| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ARGENTINA | Acceptance | 31/07/1956 | |
| AUSTRALIA | Acceptance | 09/12/1949 | |
| BELGIUM | Acceptance | 19/07/1951 | |
| BRAZIL | Acceptance | 27/09/1949 | |
| BULGARIA | Acceptance | 15/12/1953 | |
| BURMA | Acceptance | 23/12/1949 | |
| CANADA | Acceptance | 15/07/1949 | |
| CHILE | Acceptance | 23/05/1949 | |
| CHINA | Acceptance | 29/01/1958 | |
| CHINA | Reservation | 29/01/1958 | |
| COLOMBIA | Acceptance | 10/10/1952 | |
| CUBA | Acceptance | 22/02/1957 | |
| CZECHOSLOVAKIA | Acceptance | 09/11/1955 | |
| DENMARK | Acceptance | 28/11/1949 | |
| DOMINICAN REPUBLIC | Acceptance | 13/07/1949 | |
| ECUADOR | Acceptance | 13/12/1949 | |
| EGYPT | Acceptance | 08/09/1951 | |
| FINLAND | Acceptance | 06/09/1951 | |
| FRANCE | Acceptance | 23/04/1949 | |
| GERMAN DEMOCRATIC REPUBLIC | Acceptance | 25/02/1954 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 22/01/1954 | |
| GHANA | Acceptance | 11/07/1958 | |
| GREECE | Acceptance | 24/06/1950 | |
| HAITI | Acceptance | 26/05/1954 | |
| HUNGARY | Acceptance | 01/02/1952 | |
| ICELAND | Acceptance | 19/08/1949 | |
| INDIA | Acceptance | 28/03/1950 | |
| IRAQ | Acceptance | 08/08/1949 | |
| IRELAND, REPUBLIC OF | Acceptance | 16/10/1950 | |
| ISRAEL | Acceptance | 29/12/1953 | |
| ITALY | Acceptance | 19/02/1951 | |
| JAPAN | Acceptance | 01/01/1954 | |
| LIBERIA | Acceptance | 18/12/1953 | |
| MEXICO | Acceptance | 25/11/1949 | |
| MONACO | Notification | 12/04/1955 | |
| NETHERLANDS THE | Acceptance | 02/06/1949 | |
| NEW ZEALAND | Acceptance | 23/05/1949 | |
| NICARAGUA | Acceptance | 23/12/1949 | |
| NORWAY | Acceptance | 04/07/1952 | |
| PAKISTAN | Acceptance | 23/11/1949 | |
| PANAMA | Acceptance | 04/02/1954 | |
| PERU | Acceptance | 04/09/1952 | |
| PHILIPPINES | Acceptance | 03/03/1953 | |
| POLAND | Acceptance | 12/08/1949 | |
| PORTUGAL | Acceptance | 24/02/1953 | |
| ROMANIA | Acceptance | 10/01/1952 | |
| SOUTH AFRICA | Acceptance | 24/07/1950 | |
| SOVIET UNION | Acceptance | 19/07/1951 | |
| SPAIN | Acceptance | 05/08/1950 | |
| SWEDEN | Acceptance | 04/03/1950 | |
| SWITZERLAND | Acceptance | 11/01/1957 | |
| TAIWAN | Acceptance | 21/11/1966 | |
| THAILAND | Acceptance | 08/12/1955 | |
| TURKEY | Acceptance | 27/11/1950 | |
| UNITED KINGDOM | Acceptance | 14/06/1950 | |
| UNITED STATES OF AMERICA | Acceptance | 26/10/1951 | |
| URUGUAY | Acceptance | 18/08/1955 | |
| VENEZUELA | Acceptance | 28/12/1953 | |
| VIETNAM | Acceptance | 15/03/1956 | |
| YUGOSLAVIA | Acceptance | 07/10/1949 |