(1) The present Convention shall remain open for
signature for three months from 5 April 1966 and shall thereafter
remain open for accession. Governments of States Members of the United
Nations, or of any of the Specialized Agencies, or of the International
Atomic Energy Agency, or parties to the Statute of the International
Court of Justice may become parties to the Convention by:
(2) Acceptance or accession shall be effected
by the deposit of an instrument of acceptance or accession with the
Organization which shall inform all Governments that have signed the
Convention or acceded to it of each new acceptance or accession and
of the date of its deposit.