| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| BELGIUM | Signature | 29/03/1962 | 29/03/1962 |
| CANADA | Signature | 29/03/1962 | 29/03/1962 |
| EUROPEAN ECONOMIC COMMUNITY | Signature | 29/03/1962 | 29/03/1962 |
| FRANCE | Signature | 29/03/1962 | 29/03/1962 |
| GERMANY FEDERAL REPUBLIC | Signature | 29/03/1962 | 29/03/1962 |
| ITALY | Signature | 29/03/1962 | 29/03/1962 |
| LUXEMBOURG | Signature | 29/03/1962 | 29/03/1962 |
| NETHERLANDS THE | Signature | 29/03/1962 | 29/03/1962 |