Source. 1947, 216:1, par. 9. RSA 151:9. 1961, 237:1. 1979, 399:8. 1981, 460:8. 1983, 274:5; 291:1, I. 1985, 190:13, 83. 1986, 230:3. 1988, 156:7, 8. 1991, 355:40; 365:9. 1994, 403:1. 1995, 310:170, VI, 181, 182. 2002, 101:1. 2004, 5:1, 2, eff. May 18, 2004. 2005, 293:4, eff. July 1, 2005 at 12:01 a.m. 2007, 199:1, eff. Aug. 17, 2007. 2009, 225:2, eff. Jan. 1, 2010.