Source. 1947, 181:1, par. 12-b. RSA 262-A:76; 263:24. 1959, 104:1. 1963, 330:1. 1981, 146:1. 1989, 160:3, eff. Jan. 1, 1990. 2005, 177:38, eff. July 1, 2005. 2006, 259:24, eff. one day after passage of state operating budget for biennium ending June 30, 2009. 2007, 263:66, eff. June 29, 2007.