Source. 1927, 54:1. 1937, 161:1. 1941, 198:4. RL 122:1. 1949, 188:1. RSA 263-B:2(b); 268:1, IV; 269-A:1, X. 1963, 252:1. 1967, 357:1. 1981, 146:1; 568:144. 1989, 319:15. 1996, 255:2, eff. Aug. 9, 1996.