Article 56-4 of the French Code of Criminal Procedure
I.-When a search is envisaged in a specifically identified place containing items covered by national defence secrecy, the search may only be carried out by a magistrate in the presence of the Chairman of the National Defence Secrecy Commission. The Chairman may be represented by a member of the Commission or by delegates duly authorised to deal with national defence secrets, whom he appoints in accordance with the procedures laid…