In each case heard by the commissioner, notice of the findings and recommendations of the commissioner, together with a statement that the matter is being transferred to a judge, shall be given to the parties whose case or proceeding has been heard by the commissioner and, where appropriate, to the juvenile, the juvenile’s custodian and any other person that the court may direct. This notice may be given at the hearing or by mail or other service directed by the court. The notice shall be given in writing unless given orally in person at the hearing to the parties on the record.