Article D143 of the French Code of Criminal Procedure
Sentenced persons incarcerated in a remand prison, a central prison, a semi-liberty centre and, where they are of age, in a specialised juvenile prison may be granted temporary absences of up to three days with a view to maintaining family ties or preparing for professional or social reintegration in the following cases: 1° When they are serving one or more custodial sentences of a total duration not exceeding one year;…