Judgment of the Court (Fifth Chamber) of 4 March 2021.#European Commission v Fútbol Club Barcelona.#Appeal – State aid – Aid granted to certain professional football clubs – Article 107(1) TFEU – Concept of ‘advantage’ – Aid scheme – Regulation (EU) 2015/1589 – Article 1(d) – Reduced tax rate – Non-profit entities – Less advantageous tax deduction – Effect – Cross-appeal – Articles 169 and 178 of the Rules of Procedure of the Court of Justice.#Case C-362/19 P.