Decides that all States shall prevent the sale or supply, by their nationals or from their territories or using their flag vessels or aircraft, of petroleum or petroleum products or arms and related materiel of all types, including weapons and ammunition, military vehicles and equipment, police equipment and spare parts for the aforementioned, whether or not originating in their territories, to any person or body in Haiti or to any person or body for the purpose of any business carried on in or operated from Haiti, and any activities by their nationals or in their territories which promote or are calculated to promote such sale or supply;