1. This Directive establishes rules on the procedures for procurement by contracting authorities and by contracting entities with respect to concessions whose value is estimated to be not less than the thresholds laid down in Article 5.
2. This Directive applies to the acquisition of works or services, including supplies which are incidental to the subject matter of a concession, from economic operators chosen by either of the following:
a) Contracting authorities whether or not the works or services including the related supplies, are intended for a public purpose;
b) Contracting entities provided that the works or services including the related supplies, are intended for the pursuit of one of the activities referred to in Annex III.