When the child is returned to the custody of the court for parole supervision by the court service unit or the local department of social services for supervision, and, after a full investigation, the court is of the opinion that the child should not be placed in his home or is in need of treatment, and there are no funds available to board and maintain the child or to purchase the needed treatment services, the court service unit or the local department of social services shall arrange with the Director of the Department of Juvenile Justice for the boarding of the child in a foster home or with any private institution, society or association or for the purchase of treatment services. In determining the proper placement for such a child, the Department may refer the child to the locality’s family assessment and planning team for assessment and recommendation for services. The cost of maintaining such child shall be paid monthly, according to schedules prepared and adopted by the Department, out of funds appropriated for such purposes. Treatment services for such child shall be paid from funds appropriated to the Department for such purpose.