Article LO4435-9 of the French General Code of Local Authorities
Under the conditions and subject to the reservations provided for in this chapter, the regional councils of Guadeloupe and Mayotte may be empowered to lay down the rules applicable in the territory of their region in a limited number of matters that may fall within the scope of the law or regulation, with the exception of those listed in the fourth paragraph of article 73 of the Constitution.