Artikel 18 Verdrag tussen het Koninkrijk der Nederlanden en de Republiek Costa Rica inzake luchtdiensten tussen en via hun onderscheiden grondgebieden

Article 18 Consultation and Amendment 1 In a spirit of close cooperation the Aeronautical Authorities of the Contracting Parties may consult each other from time to time with a view to ensuring the implementation of, and satisfactory compliance with, the provisions of this Agreement. 2 Either Contracting Party may request consultations with a view to amend this Agreement and/or its Annex. These consultations shall begin within sixty (60) days from the date of the receipt of the request by the other Contracting Party, unless otherwise agreed. Such consultations may be conducted through discussion or by correspondence. 3 Any amendment to this Agreement shall be agreed upon by the Contracting Parties and shall be effected through an exchange of diplomatic notes. Such amendment shall come into force in accordance with the provisions of Article 25 (Entry into Force) of this Agreement. 4 Notwithstanding the provisions of paragraph 3 of this Article any amendment of the Annex to this Agreement shall be agreed upon by the Aeronautical Authorities, and confirmed through an exchange of diplomatic notes, and shall take effect on a date to be determined in the diplomatic notes. This exception to paragraph 3 of this Article does not apply in case any traffic rights are added to the above-mentioned Annex.