§ 407. Powers of department of social welfare. The department is hereby authorized and required:

1. to prepare a plan or plans for such child welfare services and upon their approval by such federal authority to execute the same. Such plans shall make provision for coordination between the services provided under such plans and the services provided as family assistance under title ten of article five with the view of providing welfare and related services which will best promote the welfare of children and their families.

2. to allocate and disburse to districts, counties or other local subdivisions of the state such amounts from moneys received by the state under the provisions of this title as are available for payment of part of the cost of district, county or other local child welfare services in accordance with such approved plans. Such district, county and other local subdivisions of the state are hereby authorized to receive and expend such allotments but only for the purposes of such plans and subject to the supervision and general direction of the department. Such district, county and other local subdivisions shall, when required by the department to comply with the provisions of such approved plan, perform the functions required.

3. to develop within the department services for the encouragement and assistance of adequate methods of community child welfare organization in accordance with such approved plans.

4. to establish and to alter and amend such regulations as may be necessary for the administration of such plans and the provisions of this title.

5. to prepare for inclusion in the annual report required by subdivision (d) of section seventeen of this chapter to be filed with the governor and the legislature prior to the fifteenth day of December of each year, a written evaluation report of the delivery of child welfare services in the state. Such evaluation report shall include, but need not be limited to, supervision of foster care and the agencies providing such care, information on the types of problems creating the need for foster care placements, preventive and protective services, the transfer of children in care and the reasons therefor, identification of target groups not receiving adequate services, and projected plans for providing services to such groups. Such report shall include progress made and problems encountered in the implementation of "the child welfare reform act of 1979", and amendments thereto. Such report shall also include aggregate expenditures; persons receiving services; cost comparisons among social services districts, among types of services and services programs, and among fiscal periods; unit costs; and cost-effectiveness of the provision of preventive services pursuant to title four of this chapter. In developing such evaluation, the department shall consult and coordinate with the board of social welfare, the division for youth, and the departments of mental hygiene, health and education.