Opinion of Advocate General Rantos delivered on 1 February 2024.#Westfälische Drahtindustrie GmbH and Others v European Commission.#Appeal – Competition – Agreements, decisions and concerted practices – European market for prestressing steel – Decision finding an infringement of Article 101 TFEU and Article 53 of the Agreement on the European Economic Area (EEA) – Judgment annulling the decision in part and fixing a fine in an amount identical to the amount of the fine initially imposed – Application of payments made on a provisional basis – Decision of the European Commission on the outstanding balance of the fine – Due date for payment of a fine, the amount of which has been fixed by the EU judicature, in the exercise of its unlimited jurisdiction.#Case C-70/23 P.