The officers appointed to hold elections in Conecuh County shall each be entitled to twenty-five dollars ($25). The returning officer shall also be entitled to mileage as prescribed in Section 17-8-12. The several claims shall be paid as preferred claims, out of monies in the county treasury not otherwise appropriated, on proper proof of service rendered. However, amounts paid to election officers under this section for compensation, per diem, or mileage in excess of the amounts prescribed by general laws shall not in any case be reimbursable by the state.