 80th Leg., R.S., Ch. 614 (H.B. 417), Sec. 22, eff. September 1, 2007.
Acts 2011, 82nd Leg., R.S., Ch. 744 (H.B. 1226), Sec. 1, eff. June 17, 2011.