Judgment of the Court (Grand Chamber) of 15 July 2021.#Fédération bancaire française (FBF) v Autorité de contrôle prudentiel et de résolution (ACPR).#Request for a preliminary ruling from the Conseil d'État.#Reference for a preliminary ruling – Articles 263 and 267 TFEU – EU act which is not legally binding – Judicial review – Guidelines issued by the European Banking Authority (EBA) – Product oversight and governance arrangements for retail banking products – Validity