NULL

Participant	Action	Date of Notification/Deposit	Date of Effect
Argentina	Ratification	23/06/1961	23/06/1961
Australia	Ratification	23/06/1961	23/06/1961
Belgium	Ratification	26/07/1960	23/06/1961
Brazil	Accession	16/05/1975	16/05/1975
Chile	Ratification	23/06/1961	23/06/1961
Czechoslovakia	Accession	14/06/1962
Denmark	Accession	20/05/1965
France	Ratification	16/09/1960	23/06/1961
German Democratic Republic	Accession	19/11/1974	19/11/1974
Japan	Ratification	04/08/1960	23/06/1961
Netherlands	Accession	30/03/1967
New Zealand	Ratification	01/11/1960	23/06/1961
None	Amendment	07/10/1977	08/09/1983
Norway	Ratification	24/08/1960	23/06/1961
Poland	Accession	08/06/1961	23/06/1961
Romania	Accession	15/09/1971
Union of South Africa	Ratification	21/06/1960	23/06/1961
Union of Soviet Socialist Republics	Ratification	02/11/1960	23/06/1961
United Kingdom of Great Britain and Northern Ireland	Ratification	31/05/1960	23/06/1961
United States of America	Ratification	18/08/1960	23/06/1961