34However, it should be noted, first, according to recital 2 of that directive, the coordinating provisions which it establishes must be interpreted in accordance with the principles of the FEU Treaty, in particular the principles of the free movement of goods, freedom of establishment and freedom to provide services and the principles that derive therefrom, such as equality of treatment, non-discrimination, mutual recognition, proportionality and transparency to which the award of public contracts in Member States are subject.