| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ALGERIA | Ratification | 19/10/1962 | |
| Anguilla | Extension | 20/08/1963 | |
| AUSTRALIA | Ratification | 05/09/1939 | |
| AUSTRALIA | Reservation | 15/06/1973 | |
| AUSTRALIA | Declaration | 26/04/1974 | 26/04/1974 |
| AUSTRIA | Ratification | 26/11/1958 | |
| Barbados | Extension | 21/05/1964 | |
| BARBADOS | Ratification | 08/05/1967 | |
| Bechuanaland | Extension | 26/04/1965 | |
| Bermuda | Extension | 04/02/1963 | |
| British Guiana | Extension | 24/11/1964 | |
| British Virgin Islands | Extension | 22/08/1966 | |
| Brunei | Extension | 26/04/1965 | |
| BURMA | Ratification | 04/03/1955 | |
| BURMA | Denunciation | 20/06/1961 | |
| BURMA | Ratification | 24/11/1961 | 24/12/1962 |
| BURMA | Declaration | 24/11/1961 | |
| CANADA | Ratification | 06/06/1946 | |
| CEYLON | Ratification | 25/08/1952 | |
| CHILE | Ratification | 10/05/1957 | |
| CUBA | Ratification | 07/09/1954 | |
| CZECHOSLOVAKIA | Ratification | 12/06/1950 | |
| DENMARK | Ratification | 22/06/1939 | |
| DJIBOUTI | Ratification | 03/08/1978 | |
| Dominica | Extension | 15/10/1963 | |
| EGYPT | Ratification | 05/10/1940 | |
| Falkland Islands | Extension | 08/05/1963 | |
| FINLAND | Ratification | 08/04/1947 | 08/04/1948 |
| FRANCE | Ratification | 28/06/1951 | |
| French Overseas Territories | Extension | 27/11/1974 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 22/06/1954 | |
| Gibraltar | Extension | 12/06/1964 | |
| Gilbert And Ellice Islands | Extension | 21/05/1964 | |
| GUATEMALA | Ratification | 04/08/1961 | |
| Guernsey | Extension | 26/05/1947 | |
| Hong Kong | Extension | 15/10/1963 | |
| IRELAND, REPUBLIC OF | Ratification | 09/10/1946 | |
| Isle of Man | Extension | 26/05/1947 | |
| Jersey | Extension | 26/05/1947 | |
| KENYA | Ratification | 13/01/1964 | |
| Malta | Extension | 15/10/1963 | |
| Mauritius | Extension | 05/09/1966 | |
| MAURITIUS | Ratification | 02/12/1969 | |
| MEXICO | Ratification | 16/07/1942 | |
| Montserrat | Extension | 04/02/1963 | |
| NETHERLANDS THE | Ratification | 09/03/1940 | |
| Netherlands West Indies | Extension | 03/08/1964 | |
| NEW ZEALAND | Ratification | 18/01/1940 | |
| NICARAGUA | Ratification | 01/10/1981 | 01/10/1982 |
| Northern Rhodesia | Extension | 20/11/1963 | |
| NORWAY | Ratification | 29/03/1940 | |
| PANAMA | Ratification | 15/07/1971 | |
| PORTUGAL | Ratification | 24/02/1983 | 24/02/1984 |
| SOUTH AFRICA | Ratification | 08/08/1939 | |
| SPAIN | Ratification | 05/05/1971 | |
| St Helena | Extension | 16/06/1965 | |
| St Lucia | Extension | 22/01/1965 | |
| SWEDEN | Ratification | 21/06/1939 | |
| SWITZERLAND | Ratification | 23/05/1940 | |
| SYRIA | Ratification | 26/07/1960 | |
| TANGANYIKA | Ratification | 19/11/1962 | |
| Tanganyika | Extension | 22/06/1964 | |
| The Gambia | Extension | 21/05/1964 | |
| UNITED KINGDOM | Ratification | 26/05/1947 | |
| URUGUAY | Ratification | 18/03/1954 | |
| Zanzibar | Extension | 15/10/1963 | |
| ZANZIBAR | Ratification | 22/06/1964 |