Artikel 16

1. This Agreement is concluded for an indefinite period of time. Each Party shall notify the other Party through diplomatic channels once the national procedures necessary for entry into force of this Agreement have been completed. This Agreement shall enter into force on the first day of the second month following the receipt of the latter notification.
2. With regard to the Kingdom of the Netherlands, this Agreement shall apply to the European part of the Netherlands and the Caribbean part of the Netherlands (the islands of Bonaire, Sint Eustatius and Saba).
3. This Agreement may only be amended with the mutual consent of the Parties. Either Party may propose amendments to this Agreement at any time through diplomatic channels. Such amendments shall enter into force under the conditions laid down in paragraph 1 of this article.
4. Notwithstanding the provisions of paragraph 3 of this article, any amendment to the Annex 1 of this Agreement shall be agreed upon by the Competent Security Authorities of the Parties, shall be confirmed in writing through an exchange of diplomatic notes and shall enter into force on a date to be determined in the diplomatic notes.
5. A Party may terminate this Agreement in writing at any time through diplomatic channels. In this case, the Agreement shall expire six months after receipt of such notification.
6. Regardless of the termination of this Agreement, all Classified Information exchanged, released or generated under this Agreement shall be protected in accordance with the terms of this Agreement before it was terminated, for as long as the Classified Information remains classified.