It shall be the duty of the department and the department is authorized:
RSA 485-A:4
1989, 339:1. 1990, 3:86, 87; 248:2; 252:11. 1991, 240:1; 371:1. 1993, 172:3. 1995, 310:182, 183. 1996, 228:106. 1998, 102:4; 230:2. 2000, 326:1, 2. 2002, 96 : 3 ; 240:2. 2003, 319 : 9 . 2004, 257 : 44 , eff. July 1, 2004. 2015, 259 : 9 , 10, eff. July 1, 2015. 2017, 156 : 64 , eff. July 1, 2017. 2021, 91 : 198 , eff. July 1, 2021.