Article D15-4-2 of the French Code of Criminal Procedure
The Public Prosecutor at the judicial court in which there is no investigating division shall immediately notify the Public Prosecutor at the court in which that division is located when the provisions of the first paragraph of II of Article 80 of the last paragraph of Article 397-2 ou de l’article 397-7. When this magistrate applies the provisions of article 397-7, he or she requests that the investigation be opened…