Carlos Bosque Argachal, Legal Counsel, European Investment Bank, Luxembourg, Adjunct Professor of Law, University Carlos III, Spain and European Banking Institute Fellow

• ContentsPrefaceIntroductory remarks on the Single Supervisory Mechanism (SSM) PART I SSM ORIGINS AND TREATY FOUNDATIONS: SOLID AS A ROCK OR CAPABLE OF BEING CHALLENGED?1 From European and Monetary Union (EMU) to BU, architecture of the BU 2 Constitutional foundations of the SSM 3 (Potential) Conflicts between ECB competences and Treaty basis 4 Conclusions of Part I PART II COMPETENCES, TASKS AND PROCEDURES UNDER THE SSM: TACKLING COMPLEXITY IN A COMPOSITE FRAMEWORK5 Tasks, powers and competences: building distinctions 6 Allocation of tasks within the SSM 7 The substantive and procedural law applied by the ECB under the SSM (with particular reference to the use of national law by the ECB: filling gaps) 8 Distinguishing between supervisory and sanctioning procedures: Is it possible? 9 Conclusions of Part II PART III CHALLENGES CONCERNING SUPERVISORY AND SANCTIONING PROCEDURES10 Composite procedures: descriptive and normative criteria 11 Cooperation, coordination and composite procedures in the Banking Union and SSM 12 SSM composite procedures and justiciability 13 Procedural and substantive safeguards in composite procedures 14 Supervisory procedures: common procedures 15 Sanctioning procedures 16 Conclusions of Part III Bibliography

‘Carlos Bosque Argachal’s book offers an exceptional and comprehensive analysis of the Single Supervisory Mechanism within the Banking Union. It combines doctrinal rigour with institutional insight, exploring the legal architecture, competences, and procedures that define EU banking supervision. A sophisticated and indispensable contribution to understanding the ECB’s evolving role in financial governance.’