Article 695-6 of the French Code of Criminal Procedure
Where the Public Prosecutor or investigating judge to whom a case has been referred does not comply with a request or opinion from Eurojust, he shall inform Eurojust without undue delay of the decision taken and the reasons for it. However, such a statement of reasons shall not be compulsory where it may prejudice essential national security interests or jeopardise the success of an ongoing investigation or the safety of…