| Country | Action | Action Date | Effective Date |
|---|
| ARGENTINA | Signature | 11/10/1947 | |
| AUSTRALIA | Signature | 11/10/1947 | |
| Belgian Congo | Extension | 11/10/1947 | |
| BELGIUM | Signature | 11/10/1947 | |
| BELGIUM | Ratification | 02/02/1951 | |
| BRAZIL | Signature | 27/10/1947 | |
| BURMA | Signature | 11/10/1947 | |
| CANADA | Signature | 11/10/1947 | |
| CHILE | Signature | 11/10/1947 | |
| CHINA | Signature | 15/10/1947 | |
| COLOMBIA | Signature | 11/10/1947 | |
| CUBA | Signature | 11/10/1947 | |
| CZECHOSLOVAKIA | Signature | 11/10/1947 | |
| DENMARK | Signature | 11/10/1947 | |
| DOMINICAN REPUBLIC | Signature | 20/11/1947 | |
| ECUADOR | Signature | 20/11/1947 | |
| EGYPT | Signature | 11/10/1947 | |
| FINLAND | Signature | 11/10/1947 | |
| FRANCE | Signature | 11/10/1947 | |
| GREECE | Signature | 11/10/1947 | |
| GUATEMALA | Signature | 11/10/1947 | |
| HUNGARY | Signature | 11/10/1947 | |
| ICELAND | Signature | 11/10/1947 | |
| INDIA | Signature | 11/10/1947 | |
| ITALY | Signature | 11/10/1947 | |
| MEXICO | Signature | 11/10/1947 | |
| NETHERLANDS THE | Signature | 11/10/1947 | |
| NEW ZEALAND | Signature | 11/10/1947 | |
| NORWAY | Signature | 16/10/1947 | |
| PAKISTAN | Signature | 11/10/1947 | |
| PARAGUAY | Signature | 11/10/1947 | |
| PHILIPPINES | Signature | 11/10/1947 | |
| POLAND | Signature | 11/10/1947 | |
| PORTUGAL | Signature | 11/10/1947 | |
| SIAM | Signature | 11/10/1947 | |
| SOUTH AFRICA | Signature | 11/10/1947 | |
| SWEDEN | Signature | 11/10/1947 | |
| TURKEY | Signature | 11/10/1947 | |
| UNITED KINGDOM | Signature | 11/10/1947 | |
| UNITED STATES OF AMERICA | Signature | 11/10/1947 | |
| UNITED STATES OF AMERICA | Ratification | 04/05/1949 | |
| URUGUAY | Signature | 11/10/1947 | |
| YUGOSLAVIA | Signature | 11/10/1947 | |
| YUGOSLAVIA | Ratification | 07/12/1948 | |