Article 763-8 of the French Code of Criminal Procedure
Where socio-judicial supervision has been imposed on a person sentenced to a term of criminal imprisonment of fifteen years or more for one of the offences referred to in Article 706-53-13, the regional secure detention court may, in accordance with the procedures set out in Article 706-53-15, decide to extend all or some of the obligations to which the person is subject, beyond the period ordered by the trial court…