Article L733-15 of the French Code governing the entry and residence of foreign nationals and the right of asylum
When required to protect public security, the administrative authority may prohibit a foreign national, placed under house arrest pursuant to 6° or 7° of article L. 731-3 or article L. 731-4, who has been sentenced to deportation for acts of terrorism covered by Title II of Book IV of the Criminal Code or who is the subject of a deportation order issued for behaviour related to activities of a terrorist…