At the end of the period referred to in Article 4 of the loi n° 83-8 du 7 janvier 1983 précité, transfers of State taxes represent at least half of the resources allocated by the State to all local authorities.
Losses of tax revenue resulting, where applicable, for departments or regions, from the modification, subsequent to the date of transfer of the taxes and due to the State, of the base or rates of these taxes are fully compensated, local authority by local authority, either by allocations of decentralisation grants, or by decreases in the adjustments provided for in the second paragraph of article L. 1614-4.
The amount of the loss of tax revenue to be compensated, for each local authority concerned, is established under the same conditions as the increases and decreases in charges referred to in article L. 1614-3.