| Country | Action | Action Date | Effective Date |
|---|
| BELGIUM | Signature | 12/09/1963 | |
| BELGIUM | Ratification | 28/10/1964 | |
| BELGIUM | Notification | 17/11/1964 | |
| FRANCE | Signature | 12/09/1963 | |
| FRANCE | Ratification | 28/10/1964 | |
| FRANCE | Notification | 17/11/1964 | |
| GERMANY FEDERAL REPUBLIC | Signature | 12/09/1963 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 28/10/1964 | |
| GERMANY FEDERAL REPUBLIC | Notification | 17/11/1964 | |
| ITALY | Signature | 12/09/1963 | |
| ITALY | Ratification | 28/10/1964 | |
| ITALY | Notification | 17/11/1964 | |
| LUXEMBOURG | Signature | 12/09/1963 | |
| LUXEMBOURG | Ratification | 28/10/1964 | |
| LUXEMBOURG | Notification | 17/11/1964 | |
| NETHERLANDS THE | Signature | 12/09/1963 | |
| NETHERLANDS THE | Ratification | 28/10/1964 | |
| NETHERLANDS THE | Notification | 17/11/1964 | |
| UNITED KINGDOM | | | |