5. The oral proceedings shall consist of the hearing by the Court of witnesses, experts, agents, counsel, and advocates. Article 44 1. For the service of all notices upon persons other than the agents, counsel, and advocates, the Court shall apply direct to the government of the state upon whose territory the notice has to be served. 2. The same provision shall apply whenever steps are to be taken to procure evidence on the spot. Article 45 The hearing shall be under the control of the President or, if he is unable to preside, of the Vice-President; if neither is able to preside, the senior judge present shall preside. Article 46 The hearing in Court shall be public, unless the Court shall decide otherwise, or unless the parties demand that the public be not admitted . Article 47 1. Minutes shall be made at each hearing and signed by the Registrar and the President. 2. These minutes alone shall be authentic. Article 48 The Court shall make orders for the conduct of the case, shall decide the form and time in which each party must conclude its arguments, and make all arrangements connected with the taking of evidence.