Case C-760/19: Judgment of the Court (Ninth Chamber) of 4 February 2021 (request for a preliminary ruling from the First-tier Tribunal (Tax Chamber) — United Kingdom) — JCM Europe (UK) Ltd v Commissioners for Her Majesty’s Revenue and Customs (Reference for a preliminary ruling — Customs union — Common Customs Tariff — Combined Nomenclature — Tariff classification — Headings 8472 and 9031 — Bank note validator and cash boxes — Device intended to be integrated in a host device and connected to an external control centre — Implementing Regulation (EU) 2016/1760 — Validity)