Contracting authorities are:
1° Legal persons governed by public law;
2° Legal persons governed by private law created for the specific purpose of meeting needs in the general interest, other than those of an industrial or commercial nature, where :
a) either the activity is financed for the most part by a contracting authority;
b) or the management is subject to supervision by a contracting authority;
c) or the administrative, management or supervisory body is composed of members, more than half of whom are appointed by a contracting authority;
3° Bodies governed by private law with legal personality set up by contracting authorities with a view to carrying out certain activities jointly.