Tex. Elec. Code § 64.031
A voter is eligible to receive assistance in marking or reading the ballot, as provided by this subchapter, if the voter cannot prepare or read the ballot because of:
Acts 1985, 69th Leg., ch. 211, Sec. 1, eff. Jan. 1, 1986.
Acts 2021, 87th Leg., 2nd C.S., Ch. 1 (S.B. 1), Sec. 6.02, eff. December 2, 2021.