15. Decides further that all states shall take the necessary measures to prevent, by their nationals or from their territories or using their flag vessels or aircraft;
a. the sale or supply to any entity or individual in Lebanon of arms and related materiel of all types, including weapons and ammunition, military vehicles and equipment, paramilitary equipment, and spare parts for the aforementioned, whether or not originating in their territories, and;
b. the provision to any entity or individual in Lebanon of any technical training or assistance related to the provision, manufacture, maintenance or use of the items listed in subparagraph (a) above, except that these prohibitions shall not apply to arms, related material, training or assistance authorised by the government of Lebanon or by Unifil as authorised in paragraph 11;