Article R3135-6 of the French Public procurement code
The concession contract may be amended when a new concessionaire replaces the concessionaire to whom the concession-granting authority initially awarded the concession contract, in one of the following cases: 1° In application of a review clause or an option defined in article R. 3135-1; 2° In the case of a transfer of the concession contract, following restructuring operations by the initial concessionaire. The new concessionaire must prove that it has…