When an investigating judge issues a letter rogatory to a judicial police officer in charge of a police service or gendarmerie unit, the latter may have it executed by a judicial police officer under his authority, provided that the latter acts within the limits of his territorial jurisdiction.
The judicial police officer entrusted with the execution of a letter rogatory by his hierarchical superior must, without prejudice to the application of the provisions of Article D. 9, immediately report back to the instructing magistrate if the latter has ordered this to be done.