| Country | Action | Action Date | Effective Date |
|---|
| ARGENTINA | Signature | 03/10/1952 | |
| AUSTRALIA | Signature | 12/08/1952 | |
| BELGIUM | Signature | 01/07/1952 | |
| CAMBODIA | Signature | 13/08/1952 | |
| CANADA | Signature | 13/06/1952 | |
| CEYLON | Signature | 16/06/1952 | |
| CHILE | Signature | 08/08/1952 | |
| CUBA | Signature | 15/08/1952 | |
| DOMINICAN REPUBLIC | Signature | 12/06/1952 | |
| FRANCE | Signature | 24/07/1952 | |
| GREECE | Signature | 20/06/1952 | |
| HAITI | Signature | 15/09/1952 | |
| IRAQ | Signature | 15/05/1953 | |
| IRAQ | Ratification | 18/08/1955 | |
| JAPAN | Signature | 12/06/1952 | |
| LEBANON | Signature | 03/10/1952 | |
| LIBERIA | Signature | 05/08/1952 | |
| MEXICO | Signature | 11/08/1952 | |
| NETHERLANDS THE | Signature | 05/03/1953 | |
| NETHERLANDS THE | Ratification | 10/09/1953 | |
| NEW ZEALAND | Signature | 19/06/1952 | |
| NORWAY | Signature | 09/09/1952 | |
| PAKISTAN | Signature | 16/07/1952 | |
| SOUTH AFRICA | Signature | 07/01/1952 | |
| TURKEY | Signature | 18/07/1952 | |
| UNITED KINGDOM | Signature | 14/07/1952 | |
| UNITED STATES OF AMERICA | Signature | 19/06/1952 | |
| VENEZUELA | Signature | 03/02/1954 | |