Article L5211-28-4 of the French General Code of Local Authorities
I.-Urban communities, metropolises and the Lyon metropolis are required to introduce a community solidarity grant for the benefit of their member municipalities, with the aim of reducing the disparities in resources and costs between these municipalities. The amount of the community solidarity grant is freely determined by the community council by a majority of two-thirds of the votes cast. The introduction of a community solidarity grant is optional for communities…