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. ARTICLE 27 (b) declare it admissible and render at the same time a judgment on the merits, if the underlying question in the case, concerning the interpretation or the application of the Convention or the Protocols thereto, is already the subject of well-established case-law of the Court. 2. Decisions and judgments under paragraph 1 shall be final. 3. If the judge elected in respect of the High Contracting Party concerned is not a member of the committee, the committee may at any stage of the proceedings invite that judge to take the place of one of the members of the committee, having regard to all relevant factors, including whether that Party has contested the application of the procedure under paragraph 1.(b). Competence of single judges ARTICLE 29 1. A single judge may declare inadmissible or strike out of the Court’s list of cases an application submitted under Article 34, where such a decision can be taken without further examination. Decisions by Chambers on admissibility and merits 2. The decision shall be final. 3. If the single judge does not declare an application inadmissible or strike it out, that judge shall forward it to a committee or to a Chamber for further examination. 1. If no decision is taken under Article 27 or 28, or no judgment rendered under Article 28, a Chamber shall decide on the admissibility and merits of individual applications submitted under Article 34. The decision on admissibility may be taken separately. ARTICLE 28 2. A Chamber shall decide on the admissibility and merits of inter-State applications submitted under Article 33. The decision on admissibility shall be taken separately unless the Court, in exceptional cases, decides otherwise. Competence of Committees ARTICLE 30 1. In respect of an application submitted under Article 34, a committee may, by a unanimous vote, Relinquishment of jurisdiction to the Grand Chamber (a) declare it inadmissible or strike it out of its list of cases, where such decision can be taken without further examination; or 18 Where a case pending before a Chamber raises a serious question affecting the interpretation of the Convention or the Protocols thereto, or where the resolution of a question before the Chamber might have a result inconsistent with a judgment previously delivered by the Court, the Chamber may, at any 19