Obligation to State Reasons: Clear Principle with (Still) Unclear Scope? In Search of an Adequate Standard of Reasoning for a Decision Based on Confidential Data (Joined Cases C???584/20 P and C???621/20 P Commission and SRB v Landesbank Baden-Württemberg)

This article provides an analysis of the judgment of the Grand Chamber of the Court of Justice (the Court) of 15 July 2021 delivered in Joined Cases C-584/20 P and C-621/20 P ( Commission and SRB v Landesbank Baden-W??rttemberg ), which offers valuable insights into the question of the scope of the obligation to state reasons. In particular, the judgment clarifies how that obligation should be weighed, if necessary, with the obligation to protect the confidential data within the EU decision-making process. While the judgment specifically pertains to a decision of the Single Resolution Board regarding the calculation of ex-ante contributions to the Single Resolution Fund, its implications extend to all areas of EU law where the EU administration relies on confidential information in order to adopt a decision. Additionally, the judgment holds particular significance for the National Resolution Authorities of the Member States non-participating in the Banking Union, since they are required to calculate ex‐ante contributions to their national resolution financing arrangement and must, for this purpose, rely on the methodology provided by the EU legislator, as interpreted by the Court. Finally, the authors argue that regardless of its significance, the judgment leaves several questions unanswered regarding the adequacy of the reasoning of an administrative decision based on confidential data.