Article 19 Chambers 1. The General Affairs Section and the Human Rights Section may, at any time, constitute one or several chambers. The quorum required to constitute such chambers shall be determined in the Rules of Court. 2. A judgment given by any Section or Chamber shall be considered as rendered by the Court. Article 20 Sessions 1. The Court shall hold ordinary and extraordinary sessions. 2: The Court shall decide each year on the periods of its ordinary sessions. 8: Extraordinary sessions shall be convened by the President or at the request of the majority of the Judges. Article 21 Quorum 1. A quorum of nine (9) Judges shall be required for deliberations of the Full Court. 2. A quorum of five (5) Judges shall be required for the deliberations of the General Affairs Section. 3. A quorum of five (5) Judges shall be required for the deliberations of the Human and Peoples’ Rights Section. Article 22 Presidency, Vice-Presidency and Registry 1. At its first ordinary session after the election of the judges, the full Court shall elect its President as well as the Vice-President from the different lists for a period of three (3) years. The President and the Vice-President may be re-elected once. 2. The President shall preside over all sessions of the full Court and those of the Section to which he/she belongs; in the event of being unable to sit, the President shall be replaced by the Vice president for the full Court and by the most Senior Judge for the sessions of his/her Section.