With respect to the individuals, groups, undertakings and entities referred to in Article 1, Member States shall take the necessary measures to prevent the direct and indirect supply, sale or transfer to them, from the territories of Member States or by nationals of Member States, or using flag vessels or aircraft of Member States, of arms and related materiel of all types including weapons and ammunition, military vehicles and equipment, paramilitary equipment, and spare parts for the aforementioned, and technical advice, assistance or training related to military activities.