A declaration is required for all sporting events which take place in whole or in part on a public road or a road open to public traffic, or on its ancillary roads, and which:
1° Either constitute events, races or competitions involving timekeeping, a ranking, based in particular either on the highest speed achieved or on a set average, or a timetable fixed in advance;
2° Or constitute events without a ranking, without timekeeping and without a timetable fixed in advance involving more than one hundred participants.