(1) The present Convention may be denounced by
any Contracting Government at any time after the expiry of five years
from the date on which the Convention comes into force for that Government.
(2) Denunciation shall be effected by a notification
in writing addressed to the Organization which shall inform all the
other Contracting Governments of any such notification received and
of the date of its receipt.
(3) A denunciation shall take effect one year,
or such longer period as may be specified in the notification, after
its receipt by the Organization.