3. If in any such case the member of the Court and the President disagree, the matter shall be settled by the decision of the Court. Article 25 1. The full Court shall sit except when it is expressly provided otherwise in the present Statute. 2. Subject to the condition that the number of judges available to constitute the Court is not thereby reduced below eleven, the Rules of the Court may provide for allowing one or more judges, according to circumstances and in rotation, to be dispensed from sitting. 3. A quorum of nine judges shall suffice to constitute the Court. Article 26 1. The Court may from time to time form one or more chambers, composed of three or more judges as the Court may determine, for dealing with particular categories of cases; for example, labour cases and cases relating to transit and communications. 2. The Court may at any time form a chamber for dealing with a particular case. The number of judges to constitute such a chamber shall be determined by the Court with the approval of the parties. 3. Cases shall be heard and determined by the chambers provided for in this article if the parties so request. Article 27 A judgment given by any of the chambers provided for in Articles 26 and 29 shall be considered as rendered by the Court. Article 28