Article R331-37 of the French Sports Code
Approval of a circuit is granted for a period of four years by the Prefect, after an inspection and an opinion by the Commission nationale d’examen des circuits de vitesse (National Speed Circuit Examination Commission) when the speed of vehicles may exceed 200 km/h at any point on the circuit or, in other cases, after an inspection and an opinion by the Commission départementale de sécurité routière (Departmental Road Safety…