Case C-591/23, ZCC Europe: Judgment of the Court (Ninth Chamber) of 19 December 2024 (request for a preliminary ruling from the Finanzgericht Düsseldorf – Germany) – ZCC Europe GmbH v Hauptzollamt Düsseldorf (Reference for a preliminary ruling – Customs union – Common Customs Tariff – Combined Nomenclature – Tariff classification – Headings 8113 and 8209 – Hard metal sticks made of cermets – Implementing Regulation (EU) 2021/910 – Validity