Artikel 58

1. The Convention shall be open for signature by the States which were Members of the Hague Conference on Private International Law at the time of its Twenty-First Session and by the other States which participated in that Session.
2. It shall be ratified, accepted or approved and the instruments of ratification, acceptance or approval shall be deposited with the Ministry of Foreign Affairs of the Kingdom of the Netherlands, depositary of the Convention.
3. Any other State or Regional Economic Integration Organisation may accede to the Convention after it has entered into force in accordance with Article 60(1).
4. The instrument of accession shall be deposited with the depositary.
5. Such accession shall have effect only as regards the relations between the acceding State and those Contracting States which have not raised an objection to its accession in the 12 months after the date of the notification referred to in Article 65. Such an objection may also be raised by States at the time when they ratify, accept or approve the Convention after an accession. Any such objection shall be notified to the depositary.