| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| GERMANY FEDERAL REPUBLIC | Signature | 14/07/1960 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 14/06/1961 | 15/07/1961 |
| Hong Kong | Notification | 08/05/1973 | |
| Land Berlin | Extension | 10/05/1973 | |
| Land Berlin | Extension | 14/07/1960 | 15/07/1961 |
| UNITED KINGDOM | Signature | 14/07/1960 | |
| UNITED KINGDOM | Ratification | 14/06/1961 | 15/07/1961 |