Tex. Elec. Code § 122.033
In addition to other requirements for approval, a voting machine must be equipped with:
Acts 1985, 69th Leg., ch. 211, Sec. 1, eff. Jan. 1, 1986.
Amended by Acts 1987, 70th Leg., ch. 484, Sec. 4, eff. Sept. 1, 1987.
Acts 2005, 79th Leg., Ch. 1107 (H.B. 2309), Sec. 2.05, eff. January 1, 2006.