Article L5731-2 of the French General Code of Local Authorities
I. – The metropolitan cluster groups together public establishments of inter-municipal cooperation with their own tax status provided that one of them has more than 100,000 inhabitants. By way of derogation from the previous paragraph, the metropolitan cluster may group together, in a single territory without an enclave, public establishments of inter-municipal cooperation with their own tax status including at least one public establishment of inter-municipal cooperation with more than…