Article R53-8-13 of the French Code of Criminal Procedure
The justification and declaration of a change of address provided for by Article 706-53-5 shall be made by means of any document less than three months old in the name of the person concerned establishing the reality of their domicile, in particular a receipt or invoice. If the proof produced relates to the home of a third party, it must be accompanied by an accommodation certificate drawn up and signed…