Case T-402/20: Judgment of the General Court of 18 October 2023 — Zippo Manufacturing and Others v Commission (Commercial policy — Regulation (EU) 2020/502 — Measures adopted by the United States on imports of certain derivative aluminium and steel products — European Union decision to suspend equivalent trade concessions and other obligations — Additional customs duties on imports of products originating in the United States — Action for annulment — Standing to bring proceedings — Admissibility — Principle of good administration — Right to be heard)