The board and officers of the public library served by the library system defined in subparagraph (2) of the definition of "library system" in Section 2 shall administer that library system. That public library system shall annually submit a plan of service to be approved by the State Librarian. The plan of service shall include the provision of specified services for all types of libraries operating within the municipal territory of the system subject to approval or revision by the State Librarian. The multitype services shall be provided in consultation with the multitype library system defined in subparagraph (3) of the definition of "library system" in Section 2 serving the same municipal territory.
75 ILCS 10/6