Judgment of the General Court (First Chamber) of 10 March 2020.#International Forum for Sustainable Underwater Activities (IFSUA) v Council of the European Union.#Fisheries — Conservation of marine biological resources — Regulation (EU) 2018/120 — Measures concerning the fishing for European seabass (Dicentrarchus labrax) — Action for annulment brought by an association — Article 263 TFEU — Regulatory act not entailing implementing measures — Direct concern of the members of the association — Admissibility — Competence of the European Union to regulate recreational fisheries — Legal certainty — Protection of legitimate expectations — Equal treatment — Principle of non-discrimination — Proportionality — Precautionary principle — Freedom of association and freedom to conduct a business.#Case T-251/18.