Judgment of the General Court (Eighth Chamber, Extended Composition) of 23 September 2020.#Landesbank Baden-Württemberg v Single Resolution Board.#Economic and monetary union – Banking union – Single Resolution Mechanism for credit institutions and certain investment firms (SRM) – Single Resolution Fund (SRF) – Decision of the SRB on the calculation of the 2017 ex ante contributions – Action for annulment – Direct and individual concern – Admissibility – Essential procedural requirements – Authentication of the decision – Obligation to state reasons – Right to effective judicial protection – Plea of illegality – Limitation of the temporal effects of the judgment.#Case T-411/17.