The department shall include the following internal organizational units performing the following major functions:
RSA 21-H:4
1983, 461:1. 1988, 170:1. 1993, 321:1, 2, eff. July 1, 1993. 1996, 159:8, eff. July 1, 1996. 1998, 270:1, eff. July 1, 1999. 2008, 313:1, 2, eff. July 1, 2008. 2009, 144:184, eff. July 1, 2009; 222:2, 8, eff. June 30, 2009; 283:2, eff. Sept. 27, 2009.