Case C-130/15: Judgment of the Court (Second Chamber) of 26 May 2016 (request for a preliminary ruling from the Upper Tribunal (Tax and Chancery Chamber) — United Kingdom) — Commissioners for Her Majesty’s Revenue and Customs v National Exhibition Centre Limited (Preliminary ruling — Common system of value added tax — Sixth Directive 77/388/EEC — Exemption — Article 13B(d)(3) — Transactions in respect of payments and transfers — Concept — Purchase of tickets for shows or other events — Payment by debit or credit card — ‘Card processing’ services’)