The contracting authority shall negotiate with all tenderers in respect of their initial and subsequent tenders, with the exception of final tenders.
It may, however, award the contract on the basis of the initial tenders without negotiation, provided that it has indicated in the contract notice or in the invitation to confirm interest that it reserves the right to do so.
The minimum requirements mentioned in article R. 2161-13 and the award criteria may not be subject to negotiation.