Article R3115-52 of the French Public Health Code
The Prefect may order a total or partial deratting, disinsectisation or disinfection of a means of transport if it presents a risk to public health. In particular, the Prefect will order such an operation if the need for it is stated in the health inspection certificate or if an aircraft cannot show proof of disinsectisation if it comes from an area mentioned in article R. 3115-48.