Article 662 of the French Code of Criminal Procedure
In criminal, correctional or police matters, the Criminal Division of the Cour de cassation may relinquish jurisdiction of any investigating or trial court and refer the hearing of the case to another court of the same order on grounds of legitimate suspicion. The motion for referral may be presented either by the public prosecutor at the Cour de cassation, or by the public prosecutor established at the court seised, or…