| Country | Action | Action Date | Effective Date |
|---|
| Anguilla | Extension | 22/05/1939 | |
| Antigua | Extension | 22/05/1939 | |
| ARGENTINA | Signature | 21/06/1936 | |
| ARGENTINA | Ratification | 14/03/1950 | |
| Bahamas | Extension | 30/09/1944 | |
| BAHAMAS | Succession | 25/05/1976 | |
| Barbados | Extension | 22/05/1939 | |
| BARBADOS | Ratification | 08/05/1967 | |
| Bechuanaland | Declaration | 03/04/1958 | |
| Bechuanaland | Extension | 08/02/1965 | |
| Bechuanaland | Declaration | 08/02/1965 | |
| BELGIUM | Signature | 21/06/1936 | |
| BELGIUM | Ratification | 26/07/1948 | |
| BELGIUM | Denunciation | 13/09/1999 | 13/09/2000 |
| BOTSWANA | Ratification | 18/10/1966 | |
| British Guiana | Extension | 22/05/1939 | |
| British Honduras | Extension | 22/05/1939 | |
| British Virgin Islands | Extension | 22/05/1939 | |
| Brunei | Extension | 22/05/1939 | |
| BURUNDI | Ratification | 11/03/1963 | |
| CAMEROON | Ratification | 03/09/1962 | |
| CAMEROON | Succession | 11/04/1975 | |
| Cameroons | Extension | 22/05/1939 | |
| Cayman Islands | Extension | 22/05/1939 | |
| Ceylon | Extension | 22/05/1939 | |
| Cook Islands | Extension | 08/07/1947 | |
| Dominica | Extension | 22/05/1939 | |
| Fiji | Extension | 22/05/1939 | |
| FIJI | Ratification | 19/04/1974 | |
| GHANA | Ratification | 20/05/1957 | |
| Gilbert And Ellice Islands | Extension | 22/05/1939 | |
| Gold Coast | Extension | 22/05/1939 | |
| Grenada | Extension | 22/05/1939 | |
| GRENADA | Succession | 09/07/1979 | 09/07/1979 |
| GUATEMALA | Ratification | 13/06/1989 | 13/06/1990 |
| Guernsey | Extension | 22/05/1939 | |
| GUYANA | Ratification | 08/06/1966 | |
| Hong Kong | Extension | 22/05/1939 | |
| Isle of Man | Extension | 22/05/1939 | |
| Jamaica | Extension | 22/05/1939 | |
| JAMAICA | Ratification | 26/12/1962 | |
| JAPAN | Signature | 21/06/1936 | |
| JAPAN | Ratification | 08/09/1938 | |
| Jersey | Extension | 22/05/1939 | |
| Kenya | Extension | 22/05/1939 | |
| KENYA | Ratification | 13/01/1964 | |
| Leeward Islands | Extension | 22/05/1939 | |
| MALAWI | Ratification | 07/06/1966 | |
| Malay States, Federated | Extension | 22/05/1939 | |
| Malay States, Unfederated | Extension | 22/05/1939 | |
| MALAYA | Ratification | 11/11/1957 | |
| MALAYSIA | Ratification | 03/03/1964 | |
| Mauritius | Extension | 22/05/1939 | |
| MAURITIUS | Ratification | 02/12/1969 | |
| MAURITIUS | Denunciation | 02/03/2000 | 02/03/2001 |
| Montserrat | Extension | 22/05/1939 | |
| NEW ZEALAND | Signature | 21/06/1936 | |
| NEW ZEALAND | Ratification | 08/07/1947 | 08/07/1948 |
| Nigeria | Extension | 22/05/1939 | |
| NIGERIA | Ratification | 17/10/1960 | |
| North Borneo | Extension | 22/05/1939 | |
| Northern Rhodesia | Extension | 22/05/1939 | |
| NORWAY | Signature | 21/06/1936 | |
| NORWAY | Ratification | 07/07/1937 | |
| Nyasaland | Extension | 22/05/1939 | |
| RWANDA | Ratification | 18/09/1962 | |
| SAINT LUCIA | Ratification | 14/05/1980 | 14/05/1980 |
| Sarawak | Extension | 22/05/1939 | |
| Seychelles | Extension | 22/05/1939 | |
| SEYCHELLES | Ratification | 06/02/1978 | 06/02/1978 |
| Sierra Leone | Extension | 22/05/1939 | |
| SIERRA LEONE | Ratification | 13/06/1961 | |
| SINGAPORE | Ratification | 25/10/1965 | |
| Solomon Islands Protectorate | Extension | 22/05/1939 | |
| SOMALIA | Ratification | 18/11/1960 | |
| SOMALIA | Denunciation | 15/09/1981 | 15/09/1982 |
| Somaliland Protectorate | Extension | 22/05/1939 | |
| Southern Rhodesia | Extension | 11/03/1940 | |
| Southern Rhodesia | Ratification | 06/06/1980 | |
| St Lucia | Extension | 22/05/1939 | |
| St Vincent | Extension | 22/05/1939 | |
| St. Christopher And Nevis | Extension | 22/05/1939 | |
| Straits Settlements | Extension | 22/05/1939 | |
| Swaziland | Extension | 03/04/1958 | |
| SWAZILAND | Ratification | 26/04/1978 | |
| Tanganyika | Extension | 22/05/1939 | |
| TANGANYIKA | Ratification | 30/01/1962 | |
| The Gambia | Extension | 22/05/1939 | |
| Tonga | Extension | 22/05/1939 | |
| Trinidad And Tobago | Extension | 22/05/1939 | |
| TRINIDAD AND TOBAGO | Ratification | 24/05/1963 | |
| Turks And Caicos Islands | Extension | 22/05/1939 | |
| Uganda | Extension | 22/05/1939 | |
| UGANDA | Ratification | 04/06/1963 | |
| UNITED KINGDOM | Signature | 21/06/1936 | |
| UNITED KINGDOM | Ratification | 22/05/1939 | |
| Western Samoa | Extension | 08/07/1947 | |
| ZAIRE | Ratification | 20/09/1960 | |
| ZAMBIA | Ratification | 02/12/1964 | |
| ZANZIBAR | Ratification | 13/04/1962 | |
| ZANZIBAR | Ratification | 22/06/1964 | |
| ZIMBABWE | Ratification | 06/06/1980 | |
| ZIMBABWE | Declaration | 06/06/1980 | |