Artikel 17

1. If either of the Contracting Parties considers it desirable to amend any provision of this Agreement or its Annex, it may at any time request consultation with the other Contracting Party. Such consultation, which may be between aeronautical authorities and which may be through discussion or by correspondence, shall begin within a period of sixty (60) days from the date of receipt of the request by the other Contracting Party, unless both Contracting Parties agree to an extension of this period.
2. Any amendment to this Agreement or its Annex agreed upon as a result of the consultation referred to in paragraph (1) of this Article shall come into force when it has been confirmed by an exchange of notes through diplomatic channels.