Artikel 21

1. This Agreement and its Annexes shall enter into force on the first day of the second month following the date of the later note in an exchange of diplomatic notes between the Parties through diplomatic channels confirming that each Party has completed the necessary internal procedures for entry into force of this Agreement and its Annexes.
2. Upon entry into force, this Agreement shall supersede, in the relation between Sint Maarten and Iceland, the Air Transport Agreement between the Government of the Kingdom of the Netherlands and the Government of the Republic of Iceland, signed at The Hague, 22 March 1950.