Article XXI

The Director-General of the United Nations Educational, Scientific and Cultural Organization shall send duly certified copies of this Convention to the States interested, to the Swiss Federal Council and to the Secretary-General of the United Nations for registration by him.
He shall also inform all interested States of the ratifications, acceptances and accessions which have been deposited, the date on which this Convention comes into force, the notifications under Article XIII of this Convention, and denunciations under Article XIV.