Judgment of the Court (Tenth Chamber) of 17 October 2019.#Unitel Sp. z o.o. v Dyrektor Izby Skarbowej w Warszawie.#Request for a preliminary ruling from the Naczelny Sąd Administracyjny.#Reference for a preliminary ruling — Taxation — Value added tax (VAT) — Directive 2006/112/EC — Article 146 — Exemptions on exportation — Concept of ‘supply of goods’ — Article 131 — Conditions laid down by the Member States — Principle of proportionality — Principle of fiscal neutrality — Evidence — Tax evasion — Practice of a Member State consisting in refusing the right to exemption where the person acquiring the goods exported is not identified.#Case C-653/18.