Article L5211-41 of the French General Code of Local Authorities
When a public establishment of inter-municipal cooperation with its own tax status already exercises, on behalf of the communes that make it up, the competencies set by the present code for another category of public establishments of inter-municipal cooperation with their own tax status, this establishment may be transformed, provided that it fulfils the conditions for creation, into a public establishment of this category by concordant deliberations of the deliberating…