Article L4163-17 of the French Labour Code
Subject to Articles L. 4163-18 to L. 4163-20, disputes relating to decisions taken by the managing body pursuant to Sections 2 and 3 of this Chapter and to this Section 4 shall be settled in accordance with the provisions governing social security litigation. Disputes relating to the declaration referred to in Article L. 4163-1 may not be the subject of a dispute separate from that referred to in this Article….