Case C-750/21 P: Judgment of the Court (Second Chamber) of 8 February 2024 – Pilatus Bank plc v European Central Bank (ECB) (Appeal – Economic and monetary policy – Prudential supervision of credit institutions – Tasks of the European Central Bank (ECB) – Regulation (EU) No 1024/2013 – Article 6(5)(b) – Supervision of a credit institution directly by the ECB – Conditions – Action for annulment – Inadmissibility – Representation of a party – Authority to act granted to the lawyer – Representative not lawfully provided with authority to act)