Case C-31/23 P: Judgment of the Court (Sixth Chamber) of 4 October 2024 – Ferriere Nord SpA v European Commission, Council of the European Union (Appeal – Competition – Agreements, decisions and concerted practices – Market for concrete reinforcing bars – European Commission Decision finding an infringement of Article 65 CS, after expiry of the ECSC Treaty, on the basis of Regulation (EC) No 1/2003 – Decision taken following the annulment of earlier decisions – New hearing held in the presence of 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)