The agreement setting up the consortium, signed by its members, defines the operating rules of the consortium. It may entrust one or more of its members with the task of carrying out all or part of the procedure for awarding or performing the concession contract in the name and on behalf of the other members.
The concession-granting authorities that are members of the consortium are jointly and severally liable only for the operations involved in awarding or performing the concession contract that are carried out jointly in their name and on their behalf, in accordance with the stipulations of the consortium agreement.