47The fact that any partial implementation of a concentration falls within the scope of that article is thus in accordance with the requirement of ensuring effective control of concentrations. If the merging parties were prohibited from implementing a concentration by means of a single transaction, but it were open to them to achieve the same result by successive partial operations, that would reduce the efficiency of the prohibition in Article 7 of Regulation No 139/2004 and would thus put at risk the prior nature of the control required by that regulation and the pursuit of its objectives.
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