Subd. 4. Governance. (a) In any area where the boundaries of a proposed multicounty, multitype library system coincide with the boundaries of the regional library system or district, the regional library system or district board shall be designated as the governing board for the multicounty, multitype library system. In any area where a proposed multicounty, multitype library system encompasses more than one regional library system or district, the governing board of the multicounty, multitype library system shall consist of nine members appointed by the cooperating regional library system or district boards from their own membership in proportion to the population served by each cooperating regional library system or district. In each multicounty, multitype library system there shall be established an advisory committee consisting of two representatives of public libraries, two representatives of school media services, one representative of special libraries, one representative of public supported academic libraries, and one representative of private academic libraries. The advisory committee shall recommend needed policy to the system governing board.