On state property where vending facilities are being operated by those other than the blind, when the present contract or agreement expires or is terminated for any reason or when a change in the present vending facility is imminent, the future planned vending facility for such state property shall be covered by this subchapter, and state agency administrators shall contact the licensing agency to assure preference for the blind. Provided, however, leases executed under § 22-2-114 prior to June 1, 1999, shall not be considered a contract or agreement within this subchapter if the property is owned by the Building Authority Division.