The credits calculated pursuant to Article R. 1614-49 are delegated to the prefects after being distributed as follows:
a) 40% based on the population of each department and the Department of Mayotte;
b) 40% based on the number of dwellings shown on building permits issued during the last three years in each department and the Department of Mayotte ;
c) 20% based on the number of communes in each département and the Département of Mayotte subject to special provisions applicable to the coastline and airfield noise zones by virtue of, respectively, the coastline pursuant to Chapter I of Title II of Book I of the Town Planning Code as well as airfield noise zones pursuant to Articles L. 112-3 to L. 112-17 of the same code.