Certificates of airworthiness, certificates of competency and licenses issued or validated in accordance with the laws and regulations of one Contracting Party, including, in the case of the European part of the Netherlands, in accordance with European Union laws and regulations, and still valid, shall be recognized as valid by the other Contracting Party for the purpose of operating the Agreed Services, provided always that the requirements under which such certificates or licenses were issued or validated, are at a level equal to or above the minimum standards established under the Convention. Each Contracting Party, however, reserves the right to refuse to recognize, for the purpose of flights above its Territory or landing within its own Territory, certificates of competency and licenses granted to or validated for its own nationals by the other Contracting Party.