| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ARGENTINA | Signature | 29/11/1967 | |
| ARGENTINA | Ratification | 10/12/1968 | |
| AUSTRALIA | Signature | 27/10/1967 | |
| AUSTRALIA | Ratification | 25/03/1968 | |
| CANADA | Signature | 02/11/1967 | |
| CANADA | Ratification | 14/05/1968 | |
| DENMARK | Signature | 24/11/1967 | |
| DENMARK | Ratification | 12/06/1968 | |
| EUROPEAN ECONOMIC COMMUNITY | Acceptance | 28/11/1967 | |
| EUROPEAN ECONOMIC COMMUNITY | Ratification | 07/05/1970 | |
| FINLAND | Signature | 27/11/1967 | |
| FINLAND | Ratification | 13/06/1968 | |
| FRANCE | Approval | 27/11/1967 | |
| FRANCE | Ratification | 30/10/1969 | |
| GERMANY FEDERAL REPUBLIC | Signature | 17/11/1967 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 10/04/1969 | |
| ITALY | Signature | 20/11/1967 | |
| ITALY | Ratification | 30/12/1969 | |
| JAPAN | Signature | 09/11/1967 | |
| JAPAN | Reservation | 09/11/1967 | |
| JAPAN | Acceptance | 04/06/1968 | |
| LUXEMBOURG | Signature | 16/11/1967 | |
| LUXEMBOURG | Ratification | 29/09/1969 | |
| NETHERLANDS THE | Signature | 16/11/1967 | |
| NETHERLANDS THE | Ratification | 29/04/1969 | |
| NORWAY | Signature | 29/11/1967 | |
| NORWAY | Ratification | 17/06/1968 | |
| SWEDEN | Signature | 22/11/1967 | |
| SWEDEN | Ratification | 07/05/1968 | |
| SWITZERLAND | Signature | 28/11/1967 | |
| SWITZERLAND | Ratification | 29/04/1968 | |
| UNITED KINGDOM | Signature | 28/11/1967 | |
| UNITED KINGDOM | Ratification | 17/06/1968 | |
| UNITED STATES OF AMERICA | Signature | 08/11/1967 | |
| UNITED STATES OF AMERICA | Ratification | 15/06/1968 |