Article L3212-4 of the French Public procurement code
The following concession contracts are subject to the rules set out in Title II : 1° Services relating to the acquisition or rental, by whatever financial means, of land, existing buildings or other immovable property, or relating to other rights over such property; 2° Services relating to research and development for which the purchaser does not acquire exclusive ownership of the results or does not fully finance the service; 3°…