| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| COLOMBIA | Signature | 21/05/1963 | |
| LEBANON | Signature | 21/05/1963 | |
| PHILIPPINES | Signature | 21/05/1963 | |
| PHILIPPINES | Ratification | 15/11/1965 | |
| TAIWAN | Signature | 21/05/1963 | |
| UNITED KINGDOM | Signature | 11/11/1964 | |
| YUGOSLAVIA | Signature | 21/05/1963 |