Article 21-2 of the French Code of Criminal Procedure
Without prejudice to their obligation to report to the mayor under Article 21, municipal police officers shall immediately report any crimes, offences or contraventions of which they are aware to any officer of the judicial police of the national police or national gendarmerie with territorial jurisdiction. They shall immediately send their reports and minutes simultaneously to the mayor and, via the judicial police officers mentioned in the previous paragraph, to…