| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| Aden Colony | Extension | 28/07/1950 | 28/07/1950 |
| AUSTRIA | Signature | 27/12/1949 | |
| AUSTRIA | Denunciation | 01/01/1962 | 01/01/1962 |
| AUSTRIA | Denunciation | 15/10/1963 | 01/01/1965 |
| BELGO-LUXEMBOURG ECONOMIC UNION | Signature | 16/06/1949 | |
| BELGO-LUXEMBOURG ECONOMIC UNION | Declaration | 01/06/1954 | |
| British Guiana | Extension | 18/10/1950 | 18/10/1950 |
| British Honduras | Extension | 18/10/1950 | 18/10/1950 |
| Brunei | Extension | 07/09/1951 | |
| Cyprus | Extension | 28/07/1950 | 28/07/1950 |
| CZECHOSLOVAKIA | Signature | 28/12/1949 | |
| DENMARK | Signature | 29/12/1949 | |
| DENMARK | Declaration | 01/06/1954 | |
| DENMARK | Denunciation | 01/01/1962 | 01/01/1962 |
| Fiji | Extension | 28/07/1950 | 28/07/1950 |
| FRANCE | Signature | 16/06/1949 | |
| FRANCE | Declaration | 01/06/1954 | |
| FRANCE | Denunciation | 16/05/1960 | 01/01/1961 |
| Gibraltar | Extension | 17/03/1950 | |
| GREECE | Declaration | 01/06/1954 | |
| ITALY | Signature | 16/06/1949 | |
| ITALY | Ratification | 26/01/1954 | |
| ITALY | Denunciation | 01/01/1965 | 01/01/1965 |
| Jamaica | Extension | 07/09/1951 | |
| Kenya | Extension | 07/09/1951 | 07/09/1951 |
| Leeward Islands | Extension | 18/10/1950 | 18/10/1950 |
| Malay States, Federated | Extension | 18/10/1950 | 18/10/1950 |
| Malta | Extension | 17/03/1950 | |
| Mauritius | Extension | 17/03/1950 | |
| NETHERLANDS THE | Signature | 16/06/1949 | |
| NETHERLANDS THE | Declaration | 10/04/1952 | |
| NETHERLANDS THE | Declaration | 01/06/1954 | |
| NETHERLANDS THE | Denunciation | 15/09/1960 | 01/01/1961 |
| North Borneo | Extension | 18/10/1950 | |
| Northern Rhodesia | Extension | 06/02/1952 | |
| NORWAY | Signature | 16/06/1949 | |
| NORWAY | Denunciation | 01/01/1961 | 01/01/1961 |
| NORWAY | Denunciation | 01/01/1966 | 01/01/1966 |
| Nyasaland | Extension | 17/03/1950 | |
| Nyasaland | Extension | 06/02/1952 | |
| POLAND | Accession | 07/01/1959 | |
| POLAND | Denunciation | 01/01/1963 | 01/01/1963 |
| Sarawak | Extension | 17/03/1950 | |
| Seychelles | Extension | 28/07/1950 | 28/07/1950 |
| Sierra Leone | Extension | 18/10/1950 | 18/10/1950 |
| Singapore | Extension | 18/10/1950 | 18/10/1950 |
| Somaliland Protectorate | Extension | 17/03/1950 | |
| SOUTH AFRICA | Declaration | 01/06/1954 | |
| St Helena | Extension | 28/07/1950 | 28/07/1950 |
| SWEDEN | Accession | 07/12/1950 | |
| SWEDEN | Denunciation | 25/02/1959 | 01/01/1960 |
| SWITZERLAND | Signature | 16/06/1949 | |
| SWITZERLAND | Declaration | 06/12/1949 | |
| SWITZERLAND | Declaration | 01/06/1954 | |
| SWITZERLAND | Denunciation | 07/07/1960 | 01/01/1961 |
| Tanganyika | Extension | 07/09/1951 | 07/09/1951 |
| The Gambia | Extension | 06/02/1952 | |
| Trinidad | Extension | 18/10/1950 | 18/10/1950 |
| TURKEY | Accession | 16/01/1957 | |
| TURKEY | Denunciation | 01/01/1965 | 01/01/1965 |
| Uganda | Extension | 07/09/1951 | 07/09/1951 |
| UNITED KINGDOM | Signature | 16/06/1949 | |
| UNITED KINGDOM | Declaration | 17/03/1950 | |
| UNITED KINGDOM | Declaration | 28/07/1950 | 28/07/1950 |
| UNITED KINGDOM | Declaration | 18/10/1950 | 18/10/1950 |
| UNITED KINGDOM | Declaration | 07/09/1951 | |
| UNITED KINGDOM | Declaration | 06/02/1952 | |
| UNITED KINGDOM | Declaration | 01/06/1954 | |
| UNITED KINGDOM | Denunciation | 30/09/1958 | 01/01/1959 |
| UNITED KINGDOM | Denunciation | 29/07/1959 | 01/01/1960 |
| Windward Islands | Extension | 18/10/1950 | 18/10/1950 |
| YUGOSLAVIA | Accession | 10/07/1958 | |
| YUGOSLAVIA | Denunciation | 08/12/1960 | 01/01/1962 |
| YUGOSLAVIA | Denunciation | 29/01/1964 | 01/01/1965 |
| Zanzibar | Extension | 07/09/1951 | 07/09/1951 |