Judgment of the Court (Grand Chamber) of 15 July 2021.#European Commission v Landesbank Baden-Württemberg and Single Resolution Board.#Appeal – Banking union – Single Resolution Mechanism (SRM) – Single Resolution Fund (SRF) – Calculation of the 2017 ex ante contributions – Authentication of a decision of the Single Resolution Board (SRB) – Obligation to state reasons – Confidential data – Legality of Delegated Regulation (EU) 2015/63.#Joined Cases C-584/20 P and C-621/20 P.