Article 695-19 of the French Code of Criminal Procedure
For the case referred to in 2° of Article 695-18, the waiver is given before the investigating, trial or enforcement court to which the person is subject after surrender and is irrevocable. When the surrendered person appears, the competent court establishes the identity and takes statements from this person. An official report shall be drawn up. The person concerned, assisted if necessary by his lawyer and, if necessary, an interpreter,…