Suppression of evidence. Motions to suppress evidence shall be raised by motion

of the juvenile specifying the ground upon which the juvenile claims the search and seizure to be unlawful. Motions to suppress evidence shall be filed not later than the time set by the court for said filing and in any event not less than ten calendar days prior to the adjudicatory hearing, except for good cause shown. [Report April 7, 2000, effective July 1, 2000; November 9, 2001, effective February 15, 2002]