Judgment of the Court (Sixth Chamber) of 4 October 2024.#Ferriere Nord SpA v European Commission.#Appeal – Competition – Agreements, decisions and concerted practices – Market for concrete reinforcing bars – European Commission Decision finding an infringement of Article 65 CS after the expiry of the ECSC Treaty on the basis of Regulation (EC) No 1/2003 – Decision adopted following the annulment of earlier decisions – Holding of a new hearing attended by the competition authorities of the Member States – Rights of the defence – Principle of sound administration – Requirement of impartiality – Reasonable time – Obligation to state reasons – Proportionality – Ne bis in idem principle – Plea of illegality – Aggravating circumstances – Repeated infringement – Mitigating circumstances – Equal treatment.#Case C-31/23 P.