Added by Acts 2001, 77th Leg., ch. 2, Sec. 2, eff. April 5, 2001. Amended by Acts 2003, 78th Leg., ch. 13, Sec. 4, eff. Sept. 1, 2003.

Amended by:

Acts 2011, 82nd Leg., R.S., Ch. 278 (H.B. 1573), Sec. 7, eff. September 1, 2011.

Acts 2011, 82nd Leg., R.S., Ch. 366 (S.B. 122), Sec. 3, eff. September 1, 2011.