The department in coordination with the council on children's mental health care shall promote effective advocacy for services and supports for all children with serious emotional disturbance, mental illness, or developmental disabilities. The department's responsibilities for children shall include, but not be limited to:
(1) Promoting collaboration among care givers and service providers and equitable involvement of care givers in service plan development;
(2) Case finding after the department has adopted rules regarding service and support to children;
(3) Determining eligibility;
(4) Providing basic service standards;
(5) Facilitating the interdepartmental planning process for children through the statewide and regional planning and policy councils;
(6) Initiating meetings or other processes to develop local interagency agreements as needs and problems are identified by service providers, advocates, or families;
(7) Assisting children and their families to gain access to the system of services and supports;
(8) Defining and listing an array of services and supports; and
(9) Assisting youth who have been in the public system of care with transition to adult services.