Article L2422-12 of the French Public procurement code
When the construction or rehabilitation of a structure or group of structures simultaneously falls within the remit of several project owners mentioned in article L. 2411-1 or one or more of these project owners and the SNCF Réseau company mentioned in article L. 2111-9 of the Transport Code or its subsidiary mentioned in 5° of this article, they may designate, by agreement, which of them will be the project owner…