Case C-184/19: Judgment of the Court (Seventh Chamber) of 30 April 2020 (request for a preliminary ruling from the Curtea de Apel Bucureşti — Romania) — Hecta Viticol SRL v Agenţia Naţională de Administrare Fiscală (ANAF) — Direcţia Generală de Soluţionare a Contestaţiilor, Biroul Vamal de Interior Buzău, Direcţia Generală Regională a Finanţelor Publice Galaţi (Reference for a preliminary ruling — Directives 92/83/EEC and 92/84/EEC — Rates of excise duty on wine and still fermented beverages other than wine and beer — Differentiated rates of excise duty — Principles of legal certainty and the protection of legitimate expectations)