Contracting State may propose amendment of this Convention. The text of
a proposed amendment shall be communicated to the Secretary-General not
less than 90 days prior to the meeting of the Administrative Council at
which such amendment is to be considered and shall forthwith be transmitted
by him to all the members of the Administrative Council.
If the Administrative Council shall so decide by a majority of two-thirds
of its members, the proposed amendment shall be circulated to all Contracting
States for ratification, acceptance or approval. Each amendment shall
enter into force 30 days after dispatch by the depositary of this Convention
of a notification to Contracting States that all Contracting States have
ratified, accepted or approved the amendment.
No amendment shall affect the rights and obligations under this Convention
of any Contracting State or of any of its constituent subdivisions or
agencies, or of any national of such State arising out of consent to the
jurisdiction of the Centre given before the date of entry into force of