Acts 1965, 59th Leg., vol. 2, p. 317, ch. 722.

Amended by Acts 1979, 66th Leg., p. 1033, ch. 463, Sec. 1, eff. June 7, 1979.

Amended by:

Acts 2019, 86th Leg., R.S., Ch. 469 (H.B. 4173), Sec. 3.01, eff. January 1, 2021.

Text of article effective until January 01, 2021