In the local authorities referred to in the first paragraph of article L. 721-7, for the basic banking services referred to in III of article L. 312-1, credit institutions may not charge more than the average of those charged by the institutions or regional branches of the group to which they belong in mainland France.
The credit institutions present in these local authorities take part each year in a meeting chaired by the State representative and attended by the Institute mentioned in section 2 of this chapter in order to define together the measures necessary to determine the rates mentioned in the first paragraph.