Artikel 17

1. If either of the Contracting Parties considers it desirable to amend any provision of this Agreement, such amendment shall be agreed upon by the Contracting Parties and shall be effected by an exchange of diplomatic notes. Such amendment shall enter into force in accordance with the provisions of Article 22 of this Agreement.
2. Notwithstanding the provisions of paragraph 1 of this Article, amendments relating only to the Annex to this Agreement shall be agreed upon between the aeronautical authorities of the Contracting Parties, and confirmed in writing through diplomatic notes, and shall enter into force on a date to be determined in the diplomatic notes. This exception to paragraph 1 of this Article does not apply in case any traffic rights are added to the Annex to this Agreement.