Source. 1947, 216:1, par. 2. RSA 151:2. 1959, 236:1. 1969, 379:1. 1975, 265:1. 1976, 11:1. 1979, 95:1; 399:2. 1985, 302:1. 1988, 156:1. 1990, 140:2, XI. 1991, 365:2. 1995, 310:8. 1996, 146:1, 2. 1998, 388:4. 2002, 101:2, eff. Jan. 1, 2003. 2008, 271:6, eff. June 26, 2008. 2012, 41:1, 2, eff. July 1, 2012; 282:8, eff. June 30, 2015. 2015, 143:9, eff. Aug. 11, 2015; 276:203, eff. June 30, 2016. 2018, 298:3, eff. June 25, 2018. 2019, 287:1, eff. Sept. 17, 2019; 326:13, eff. Aug. 16, 2019.