Source. RSA 262:1-a. 1957, 292:1. 1963, 142:1. 1969, 244:1. 1971, 415:1. 1974, 45:4. 1981, 146:1. 1982, 42:155. 1983, 469:105. 1993, 295:1. 1995, 308:5. 1997, 252:1. 2009, 144:198, 199. 2011, 224:5, eff. July 1, 2011. 2015, 243:12, eff. Jan. 1, 2016.