"No party to a controversy shall assume any authority or perform any acts based upon disputed rights without authorization of the Supervisory Committee, such authorization being limited in all cases to the pendency of the controversy and its final settlement and being in no way prejudicial to the rights of the parties. An authorization thus granted by the Supervisory Committee may be modified or superseded by mutual agreement of the parties, by order of an arbitrator or arbitrators selected by the parties, or by order of the Arbitral Tribunal if the controversy is submitted to it. "_Clause 3_ "The foregoing clause shall not apply to cases in which the constituted authorities of a power are unable or fail to give protection to the lives and property of nationals of another power. In the event that it becomes necessary for a power to use its military or naval forces to safeguard the lives or property of its nationals within the territorial jurisdiction of another power, the facts and reasons for such action shall be forthwith reported to the Supervisory Committee, which shall determine the course of action to be adopted in order to protect the rights of all parties, and shall notify the same to the governments involved which shall comply with such notification. In the event that a government fails to comply therewith it shall be deemed to have violated the covenant and guaranty hereinbefore set forth." The other articles follow: "ARTICLE IV "_Revision of Arbitral Tribunal and Codification of International Law_ "_Clause 1_ "The International Council, within one year after its organization, shall notify to the powers signatory and adherent to this convention and shall invite all other powers to send delegates to an international conference at such place and time as the Council may determine and not later than six months after issuance of such notification and invitation. "_Clause 2_ "The International Conference shall consider the revision of the constitution and procedure of the Arbitral Tribunal and provisions for the amicable settlement of international disputes established by the I Treaty signed at The Hague in 1907, and shall formulate codes embodying the principles of international law applicable in time of peace and the rules of warfare on land and sea and in the air. The revision and codification when completed shall be embodied in a treaty or treaties. "_Clause 3_ "The International Council shall prepare and submit with the notification and invitation above provided a preliminary programme of the International Conference, which shall be subject to modification or amendment by the Conference. "_Clause 4_