The French Council of State rules that the existing threat to national security currently justifies the generalized retention of data. It affirms also that the possibility of accessing connection data in order to fight serious crime allows, at the present time, the constitutional requirements of preventing breaches of law and order, and the tracking down of authors of criminal offences to be ensured. However, after examining the conformity with EU law of French rules on the retention of connection data, and verifying that the implementation of EU law (as interpreted by the European Court of Justice) does not jeopardize the requirements of the French Constitution, the French Council of State orders the Government to reassess regularly the threat that exists in France so as to justify the generalized retention of data, and to submit the use of these same data by the intelligence services to clearance provided by an independent authority.