Added by Acts 2007, 80th Leg., R.S., Ch. 1291 (S.B. 6), Sec. 2, eff. September 1, 2007.

Amended by:

Acts 2017, 85th Leg., R.S., Ch. 69 (S.B. 1203), Sec. 4, eff. September 1, 2017.

Acts 2017, 85th Leg., R.S., Ch. 685 (H.B. 29), Sec. 11, eff. September 1, 2017.