Article 11 8

8.   Without prejudice to Directive 2014/25/EU or 2014/24/EU, the first time that an air traffic service for approach or aerodrome control is procured at a given airport in accordance with paragraph 2 of this Article, and when essential conditions would require a change of tender specifications, Member States shall ensure the verification of the technical requirements on service quality included in the tender specifications for the specific service concerned.