Judgment of the Court (First Chamber) of 20 April 2023.#ZA and Others v Repsol Comercial de Productos Petrolíferos SA.#Reference for a preliminary ruling – Competition – Vertical restrictions of competition – Article 101(1) and (2) TFEU – Principle of effectiveness – Regulation (EC) No 1/2003 – Article 2 – Directive 2014/104/EU – Article 9(1) – Binding effect of the final decisions of the national competition authorities finding an infringement of the competition law rules – Temporal and material application – Actions for damages and for a declaration of nullity for infringements of the EU competition law provisions.#Case C-25/21.