Article 61 — Review Conferences, amendments and related matters

1. The Depositary shall prepare reports yearly or at such other time as the circumstances may require for the States Parties as to the manner in which the international regimen established in this Convention has operated in practice. In preparing such reports, the Depositary shall take into account the reports of the Supervisory Authority concerning the functioning of the international registration system.
2. At the request of not less than twenty-five per cent of the States Parties, Review Conferences of States Parties shall be convened from time to time by the Depositary, in consultation with the Supervisory Authority, to consider:
(a) the practical operation of this Convention and its effectiveness in facilitating the asset based financing and leasing of the objects covered by its terms;
(b) the judicial interpretation given to, and the application made of the terms of this Convention and the regulations;
(c) the functioning of the international registration system, the performance of the Registrar and its oversight by the Supervisory Authority, taking into account the reports of the Supervisory Authority; and
(d) whether any modifications to this Convention or the arrangements relating to the International Registry are desirable.
3. Subject to paragraph 4, any amendment to this Convention shall be approved by at least a two-thirds majority of States Parties participating in the Conference referred to in the preceding paragraph and shall then enter into force in respect of States which have ratified, accepted or approved such amendment when ratified, accepted, or approved by three States in accordance with the provisions of Article 49 relating to its entry into force.
4. Where the proposed amendment to this Convention is intended to apply to more than one category of equipment, such amendment shall also be approved by at least a two-thirds majority of States Parties to each Protocol that are participating in the Conference referred to in paragraph 2.