Article 706-63-1 of the French Code of Criminal Procedure
The persons mentioned in Article 132-78 of the Penal Code shall, where necessary, be subject to protection designed to ensure their safety. They may also benefit from measures designed to ensure their reintegration. If necessary, these persons may be authorised, by reasoned order issued by the president of the judicial court, to use an assumed identity. The fact of revealing that a person is using an assumed identity in application…