Article 25 of the French Civil Code
An individual who has acquired French nationality may, by decree issued after the assent of the Conseil d’Etat, be stripped of French nationality, unless the stripping results in the individual becoming stateless: 1° If he is convicted of an act classified as a felony or misdemeanour constituting an attack on the fundamental interests of the Nation or for a felony or misdemeanour constituting an act of terrorism; 2° If he…