Application of the Convention
Article 18.(1.Apart from the provisions which shall take effect in time of peace, the present Convention shall apply in the event of declared war or of any other armed conflict which may arise between two or more of the High Contracting Parties, even if the state of war is not recognized by one or more of them.
(2.The Convention shall also apply to all cases of partial or total occupation of the territory of a High Contracting Party, even if the said occupation meets with no armed resistance.
(3.If one of the Powers in conflict is not a Party to the present Convention, the Powers which are Parties thereto shall nevertheless remain bound by it in their mutual relations. They shall furthermore be bound by the Convention, in relation to the said Power, if the latter has declared that it accepts the provisions thereof and so long as it applies them.