Article 763-1 of the French Code of Criminal Procedure
A person sentenced to socio-judicial supervision in accordance with the terms of articles 131-36-1 to 131-36-8 of the Penal Code is placed under the control of the sentence enforcement judge in whose jurisdiction the offender is ordinarily resident or, if the offender is not ordinarily resident in France, of the sentence enforcement judge of the court in whose jurisdiction the court that ruled in the first instance has its seat….