Case C-235/18: Judgment of the Court (Eighth Chamber) of 15 May 2019 (request for a preliminary ruling from the Naczelny Sąd Administracyjny — Poland) — Vega International Car Transport and Logistic — Trading GmbH v Dyrektor Izby Skarbowej w Warszawie (Reference for a preliminary ruling — Taxation — Value added tax (VAT) — Directive 2006/112/EC — Article 135(1)(b) — Supply of goods — Exemptions for other activities — Granting and negotiation of credit — Fuel cards)