Source. RSA 262-B:2, I. 1969, 433:1. 1973, 584:1. 1975, 496:1. 1981, 146:1. 1987, 238:1. 1989, 305:25. 1990, 60:2. 2001, 132:1. 2006, 260:13. 2008, 62:1. 2010, 251:1, eff. Sept. 4, 2010.