§ 409-l. Advisory board. An advisory board shall be established by the commissioner to assist in the development and implementation of the case management provisions. It will be the responsibility of this board to assist in the development of various service models that local social services districts shall employ, assist in the formulation of appropriate procedures for evaluating such case management services, and determine the fiscal impact of such services as defined in section four hundred nine-j of this title. Appointments to the advisory board shall be obtained from public and private organizations providing teenage and child welfare services.