| Country | Action | Action Date | Effective Date |
|---|
| Aden Colony | Extension | 25/09/1945 | 25/09/1945 |
| Antigua | Extension | 29/11/1945 | 29/11/1945 |
| AUSTRALIA | Accession | 03/04/1945 | |
| AUSTRALIA | Reservation | 03/04/1945 | |
| Barbados | Extension | 29/11/1945 | 29/11/1945 |
| Basutoland | Extension | 25/09/1945 | 25/09/1945 |
| Bechuanaland | Extension | 29/11/1945 | 29/11/1945 |
| Belgian Congo | Extension | 25/01/1946 | |
| BELGIUM | Accession | 25/01/1946 | |
| British Guiana | Extension | 25/02/1946 | 25/02/1946 |
| British Honduras | Extension | 29/11/1945 | 29/11/1945 |
| British Solomon Islands | Extension | 21/02/1945 | 21/02/1945 |
| British Virgin Islands | Extension | 29/11/1945 | 29/11/1945 |
| CAMBODIA | Accession | 08/08/1950 | |
| CANADA | Signature | 15/01/1945 | |
| CANADA | Ratification | 20/11/1945 | |
| Ceylon | Extension | 21/02/1945 | 21/02/1945 |
| CEYLON | Succession | 26/01/1951 | |
| CHINA | Signature | 11/01/1945 | |
| CUBA | Signature | 15/01/1945 | |
| Cyprus | Extension | 21/02/1945 | 21/02/1945 |
| CZECHOSLOVAKIA | Signature | 15/01/1945 | |
| CZECHOSLOVAKIA | Ratification | 30/04/1946 | |
| DENMARK | Accession | 23/08/1946 | |
| Dominica | Extension | 29/11/1945 | 29/11/1945 |
| DOMINICAN REPUBLIC | Signature | 15/01/1945 | |
| DOMINICAN REPUBLIC | Ratification | 20/05/1946 | |
| ECUADOR | Signature | 15/01/1945 | |
| EGYPT | Signature | 15/01/1945 | |
| EGYPT | Reservation | 15/01/1945 | |
| EGYPT | Declaration | 15/01/1945 | |
| ETHIOPIA | Accession | 04/08/1949 | |
| Falkland Island Dependencies | Extension | 21/02/1945 | 21/02/1945 |
| Fiji | Extension | 21/02/1945 | 21/02/1945 |
| FINLAND | Accession | 12/08/1949 | |
| FRANCE | Signature | 05/01/1945 | |
| FRANCE | Declaration | 05/01/1945 | |
| Gibraltar | Extension | 21/02/1945 | 21/02/1945 |
| Gilbert And Ellice Islands | Extension | 21/02/1945 | 21/02/1945 |
| Gold Coast | Extension | 21/02/1945 | 21/02/1945 |
| GREECE | Signature | 15/01/1945 | |
| Grenada | Extension | 29/11/1945 | 29/11/1945 |
| HAYTI | Signature | 15/01/1945 | |
| HONDURAS | Signature | 15/01/1945 | |
| Hong Kong | Extension | 07/01/1947 | |
| INDIA | Accession | 28/08/1947 | |
| INDIA | Reservation | 28/08/1947 | 23/02/1950 |
| ITALY | Accession | 30/04/1946 | |
| Jamaica | Extension | 06/06/1946 | 06/06/1946 |
| Kenya | Extension | 21/02/1945 | 21/02/1945 |
| LAOS | Accession | 26/09/1950 | |
| LUXEMBOURG | Signature | 15/01/1945 | |
| Malaya | Extension | 17/11/1947 | |
| Mauritius | Extension | 25/09/1945 | 25/09/1945 |
| Montserrat | Extension | 29/11/1945 | 29/11/1945 |
| NETHERLANDS THE | Accession | 22/05/1945 | |
| NEW ZEALAND | Accession | 22/05/1945 | |
| Newfoundland (UK) | Extension | 21/02/1945 | 21/02/1945 |
| NICARAGUA | Signature | 15/01/1945 | |
| Nigeria | Extension | 21/02/1945 | 21/02/1945 |
| Northern Rhodesia | Extension | 21/02/1945 | 21/02/1945 |
| Nyasaland | Extension | 21/02/1945 | 21/02/1945 |
| Palestine | Extension | 21/02/1945 | 21/02/1945 |
| PERU | Signature | 15/01/1945 | |
| PERU | Reservation | 15/01/1945 | |
| POLAND | Signature | 05/01/1945 | |
| Ruanda Urundi | Extension | 25/01/1946 | |
| Seychelles | Extension | 25/09/1945 | 25/09/1945 |
| Sierra Leone | Extension | 21/02/1945 | 21/02/1945 |
| Singapore | Extension | 17/11/1947 | |
| SOUTH AFRICA | Signature | 13/01/1945 | |
| St Helena And Dependencies | Extension | 21/02/1945 | 21/02/1945 |
| St Lucia | Extension | 29/11/1945 | 29/11/1945 |
| St Vincent | Extension | 29/11/1945 | 29/11/1945 |
| St. Christopher And Nevis | Extension | 29/11/1945 | 29/11/1945 |
| Swaziland | Extension | 25/09/1945 | 25/09/1945 |
| SYRIA | Accession | 31/10/1946 | |
| Tanganyika | Extension | 21/02/1945 | 21/02/1945 |
| The Gambia | Extension | 21/02/1945 | 21/02/1945 |
| Transjordan | Extension | 21/02/1945 | 21/02/1945 |
| Trinidad | Extension | 29/11/1945 | 29/11/1945 |
| TURKEY | Accession | 26/08/1948 | |
| Uganda | Extension | 21/02/1945 | 21/02/1945 |
| UNITED KINGDOM | Signature | 05/01/1945 | |
| UNITED STATES OF AMERICA | Signature | 05/01/1945 | |
| UNITED STATES OF AMERICA | Ratification | 29/05/1945 | |
| VIETNAM | Accession | 08/08/1950 | |
| Zanzibar | Extension | 21/02/1945 | 21/02/1945 |