(a) After a complaint has been filed pursuant to this subchapter, the court may direct that a predisposition study be made by the appropriate agency, authorized by law, the results of which study shall be contained in a report submitted in writing to the court. The study shall include information concerning the child, the family, his environment, and any other matters relevant to the disposition of the case. The study and report shall not be made prior to a finding with respect to the allegations of the complaint unless a notice of intent to admit the allegations is filed or unless the child or counsel for the child waives the right.
(b) The Family Division judge may not review a predispositional study or report prior to a finding of delinquency or that the child is a person in need of supervision.