| Country | Action | Action Date | Effective Date |
|---|
| Aden Colony | Extension | 14/07/1939 | |
| AFGHANISTAN | Accession | 08/02/1985 | 09/04/1985 |
| AFGHANISTAN | Reservation | 08/02/1985 | 09/04/1985 |
| AFGHANISTAN | Declaration | 08/02/1985 | 09/04/1985 |
| ALBANIA | Signature | 23/09/1936 | |
| Antigua | Extension | 14/07/1939 | |
| ARGENTINE REPUBLIC | Signature | 23/09/1936 | |
| Ascension Island | Extension | 14/07/1939 | |
| AUSTRALIA | Accession | 25/06/1937 | |
| AUSTRALIA | Denunciation | 17/05/1985 | 17/05/1986 |
| AUSTRIA | Signature | 23/09/1936 | |
| Bahamas | Extension | 14/07/1939 | |
| Barbados | Extension | 14/07/1939 | |
| Basutoland | Extension | 14/07/1939 | |
| Bechuanaland | Extension | 14/07/1939 | |
| BELGIUM | Signature | 23/09/1936 | |
| BELGIUM | Declaration | 23/09/1936 | |
| Bermuda | Extension | 14/07/1939 | |
| BRAZIL | Signature | 23/09/1936 | |
| BRAZIL | Ratification | 11/02/1938 | |
| British Guiana | Extension | 14/07/1939 | |
| British Honduras | Extension | 14/07/1939 | |
| British Solomon Islands | Extension | 14/07/1939 | |
| British Virgin Islands | Extension | 14/07/1939 | |
| BULGARIA | Accession | 17/05/1972 | 16/07/1972 |
| BULGARIA | Reservation | 17/05/1972 | 16/07/1972 |
| BURMA | Accession | 13/10/1937 | |
| CAMEROON | Succession | 19/06/1967 | |
| Ceylon | Extension | 14/07/1939 | |
| CHILE | Signature | 23/09/1936 | |
| CHILE | Ratification | 20/02/1940 | |
| COLOMBIA | Signature | 23/09/1936 | |
| Curacao | Extension | 15/02/1939 | |
| Cyprus | Extension | 14/07/1939 | |
| CZECHOSLOVAKIA | Signature | 23/09/1936 | |
| CZECHOSLOVAKIA | Ratification | 29/01/1985 | 30/03/1985 |
| CZECHOSLOVAKIA | Reservation | 29/01/1985 | 30/03/1985 |
| CZECHOSLOVAKIA | Declaration | 29/01/1985 | 30/03/1985 |
| CZECHOSLOVAKIA | Withdrawal Res. | 26/04/1991 | |
| DENMARK | Signature | 23/09/1936 | |
| DENMARK | Ratification | 11/10/1937 | |
| Dominica | Extension | 14/07/1939 | |
| DOMINICAN REPUBLIC | Signature | 23/09/1936 | |
| East Indies | Extension | 15/02/1939 | |
| EGYPT | Signature | 23/09/1936 | |
| EGYPT | Ratification | 29/07/1938 | |
| ESTONIA | Signature | 23/09/1936 | |
| ESTONIA | Ratification | 18/08/1938 | |
| Falkland Island Dependencies | Extension | 14/07/1939 | |
| Fiji | Extension | 14/07/1939 | |
| FINLAND | Accession | 29/11/1938 | |
| FRANCE | Signature | 23/09/1936 | |
| FRANCE | Ratification | 08/03/1938 | |
| FRANCE | Declaration | 08/03/1938 | |
| FRANCE | Denunciation | 13/04/1984 | 13/04/1985 |
| GERMAN DEMOCRATIC REPUBLIC | Accession | 19/12/1984 | 17/02/1985 |
| GERMAN DEMOCRATIC REPUBLIC | Reservation | 19/12/1984 | |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 19/12/1985 | |
| Gibraltar | Extension | 14/07/1939 | |
| Gilbert & Ellice Colony | Extension | 14/07/1939 | |
| Gold Coast | Extension | 14/07/1939 | |
| GREECE | Signature | 23/09/1936 | |
| Grenada | Extension | 14/07/1939 | |
| GUATEMALA | Accession | 18/11/1938 | |
| HOLY SEE | Accession | 05/01/1967 | 06/03/1967 |
| Hong Kong | Extension | 14/07/1939 | |
| HUNGARY | Declaration | 17/05/1984 | 19/11/1984 |
| HUNGARY | Reservation | 17/05/1984 | 19/11/1984 |
| HUNGARY | Accession | 20/09/1984 | |
| INDIA | Signature | 23/09/1936 | |
| INDIA | Ratification | 11/08/1937 | |
| IRELAND, REPUBLIC OF | Accession | 25/05/1938 | |
| Jamaica | Extension | 14/07/1939 | |
| Kenya | Extension | 14/07/1939 | |
| LAOS | Accession | 23/03/1966 | |
