Members of Boards and Commissions of various state departments or agencies or commissions, who are paid solely on a per diem and expense basis, shall not be considered as in state service within the meaning of this term as it applies to employment of the state. Members of such Boards or Commissions, who are paid a stipulated salary monthly for their services, shall be considered as employees in state service.
27 Miss. Code. R. 210-06-101