The court, on motion of the child's counsel, shall vacate the finding that the allegations of the charging document are proved and dismiss the charging document if it fails to charge an offense or if the court was without jurisdiction of the offense charged. The motion shall be made within fifteen (15) days of the finding that the allegations of the charging document are proved or within such time as the court may fix during the fifteen (15) day period. If the motion is granted, the court shall make written findings specifying its reasons for vacating the finding that the allegations of the charging document are proved and dismissing the charging document.
Minn. R. Juv. P. 16.02