Article D47-37-3 of the French Code of Criminal Procedure
When the trial court is seised pursuant to the second paragraph of Article 706-120 and article D. 47-37-2, its president shall order an expert report at least one month before the hearing in order to determine whether the person is in a fit state to appear in person and understand the proceedings, as well as to determine the arrangements for this appearance, and in particular whether recourse may be had…