Members of the Board who are State officers or employees shall receive no salary for serving on the Board, but shall be reimbursed for their expenses in accordance with G.S. 138-6. Members of the Board who are full-time salaried public officers or employees other than State officers or employees shall receive no salary for serving on the Board, but shall be reimbursed for subsistence and travel expenses in accordance with G.S. 138-5(a)(2) and (3). All other members of the Board shall receive compensation and reimbursement for expenses in accordance with G.S. 138-5(a). (1977, c. 531, s. 1.)