The department shall have the power and duty to:
RSA 170-G:4
1983, 291:1; 416:1, 38, 39. 1985, 318:12; 367:9; 379:6; 380:53. 1986, 5:3. 1987, 402:5, 37, 38. 1988, 178:2, 6. 1990, 142:1. 1992, 216:2. 1993, 247:2. 1994, 212:2. 1995, 181:23, III; 310:175, 181, 183. 2000, 294:10. 2001, 117:3, eff. Aug. 25, 2001. 2009, 144:31, eff. July 1, 2009. 2010, Sp. Sess., 1:38, eff. July 1, 2010; Sp. Sess., 1:80, eff. June 10, 2010.