Case C-42/18: Judgment of the Court (Third Chamber) of 3 October 2019 (request for a preliminary ruling from the Bundesfinanzhof — Germany) — Finanzamt Trier v Cardpoint GmbH, successor in law to Moneybox Deutschland GmbH (Reference for a preliminary ruling — Taxation — Value added tax (VAT) — Sixth Council Directive 77/388/EEC — Exemptions — Article 13B(d)(3) — Transactions concerning payments — Services supplied by a company to a bank relating to the operation of cash points)