As used in this part, the following definitions apply:
(1) "Agency head" means a director, commissioner, or constitutional officer in charge of an executive, legislative, or judicial branch agency or an agency of the Montana university system. The term includes the president or other person in charge of a public retirement board or a unit of the Montana university system.
(2) "Department" means the department of administration provided for in 2-15-1001.
(3) (a) "Employee" means an employee of the executive, legislative, or judicial branch or the Montana university system.
(b) The term does not include a student intern, as defined in 2-18-101.
(4) "Group or team of employees" means a group, team, or work unit of employees working cooperatively.