Artikel 10

1. Any Contracting Party may propose amendments to the Articles of this Convention. The text of any proposed amendment shall be sent to the depositary Government, which shall transmit copies thereof to all Contracting Parties and signatory Governments. Any amendment shall take effect on the thirtieth day after its acceptance by all Contracting Parties.
2. When requested by one-fourth of the Contracting Parties, the depositary Government shall convene a meeting of Contracting Parties to consider the need for amending the Articles of this Convention. Amendments shall be adopted unanimously at such a meeting and shall be notified by the depositary Government to all Contracting Parties and shall take effect on the thirtieth day after they have been accepted by all Contracting Parties.
3. Notifications of acceptance of amendments shall be sent to the depositary Government.