The child's counsel or the prosecuting attorney may object to a referee presiding at a hearing. This objection shall be in writing and filed with the court within three (3) days after being informed that the matter is to be heard by a referee or the right to object is waived. The court may permit the filing of a written objection at any time. After the filing of an objection, a judge shall hear any motion and preside at any hearing.
Minn. R. Juv. P. 23.02