Case C-55/14: Judgment of the Court (Ninth Chamber) of 22 January 2015 (request for a preliminary ruling from the Cour d’appel de Mons — Belgium) — Régie communale autonome du stade Luc Varenne v État belge (Reference for a preliminary ruling — Directive 77/388/EEC — VAT — Exemptions — Article 13B(b) — Concept of ‘exempted letting of immovable property’ — Provision, for consideration, of a football stadium — Contract for provision reserving certain rights and prerogatives to the owner — Supply, by the owner, of various services representing 80 % of the charge specified in the contract)