Tex. Educ. Code § 86.23
(b) This section does not apply to:
Added by Acts 1991, 72nd Leg., ch. 132, Sec. 1, eff. Aug. 26, 1991.
Acts 2005, 79th Leg., Ch. 1234 (H.B. 1409), Sec. 1, eff. June 18, 2005.