Article L5211-43 of the French General Code of Local Authorities
I. – The departmental commission for inter-communal cooperation is made up of : 1° 50% by mayors, deputy mayors or municipal councillors elected by proportional representation on the basis of the highest average by the mayors grouped within electoral colleges determined according to the demographic size of the communes; 2° 30% by representatives of public establishments for inter-communal cooperation with their own tax system having their headquarters in the department,…