Article 28Use of open, restricted and negotiated procedures and of competitive dialogue
In awarding their public contracts, contracting authorities shall apply the national procedures adjusted for the purposes of this Directive.
They shall award these public contracts by applying the open or restricted procedure. In the specific circumstances expressly provided for in Article 29, contracting authorities may award their public contracts by means of the competitive dialogue. In the specific cases and circumstances referred to expressly in Articles 30 and 31, they may apply a negotiated procedure, with or without publication of the contract notice.