Article L732-8 of the French Code governing the entry and residence of foreign nationals and the right of asylum
A decision to place a person under house arrest taken pursuant to 1°, 2°, 3°, 4° or 5° of article L. 731-1 may be challenged before the president of the administrative court within forty-eight hours of notification. The forty-eight hour time limit provided for in the first paragraph also applies to challenges to the decision to place the person under house arrest notified after the removal decision, even if the…