[Acts 1989, ch. 591, § 1; 1990, ch. 1029, § 6; 2007, ch. 412, § 1; 2007, ch. 594, § 3; 2008, ch. 1166, § 1; 2008, ch. 1176, § 1; 2009, ch. 431, § 1; 2009, ch. 455, § 6.]