Artikel 26

1. To consider cases brought before it, the Court shall sit in a single-judge formation, in committees of three judges, in Chambers of seven judges and in a Grand Chamber of seventeen judges. The Court's Chambers shall set up committees for a fixed period of time.
2. At the request of the plenary Court, the Committee of Ministers may, by a unanimous decision and for a fixed period, reduce to five the number of judges of the Chambers.
3. When sitting as a single judge, a judge shall not examine any application against the High Contracting Party in respect of which that judge has been elected.
4. There shall sit as an ex offıcio member of the Chamber and the Grand Chamber the judge elected in respect of the High Contracting Party concerned. If there is none or if that judge is unable to sit, a person chosen by the President of the Court from a list submitted in advance by that Party shall sit in the capacity of judge.
5. The Grand Chamber shall also include the President of the Court, the Vice-Presidents, the Presidents of the Chambers and other judges chosen in accordance with the rules of the Court. When a case is referred to the Grand Chamber under Article 43, no judge from the Chamber which rendered the judgment shall sit in the Grand Chamber, with the exception of the President of the Chamber and the judge who sat in respect of the High Contracting Party concerned.