1. Any State Party may propose an amendment to the present Protocol and file it with the Secretary-General of the United Nations. The Secretary-General shall there upon communicate any proposed amendments to the States Parties with a request that they notify her or him whether they favour a conference of States Parties for the purpose of considering and voting on the proposal. In the event that at least one third of the States Parties favour such a conference, the Secretary-General shall convene the conference under the auspices of the United Nations. Any amendment adopted by a majority of the States Parties present and voting at the conference shall be submitted to the General Assembly of the United Nations for approval.

2. Amendments shall come into force when they have been approved by the General Assembly of the United Nations and accepted by a two-thirds majority of the States Parties to the present Protocol in accordance with their respective constitutional processes.

3. When amendments come into force, they shall be binding on those States Parties that have accepted them, other States Parties still being bound by the provisions of the present Protocol and any earlier amendments that they have accepted.