| LATVIA | Accession | 25/04/1939 | |
| LIBERIA | Accession | 16/09/2005 | 15/11/2005 |
| LITHUANIA | Signature | 23/09/1936 | |
| LUXEMBOURG | Signature | 23/09/1936 | |
| LUXEMBOURG | Ratification | 08/02/1938 | |
| Malay States, Federated | Extension | 14/07/1939 | |
| Malay States, Unfederated | Extension | 14/07/1939 | |
| Malta | Extension | 14/07/1939 | |
| MALTA | Succession | 21/09/1964 | |
| Mauritius | Extension | 14/07/1939 | |
| MAURITIUS | Succession | 12/03/1968 | |
| MEXICO | Signature | 23/09/1936 | |
| MONGOLIA | Accession | 05/12/1985 | 03/02/1986 |
| MONGOLIA | Reservation | 05/12/1985 | |
| MONGOLIA | Declaration | 05/12/1985 | |
| MONGOLIA | Declaration | 05/12/1985 | 03/02/1986 |
| MONGOLIA | Withdrawal Res. | 19/07/1990 | 19/07/1990 |
| Montserrat | Extension | 14/07/1939 | |
| Nauru | Extension | 25/06/1937 | |
| NETHERLANDS THE | Signature | 23/09/1936 | |
| NETHERLANDS THE | Ratification | 15/02/1939 | |
| NETHERLANDS THE | Denunciation | 11/10/1982 | 11/10/1983 |
| New Guinea | Extension | 25/06/1937 | |
| New Hebrides | Extension | 14/07/1939 | |
| NEW ZEALAND | Signature | 23/09/1936 | |
| NEW ZEALAND | Ratification | 27/01/1938 | |
| Nigeria | Extension | 14/07/1939 | |
| Norfolk Island | Extension | 25/06/1937 | |
| North Borneo | Extension | 14/07/1939 | |
| Northern Rhodesia | Extension | 14/07/1939 | |
| NORWAY | Signature | 23/09/1936 | |
| NORWAY | Ratification | 05/05/1938 | |
| Nyasaland | Extension | 14/07/1939 | |
| Palestine | Extension | 14/07/1939 | |
| Papua | Extension | 25/06/1937 | |
| ROUMANIA | Signature | 23/09/1936 | |
| SALVADOR | Accession | 18/08/1938 | |
| Sarawak | Extension | 14/07/1939 | |
| Seychelles | Extension | 14/07/1939 | |
| Sierra Leone | Extension | 14/07/1939 | |
| Somaliland | Extension | 14/07/1939 | |
| SOUTH AFRICA | Accession | 01/02/1938 | |
| Southern Rhodesia | Accession | 01/11/1937 | |
| SOVIET UNION | Understanding | 01/01/1905 | |
| SOVIET UNION | Signature | 23/09/1936 | |
| SOVIET UNION | Declaration | 23/09/1936 | |
| SOVIET UNION | Ratification | 03/02/1983 | 04/04/1983 |
| SOVIET UNION | Reservation | 03/02/1983 | |
| SOVIET UNION | Declaration | 03/02/1983 | |
| SPAIN | Signature | 23/09/1936 | |
| SPAIN | Reservation | 23/09/1936 | |
| St Helena | Extension | 14/07/1939 | |
| St Lucia | Extension | 14/07/1939 | |
| St Vincent | Extension | 14/07/1939 | |
| St. Christopher And Nevis | Extension | 14/07/1939 | |
| Straits Settlements | Extension | 14/07/1939 | |
| Surinam | Extension | 15/02/1939 | |
| Swaziland | Extension | 14/07/1939 | |
| SWEDEN | Accession | 22/06/1938 | |
| SWITZERLAND | Signature | 23/09/1936 | |
| SWITZERLAND | Ratification | 30/12/1938 | |
| Tanganyika | Extension | 14/07/1939 | |
| The Gambia | Extension | 14/07/1939 | |
| Tonga | Extension | 14/07/1939 | |
| Transjordan | Extension | 14/07/1939 | |
| Trinidad And Tobago | Extension | 14/07/1939 | |
| TURKEY | Signature | 23/09/1936 | |
| Uganda | Extension | 14/07/1939 | |
| UNITED KINGDOM | Signature | 23/09/1936 | |
| UNITED KINGDOM | Ratification | 18/08/1937 | |
| UNITED KINGDOM | Objection | 12/05/1972 | |
| UNITED KINGDOM | Objection | 09/12/1983 | |
| UNITED KINGDOM | Objection | 24/09/1984 | |
| UNITED KINGDOM | Objection | 05/12/1984 | |
| UNITED KINGDOM | Withdrawal | 24/07/1985 | 24/07/1986 |
| URUGUAY | Signature | 23/09/1936 | |
| Zanzibar | Extension | 14/07/1939 | |
| ZIMBABWE | Succession | 01/12/1998 | 18/04/1980 |