Article 1546-1 of the French Code of civil procedure
The parties may enter into a participatory procedure agreement for the purposes of readiness to proceed at any time during the proceedings. The parties may, at any time, expressly waive the right to rely on any plea in bar, any procedural exception and the provisions of Article 47, with the exception of those that arise or are revealed subsequent to the signing of the participatory procedure agreement. Where the parties…