Where the works of the public electricity transmission and distribution networks, located on the territory of the municipality, the public establishment for inter-municipal cooperation or the joint association, are operated by separate legal entities, the overall amount of the fee, set in accordance with the procedures laid down in articles R. 2333-105 and 106, is borne by these different legal entities in proportion to the length of the networks they operate on the territory of the municipality, public inter-municipal cooperation body or mixed syndicate concerned. The amount of the fee referred to in article R. 2333-105-2 is borne up to a maximum of one fifth of the fee payable by each for permanent occupation.