Article R331-10 of the French Sports Code
The organiser of an event with a ranking, timekeeping or timetable fixed in advance submits a declaration, accompanied, where applicable, by the reasoned opinion referred to in article R. 331-9, to : 1° The mayor or, in Paris, the police prefect, if the event takes place within the territory of a single municipality ; 2° The departmental prefect, if the event is taking place in several municipalities in the same…