Article 696-80 of the French Code of Criminal Procedure
Unless further information has been ordered, the Investigating Chamber shall rule at the latest within twenty working days of the statement of appeal, by a reasoned order made in chambers. If the Investigating Chamber deems it necessary to hear the person placed under judicial supervision, it may use the means of telecommunication mentioned in Article 706-71, whether the person in question is living on the territory of the Republic or…