Article 121 of the French Code of Criminal Procedure
The minutes of questioning and confrontation are drawn up in the forms provided for in articles 106 and 107. If an interpreter is used, the provisions of Article 102 shall apply. If the person under investigation is deaf, the examining magistrate shall automatically appoint a sign language interpreter or any qualified person who has mastered a language or method of communicating with the deaf to assist him/her during the hearing….