For the purposes of this chapter:
(1) An "advisory body" is one which serves as an official consultant or advisor to a state agency without making formal policy decisions for the agency or its programs;
(2) A "legislative body" is one composed primarily of legislators pursuant to chapter 1-26, 1-26B, 2-6, 2-9, 2-11, 2-16, 4-8A, or 4-8B;
(3) A "management body" is a policymaking body which has additional duties, responsibilities, and authority such that they place additional demands upon the body's members in terms of attending meetings, dealing with state agencies and the public, and being knowledgeable in the body's specific subject area; and
(4) A "policymaking body" is one which monitors and directs the work of an agency by making official policy either through rule making, licensing, or regulatory authority.