Added by Acts 2001, 77th Leg., ch. 923, Sec. 1, eff. Sept. 1, 2001. Amended by: Acts 2005, 79th Leg., Ch. 780 , Sec. 2, eff. September 1, 2005. Acts 2007, 80th Leg., R.S., Ch. 258 , Sec. 3.03, eff. September 1, 2007. Acts 2007, 80th Leg., R.S., Ch. 263 , Sec. 4, eff. June 8, 2007. Acts 2009, 81st Leg., R.S., Ch. 87 , Sec. 7.005, eff. September 1, 2009. Acts 2009, 81st Leg., R.S., Ch. 1280 , Sec. 6.05, eff. September 1, 2009. Acts 2009, 81st Leg., R.S., Ch. 1280 , Sec. 6.06, eff. September 1, 2009.