Article R50-29 of the French Code of Criminal Procedure
For the application of Article 706-24, there is kept, at the General Prosecutor’s Office of the Paris Court of Appeal, a listed and initialled register in which are recorded the authorisations to identify themselves by their administrative registration number issued by the Paris Public Prosecutor to officers or agents of the judicial police assigned to judicial police services specially responsible for combating terrorism, and to which copies of these authorisations…