Judgment of the Court (Fifth Chamber) of 21 December 2023.#United Parcel Service, Inc. v European Commission.#Appeal – Action for damages – Concentrations of undertakings – European Commission decision declaring the concentration to be incompatible with the internal market and the functioning of the EEA Agreement – Annulment of the decision on account of procedural defect – Non-contractual liability of the European Union – Causal link.#Case C-297/22 P.