| 32004L0017 - Utilities (3rd generation) | Article 17.5 |
| 5. The value of supplies or services which are not necessary for the performance of a particular works contract may not be added to the value of the works contract when to do so would result in removing the procurement of those supplies or services from the scope of this Directive. |
| 31993L0038 - Utilities (2nd generation) | Article 14.12 |
| 12. The value of supplies or services which are not necessary for the execution of a particular works contract may not be added to that of the works contract with the result of avoiding application of this Directive to the procurement of those supplies or services. |
| 31990L0531 - Utilities (1st generation) | Article 12.8 |
| 8. The value of supplies which are not necessary for the execution of a particular works contract may not be added to that of the contract with the result of avoiding application of this Directive to the procurement of those supplies. |
