(_a_) The presence of all four members of the Tribunal or the alternate for any absent member shall be necessary to constitute the quorum. (_b_) The members of the Tribunal shall, before any trial begins, agree among themselves upon the selection from their number of a President, and the President shall hold office during that trial, or as may otherwise be agreed by a vote of not less than three members. The principle of rotation of presidency for successive trials is agreed. If, however, a session of the Tribunal takes place on the territory of one of the four Signatories, the representative of that Signatory on the Tribunal shall preside. (_c_) Save as aforesaid the Tribunal shall take decisions by a majority vote and in case the votes are evenly divided, the vote of the President shall be decisive: provided always that convictions and sentences shall only be imposed by affirmative votes of at least three members of the Tribunal. =Article 5.= In case of need and depending on the number of the matters to be tried, other Tribunals may be set up; and the establishment, functions, and procedure of each Tribunal shall be identical, and shall be governed by this Charter. II. JURISDICTION AND GENERAL PRINCIPLES =Article 6.= The Tribunal established by the Agreement referred to in Article 1 hereof for the trial and punishment of the major war criminals of the European Axis countries shall have the power to try and punish persons who, acting in the interests of the European Axis countries, whether as individuals or as members of organizations, committed any of the following crimes. The following acts, or any of them, are crimes coming within the jurisdiction of the Tribunal for which there shall be individual responsibility: (_a_) CRIMES AGAINST PEACE: namely, planning, preparation, initiation or waging of a war of aggression, or a war in violation of international treaties, agreements or assurances, or participation in a common plan or conspiracy for the accomplishment of any of the foregoing; (_b_) WAR CRIMES: namely, violations of the laws or customs of war. Such violations shall include, but not be limited to, murder, ill-treatment or deportation to slave labor or for any other purpose of civilian population of or in occupied territory, murder or ill-treatment of prisoners of war or persons on the seas, killing of hostages, plunder of public or private property, wanton destruction of cities, towns or villages, or devastation not justified by military necessity;