Negotiated markets and negotiations: what are the rules to follow?
Rule n ° 1:
Article 35 of the Code des Marches Publics authorizes the contracting authority to negotiate with the candidates who have submitted an offer. This negotiation can relate to all the elements of the offer, especially the price. The contracting authority must indicate in the specifications the different points on which the negotiations may be carried out and the details of the negotiation.
Rule n ° 2:
Changes to the specifications that do not affect the substance of the candidates' offers may be considered as modifications of details.