h. accept petitions and examine them in consultation with the administering authority; c. provide for periodic visits to the respec· tive trust territories at times agreed upon with the administering authority; and d. take these and other actions in conformity with the terms of the trusteeship agreements. ·Article 88 The Trusteeship Council shall formulate a questionnaire on the political, economic, social, and educational advancement of the inhabitants of each trust territory, and the administering authority for each trust territory within the com· petence of the General Assembly shall make an annual report to the General Assembly upon the basis of such questionnaire. Voting Article 89 1. Each member of the Trusteeship Council shall have one vote. 2. Decisions of the Trusteeship Council shall be ma:de by a majority of the members present and voting.· CHAPTER XIV THE INTERNATIONAL COURT OF JUSTICE Article 92 The International Court of Justice shall be the principal judicial organ of the United Nations. It shall function in accordance with the annexed Statute, which is based upon the Statute of the Permanent Court of International Justice and forms an integral part of the present Charter. Article 93 1. All Members of the United Nations are ipso facto parties to the Statute of the International Court of Justice. 2. A state which is not a Member of the United Nations may become a party to the Statute of the International Court of Justice on conditions to be determined in each case by the General Assembly upon the recommendation of the Security Council. Article 94 l. Each Member of the United Nations under· 1. The Trusteeship Council shall adopt its own rules of procedure, including the method of select· ing its President. 2. The Trusteeship Council shall meet as re· quired in accordance with its rules, which shall include provision for the convening of meetings on the request of a majority of its members. takes to comply with the decision of the Inter· national Court of Justice in any case to which it is a party. 2. If any party to a case fails to perform the obligations incumbent upon it under a judgment rendered by the Court, the other party may have recourse to the Security Council, which may, if it deems necessary, make recommendations or de-cide upon measures to be taken to give effect to the judgment. Article 91 Ar.ticle 95 The Trusteeship Council shall,when appropri· ate, avail itself of the assistance of the Economic and Social Council and of the specialized agencies in regard to matters with which they are respectively concerned. Nothing in the present Charter shall prevent Members of the United Nations from entrusting the solution of their differences to other tribunala by virtue of agreements already in existence or which may be concluded in the future. Procedure Article 90 1'7