1. Contracts which have as their object both services and supplies shall be awarded in accordance with this Directive where the main object of the contract in question are services and where they are concessions within the meaning of point (1) of the first paragraph of Article 2
2. Concessions which have as their object both services within the meaning of Article 17 and other services shall be awarded in accordance with the provisions applicable to the type of service that characterises the main object of the contract in question.
3. In the case of mixed contracts referred to in paragraphs 1 and 2, the main object shall be determined by a comparison of the values of the respective services or supplies.
4. Where contracts have as their object concessions covered by this Directive as well as procurement or other elements not covered by it nor by Directives [replacing 2004/17/EC and Directive 2004/18] or 2009/81/EC, the part of the contract which constitutes a concession covered by this Directive shall be awarded in accordance with this Directive. However, when the different parts of the contract are objectively not separable, the application of this Directive shall be determined on the basis of the main subject of that contract.
5. In the case of concessions subject to this Directive and contracts subject to [Directive 2004/18/EC or 2004/17/EC] or 2009/81/EC21, the part of the contract which constitutes a concession covered by this Directive shall be awarded in accordance with the provisions thereof.
Where the different parts of such contracts are not objectively separable, the application of this Directive shall be determined on the basis of the main subject of that contract.
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21 OJ L 217, 20.8.2009, p. 76.