| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| BELGIUM | Notification | 01/02/1958 | |
| FRANCE | Notification | 01/02/1958 | |
| GERMANY FEDERAL REPUBLIC | Notification | 01/02/1958 | |
| ITALY | Notification | 01/02/1958 | |
| LUXEMBOURG | Notification | 01/02/1958 | |
| NETHERLANDS THE | Notification | 01/02/1958 | |
| UNITED KINGDOM |