(a) The amount of payments to be paid by the state to any organization which provides employment opportunities and day services for persons referred by any state agency shall be determined annually by the Commissioners of Developmental Services, Social Services, Mental Health and Addiction Services and any other state agency which purchases employment opportunities and day services using a uniform payment system. Nothing contained herein shall authorize a payment by the state in excess of the charges for comparable services to the general public.

(b) The Commissioner of Developmental Services, in consultation with the Commissioners of Mental Health and Addiction Services, Social Services and any other agency which pays for employment opportunities and day services, shall adopt regulations, in accordance with chapter 54, to implement the provisions of subsection (a) of this section.