Artikel XII

1. This Agreement shall be open for signature by all States at Brussels on 15 December 2014 and at The Hague from 16 December 2014 to 16 December 2015. A State which has signed this Agreement may declare that it shall apply this Agreement provisionally pending its entry into force.
2. This Agreement is subject to ratification, acceptance or approval by signatory States. Instruments of ratification, acceptance or approval shall be deposited with the Government of the Netherlands.
3. This Agreement shall be open to accession by all States. Instruments of accession shall be deposited with the Government of the Netherlands.
4. This Agreement shall enter into force thirty days after two States have expressed their consent to be bound in accordance with paragraph 2 or 3 of this Article.
5. For each State consenting to be bound after the date of entry into force of this Agreement, the Agreement shall enter into force for that State thirty days after the deposit of its instrument expressing its consent to be bound.
6. Any State Party may withdraw from this Agreement. Withdrawal shall take effect twelve months after receipt of the notification of withdrawal by the Depositary.
7. This Agreement shall be concluded for an initial period of five years, following which it may be reviewed or amended at the initiative of the original signatory States. It shall be extended for an indefinite period of time thereafter.
8. This Agreement shall be deposited with the Government of the Netherlands, which shall serve as the Depositary and shall provide each State Party with a certified copy of the Agreement.
9. The Depositary shall notify the States that have signed, ratified, accepted, approved or have acceded to this Agreement in accordance with paragraphs 1, 2 and 3 of this Article of the following:
a. the signatures, declarations, ratifications, acceptances, approvals and accessions referred to in paragraphs 1, 2 and 3 of this Article;
b. the dates of entry into force referred to in paragraphs 4 and 5 of this Article;
c. any withdrawal and its date of effect referred to in paragraph 6 of this Article.