Code 1932, § 7979; modified; T.C.A. (orig. ed.), § 64-1903; Acts 1983, ch. 463, § 3; 1984, ch. 866, § 1; 1996, ch. 868, §§ 1, 6, 8; 1997, ch. 73, §§ 1, 5; 1998, ch. 733, § 1; 1998, ch. 760, § 2; 1998, ch. 1027, §§ 1-3, 5; 1999, ch. 1, § 3; 1999, ch. 235, § 1; 2004, ch. 460, § 1; 2005, ch. 275, § 1; 2011, ch. 244, § 2; 2014, ch. 886, § 2.