Case C-425/19 P: Judgment of the Court (Grand Chamber) of 2 March 2021 — European Commission v Italian Republic, Banca Popolare di Bari Società Cooperativa per Azioni, Fondo interbancario di tutela dei depositi, Banca d’Italia (Appeal — State aid — Measures adopted by a consortium of banks governed by private law for the benefit of one of its members — Measures authorised by the Central Bank of the Member State — Concept of ‘State aid’ — Whether imputable to the State — State resources — Evidence supporting the conclusion that a measure is imputable — Distortion of elements of fact and of law — Decision declaring the aid incompatible with the internal market)