The coordination between the action of the regional services and that of the State services in the region is ensured jointly by the president of the regional council and the State representative in the region.
In addition, an investment harmonisation conference meets at least twice a year to exchange information on the investment programmes of the State, the region and the départements. These meetings are attended by the president of the regional council, the State representative in the region, the presidents of the departmental councils and the State representatives in the departments. The agenda for the meetings is set jointly by the members of the conference.