The provisions of article L. 5212-16 to unions existing on 6 January 1988, the date of publication of the loi n° 88-13 du 5 janvier 1988 d’amélioration de la décentralisation, if the municipal councils of the member municipalities of these unions have made known, under the majority conditions provided for in II of article L. 5211-5, their willingness to amend the decision to set up the syndicat accordingly.
The modification decision is taken by the representative of the State in the department.