Article 143-1 of the French Code of Criminal Procedure
Subject to the provisions of Article 137, pre-trial detention may only be ordered or extended in one of the cases listed below: 1° The person under investigation is facing a criminal sentence; 2° The person under investigation is facing a correctional sentence of three years’ imprisonment or more. Pre-trial detention may also be ordered under the conditions provided for in Article 141-2 when the person under investigation voluntarily evades the…