| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ALGERIA | Ratification | 19/10/1962 | |
| ARGENTINA | Ratification | 14/03/1950 | |
| Aruba | Extension | 01/01/1986 | 01/01/1986 |
| AUSTRALIA | Ratification | 29/04/1959 | |
| AUSTRALIA | Declaration | 08/02/1996 | 08/02/1996 |
| AUSTRIA | Ratification | 26/02/1936 | |
| Bahamas | Extension | 02/05/1967 | |
| BAHAMAS | Succession | 25/05/1976 | |
| Barbados | Extension | 07/07/1964 | |
| BARBADOS | Ratification | 08/05/1967 | |
| Basutoland | Extension | 17/09/1964 | |
| Bechuanaland | Extension | 16/10/1964 | |
| Belgian Congo | Extension | 03/09/1957 | |
| BELGIUM | Ratification | 03/08/1949 | |
| BELIZE | Ratification | 15/12/1983 | 15/12/1983 |
| Bermuda | Extension | 22/02/1966 | |
| Bermuda | Declaration | 02/05/1967 | |
| BOLIVIA | Ratification | 19/07/1954 | |
| BRAZIL | Ratification | 08/06/1936 | |
| British Guiana | Extension | 24/11/1964 | |
| British Honduras | Extension | 21/05/1964 | |
| British Solomon Islands | Extension | 11/11/1964 | |
| British Virgin Islands | Decision Resvd. | 22/08/1966 | |
| Brunei | Extension | 26/04/1965 | |
| BULGARIA | Ratification | 29/12/1949 | |
| BURMA | Ratification | 17/05/1957 | |
| BURUNDI | Ratification | 11/03/1963 | |
| CHILE | Ratification | 14/10/1994 | 14/10/1995 |
| CHILE | Denunciation | 30/09/1999 | 30/09/2000 |
| COMOROS | Ratification | 23/10/1978 | 23/10/1978 |
| CUBA | Ratification | 22/10/1936 | |
| CZECH REPUBLIC | Succession | 01/01/1993 | 01/01/1993 |
| CZECHOSLOVAKIA | Ratification | 01/07/1949 | |
| DENMARK | Ratification | 22/06/1939 | |
| Dominica | Decision Resvd. | 24/09/1965 | |
| Falkland Islands | Extension | 01/03/1967 | |
| Fiji | Extension | 20/07/1965 | |
| FINLAND | Ratification | 20/01/1950 | |
| FRANCE | Ratification | 17/05/1948 | |
| GERMANY | Ratification | 14/06/1955 | |
| Gibraltar | Extension | 21/05/1964 | |
| Gilbert And Ellice Islands | Extension | 30/03/1965 | 30/03/1965 |
| GREECE | Ratification | 13/06/1952 | |
| Guernsey | Extension | 29/04/1936 | |
| GUYANA | Ratification | 08/06/1966 | |
| HAITI | Ratification | 19/04/1955 | |
| HONDURAS | Ratification | 17/11/1964 | |
| Hong Kong | Extension | 30/03/1965 | |
| Hong Kong | Declaration | 14/01/1981 | 01/01/1981 |
| HUNGARY | Ratification | 17/06/1935 | |
| INDIA | Ratification | 13/01/1964 | |
| IRAQ | Ratification | 25/07/1941 | |
| IRELAND, REPUBLIC OF | Ratification | 15/03/1937 | |
| Isle of Man | Extension | 29/04/1936 | |
| ITALY | Ratification | 22/10/1952 | |
| ITALY | Declaration | 23/06/1954 | |
| JAPAN | Ratification | 06/06/1936 | |
| Jersey | Extension | 29/04/1936 | |
| LUXEMBOURG | Ratification | 03/03/1958 | |
| MALTA | Ratification | 04/01/1965 | |
| Mauritius | Extension | 21/05/1964 | |
| MAURITIUS | Ratification | 02/12/1969 | |
| MEXICO | Ratification | 20/05/1937 | |
| Montserrat | Extension | 16/10/1964 | |
| Montserrat | Declaration | 26/10/1966 | |
| MOROCCO | Ratification | 20/05/1957 | |
| NETHERLANDS THE | Ratification | 01/09/1939 | |
| NETHERLANDS THE | Declaration | 13/07/1951 | |
| NETHERLANDS THE | Declaration | 01/01/1986 | 01/01/1986 |
| NEW ZEALAND | Ratification | 29/03/1938 | |
| Norfolk Island | Extension | 08/02/1996 | 08/02/1996 |
| Norfolk Island | Declaration | 08/02/1996 | 08/02/1996 |
| NORWAY | Ratification | 21/05/1935 | |
| PANAMA | Ratification | 16/02/1959 | |
| PAPUA NEW GUINEA | Succession | 01/05/1976 | |
| POLAND | Ratification | 29/09/1948 | |
| Ruanda Urundi | Extension | 03/09/1957 | |
| RWANDA | Ratification | 18/09/1962 | |
| Seychelles | Decision Resvd. | 10/03/1965 | |
| SLOVAK REPUBLIC | Succession | 01/01/1993 | 01/01/1993 |
| SOLOMON ISLANDS | Succession | 06/08/1985 | 06/08/1985 |
| Somaliland | Extension | 23/06/1954 | |
| SOUTH AFRICA | Ratification | 26/02/1952 | |
| SOUTH AFRICA | Declaration | 21/01/1958 | |
| South West Africa | Extension | 21/01/1958 | |
| SPAIN | Ratification | 24/06/1958 | |
| St Helena | Decision Resvd. | 12/06/1964 | |
| St Kitts Nevis Anguilla | Extension | 17/09/1964 | |
| St Lucia | Extension | 11/11/1964 | |
| Surinam | Extension | 13/07/1951 | |
| SURINAME | Succession | 15/06/1976 | |
| Swaziland | Extension | 12/06/1964 | |
| SWEDEN | Ratification | 24/02/1937 | |
| The Gambia | Extension | 21/05/1964 | |
| TURKEY | Ratification | 27/12/1946 | |
| UNITED KINGDOM | Signature | 21/06/1934 | |
| UNITED KINGDOM | Ratification | 29/04/1936 | |
| URUGUAY | Ratification | 18/03/1954 | |
| ZAIRE | Ratification | 20/09/1960 |