No person may operate and no owner may permit operation of a snowmobile which is subject to the snowmobile trail sticker requirement of s. 350.12(3), Stats., unless a snowmobile trail sticker is permanently affixed by its own adhesive to the bottom center portion of the snowmobile windshield. If there is no windshield, the sticker shall be displayed in a highly visible location on the front of the cowling of the snowmobile.
Wis. Admin. Code Department of Natural Resources NR 6.11