| Country | Action | Action Date | Effective Date |
|---|
| Aruba | Extension | 01/01/1986 | |
| BELGIUM | Signature | 20/11/1963 | |
| BELGIUM | Ratification | 13/04/1967 | |
| Berlin West | Extension | 25/10/1966 | |
| FRANCE | Signature | 20/11/1963 | |
| FRANCE | Ratification | 10/08/1965 | |
| GERMANY FEDERAL REPUBLIC | Signature | 20/11/1963 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 25/10/1966 | |
| Netherlands Antilles | Extension | 13/04/1967 | |
| NETHERLANDS THE | Signature | 20/11/1963 | |
| NETHERLANDS THE | Ratification | 13/04/1967 | |
| SWITZERLAND | Signature | 20/11/1963 | |
| SWITZERLAND | Ratification | 10/06/1965 | |
| UNITED KINGDOM | Signature | 20/11/1963 | |
| UNITED KINGDOM | Ratification | 21/04/1965 | |