Article R5611-2 of the French General Code of Local Authorities
If the agreement relates to powers exercised by the regions, pursuant to article L. 4211-1, the acceptance of the legal entities on whose behalf each region acts is required. The acceptance of local authorities and public establishments is given in accordance with the legislative and regulatory provisions governing them. Acceptance by the State is the subject of agreements prepared and concluded by the territorially competent regional prefects.