(a) The Adjutant General shall have the authority:
(1) To hire and set the salaries or compensation of sufficient employees for the operation of canteens and exchanges;
(2) To enter into contracts or agreements with wholesalers, distributors, or suppliers of inventory items for stocking the canteens and exchanges;
(3) To prescribe a system of bookkeeping, accounting, and auditing procedures for the proper handling of funds derived from the operations of canteens and exchanges; and
(4) To prescribe rules governing the operation of the canteens and exchanges on military reservations and military properties.
(b) Employees of canteens and exchanges are not subject to the Uniform Classification and Compensation Act, § 21-5-201 et seq.