| Country | Action | Action Date | Effective Date |
|---|
| ALGERIA | Signature | 29/06/1963 | |
| ALGERIA | Ratification | 28/10/1963 | |
| ARGENTINA | Accession | 04/10/1965 | |
| BELGIUM | Signature | 28/06/1963 | |
| BELGIUM | Ratification | 06/04/1965 | |
| FRANCE | Signature | 28/06/1963 | |
| FRANCE | Approval | 28/06/1963 | |
| GERMANY FEDERAL REPUBLIC | Signature | 25/10/1973 | |
| Guernsey | Extension | 17/03/1964 | |
| Isle of Man | Extension | 17/03/1964 | |
| ISRAEL | Signature | 25/06/1963 | |
| ISRAEL | Ratification | 28/09/1963 | |
| ITALY | Signature | 21/06/1963 | |
| ITALY | Ratification | 25/03/1965 | |
| Jersey, Bailiwick of | Extension | 17/03/1964 | |
| LIBYA | Accession | 13/08/1963 | |
| MOROCCO | Signature | 20/06/1963 | |
| MOROCCO | Ratification | 30/09/1963 | |
| PORTUGAL | Signature | 28/06/1963 | |
| PORTUGAL | Ratification | 13/06/1964 | |
| SPAIN | Signature | 28/06/1963 | |
| SPAIN | Ratification | 27/05/1964 | |
| TUNISIA | Signature | 22/06/1963 | |
| TUNISIA | Ratification | 15/03/1965 | |
| TURKEY | Signature | 28/06/1963 | |
| TURKEY | Approval | 26/10/1963 | |
| UNITED ARAB REPUBLIC | Signature | 21/05/1964 | |
| UNITED KINGDOM | Signature | 28/06/1963 | |
| UNITED KINGDOM | Ratification | 17/03/1964 | |
| UNITED KINGDOM | Declaration | 17/03/1964 | |