Case T-275/20: Judgment of the General Court of 23 November 2022 — Westfälische Drahtindustrie and Others v Commission (Action for annulment and for damages — Competition — Agreements, decisions and concerted practices — European market for prestressing steel — Decision finding an infringement of Article 101 TFEU and Article 53 of the EEA Agreement — Suspension of the obligation to provide a bank guarantee — Payment by instalments on a provisional basis — Judgment annulling in part the decision and setting a fine in an amount identical to the amount of the fine originally imposed — Application of payments made on a provisional basis — Default interest — First paragraph of Article 266 TFEU — Unjust enrichment — Sufficiently serious breach of a rule of law intended to confer rights on individuals — Recovery of undue payments — No legal basis — Unlawfulness)