Letter from Andrea Enria, Chair of the Supervisory Board, to Mr Andresen, Mr Fernández, Mr Garicano, Mr Urtasun, MEPs, on banking supervision https://www.bankingsupervision.europa.eu/ecb/pub/pdf/ssm.mepletter20420_Andresen_Fernandez_Garicano_Urtasun~6ffc08988f.en.pdf