(A) It is the purpose of this subarticle to encourage the voluntary acceptance of any service offered by the department in connection with child abuse and neglect or another problem of a nature affecting the stability of family life.

(B) The department must be staffed adequately with persons trained in the investigation of suspected child abuse and neglect and in the provision of services to abused and neglected children and their families.

(C) The department actively must seek the cooperation and involvement of local public and private institutions, groups, and programs concerned with matters of child protection and welfare within the area it serves.

(D) In all instances, the agency must act in accordance with the policies, procedures, and regulations promulgated and distributed by the State Department of Social Services pursuant to this chapter.