Case C-196/09: Judgment of the Court (Grand Chamber) of 14 June 2011 (reference for a preliminary ruling from the Chambre de recours des écoles européennes) — Paul Miles and Others v European Schools (Reference for a preliminary ruling — Concept of ‘court or tribunal of a Member State’ within the meaning of Article 267 TFEU — Complaints Board of the European Schools — System of remuneration of teachers seconded to the European Schools — No adjustment of remuneration following depreciation in sterling — Compatibility with Articles 18 TFEU and 45 TFEU)