| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| BELGIUM | Definitive Signature | 23/08/1960 | |
| FRANCE | Definitive Signature | 23/08/1960 | |
| GERMANY FEDERAL REPUBLIC | Definitive Signature | 23/08/1960 | |
| GREECE | Definitive Signature | 23/08/1960 | |
| ISRAEL | Definitive Signature | 23/08/1960 | |
| ITALY | Definitive Signature | 23/08/1960 | |
| LUXEMBOURG | Definitive Signature | 23/08/1960 | |
| NETHERLANDS THE | Definitive Signature | 23/08/1960 | |
| UNITED KINGDOM | Signature | 23/08/1960 | |
| UNITED KINGDOM | Definitive Signature | 23/08/1960 | |
| UNITED STATES OF AMERICA | Definitive Signature | 23/08/1960 |