In this Issue, Illegal framework of the periodic penalty payments which may be applied by the ECB in the exercise of its banking supervisory functions; Enforcement of EU Competition Law to payment card platforms: the VISA and Mastercard cases; Brazilian regulation and experience on the closing of competition cases through settlements; Comparative analysis on leniency programmes for Competition Law in the United States of America and in the EU; Gun Jumping and Partial Implementation in EU Merger Control: the Canon Toshiba case (chapter II).