Acts 1965, 59th Leg., vol. 2, p. 317, ch. 722. Amended by Acts 1995, 74th Leg., ch. 1005, Sec. 1, eff. Sept. 1, 1995. Renumbered from Vernon's Ann.C.C.P. art. 45.40 and amended by Acts 1999, 76th Leg., ch. 1545, Sec. 33, eff. Sept. 1, 1999.