| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ALGERIA | Ratification | 10/10/1962 | |
| Anguilla | Decision Resvd. | 12/06/1964 | |
| ARGENTINA | Ratification | 14/03/1950 | |
| AZERBAIJAN | Ratification | 19/05/1992 | 19/05/1992 |
| BANGLADESH | Ratification | 22/06/1972 | |
| BELGIUM | Ratification | 02/07/1952 | |
| Bermuda | Decision Resvd. | 04/02/1963 | |
| BOSNIA AND HERZEGOVINA | Ratification | 02/06/1993 | 02/06/1993 |
| British Guiana | Extension | 10/03/1965 | |
| British Virgin Islands | Decision Resvd. | 28/02/1966 | |
| Brunei | Decision Resvd. | 03/08/1964 | |
| BULGARIA | Ratification | 29/12/1949 | |
| BYELORUSSIA S S R | Ratification | 11/03/1970 | |
| CANADA | Ratification | 06/04/1946 | |
| CHILE | Ratification | 18/10/1935 | |
| CHINA | Ratification | 30/11/1935 | |
| CROATIA | Ratification | 08/10/1991 | 08/10/1991 |
| CUBA | Ratification | 19/07/1954 | |
| CUBA | Denunciation | 15/10/1982 | |
| DENMARK | Ratification | 22/06/1970 | |
| Falkland Islands | Extension | 29/12/1964 | |
| FINLAND | Ratification | 23/08/1949 | |
| FINLAND | Denunciation | 03/07/1981 | |
| FRANCE | Ratification | 27/05/1955 | |
| FRANCE | Application | 27/11/1974 | |
| GAMBIA THE | Ratification | 21/05/1964 | |
| Gibraltar | Decision Resvd. | 07/03/1963 | |
| Guernsey | Extension | 10/01/1935 | |
| HONDURAS | Ratification | 17/11/1964 | |
| Hong Kong | Extension | 02/02/1979 | |
| INDIA | Ratification | 10/02/1947 | |
| IRELAND, REPUBLIC OF | Ratification | 13/06/1972 | 13/06/1973 |
| Isle of Man | Extension | 10/01/1935 | |
| ITALY | Ratification | 30/10/1933 | |
| Jersey | Extension | 10/01/1935 | |
| KENYA | Ratification | 18/02/1963 | |
| KYRGYZSTAN | Ratification | 31/03/1992 | 31/03/1992 |
| MALAYSIA | Ratification | 03/03/1964 | |
| Malta | Extension | 18/02/1963 | |
| MALTA | Ratification | 04/01/1965 | |
| Mauritius | Extension | 09/09/1963 | |
| MAURITIUS | Ratification | 02/12/1969 | |
| MEXICO | Ratification | 12/05/1934 | |
| MEXICO | Denunciation | 10/02/1980 | |
| Montserrat | Decision Resvd. | 04/02/1963 | |
| NETHERLANDS THE | Ratification | 25/08/1964 | |
| Netherlands West Indies | Decision Resvd. | 03/08/1964 | |
| NEW ZEALAND | Ratification | 29/03/1938 | |
| NIGERIA | Ratification | 16/06/1961 | |
| NORWAY | Ratification | 23/06/1956 | |
| NORWAY | Denunciation | 05/12/1980 | |
| PAKISTAN | Ratification | 10/02/1947 | |
| PANAMA | Ratification | 04/06/1971 | |
| PERU | Ratification | 04/04/1962 | |
| SIERRA LEONE | Ratification | 15/06/1961 | |
| SINGAPORE | Ratification | 25/10/1965 | |
| SLOVENIA | Ratification | 09/06/1992 | 09/06/1992 |
| SOVIET UNION | Ratification | 04/11/1969 | |
| SPAIN | Ratification | 28/07/1934 | |
| SPAIN | Denunciation | 03/03/1982 | |
| St Helena | Decision Resvd. | 05/09/1966 | |
| SWEDEN | Ratification | 03/08/1938 | |
| SWEDEN | Denunciation | 13/06/1980 | |
| TAJIKISTAN | Ratification | 26/11/1993 | 26/11/1993 |
| TANGANYIKA | Ratification | 19/11/1962 | |
| TUNISIA | Ratification | 14/04/1970 | |
| UKRAINE | Ratification | 17/06/1970 | |
| UNITED KINGDOM | Signature | 27/04/1932 | |
| UNITED KINGDOM | Ratification | 10/01/1935 | |
| URUGUAY | Ratification | 06/06/1933 | |
| YUGOSLAVIA | Ratification | 06/03/1975 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Ratification | 24/11/2000 | 24/11/2000 |