Source. 1970, 55:1. 1977, 469:7-12. 1981, 568:25. 1983, 398:2, 469:80. 1985, 300:7, I(b). 1989, 408:102, eff. July 1, 1989. 2009, 144:240, eff. July 1, 2009. 2011, 224:319, eff. July 1, 2011. 2014, 291:2, eff. Sept. 26, 2014. 2015, 256:3, eff. Jan. 1, 2016.