| Country | Action | Action Date | Effective Date |
|---|
| Antilles | Extension | 14/02/1964 | |
| Antilles | Withdrawal | 01/09/1983 | |
| BELGIUM | Signature | 11/04/1962 | |
| BELGIUM | Ratification | 10/02/1966 | |
| BULGARIA | Denunciation | 12/12/1984 | 12/12/1985 |
| CANADA | Signature | 11/04/1962 | |
| CANADA | Ratification | 05/07/1963 | |
| DENMARK | Signature | 11/04/1962 | |
| DENMARK | Ratification | 22/05/1964 | |
| FINLAND | Signature | 11/04/1962 | |
| FINLAND | Ratification | 14/03/1966 | |
| FRANCE | Signature | 11/04/1962 | |
| FRANCE | Ratification | 29/04/1963 | |
| GERMANY FEDERAL REPUBLIC | Signature | 11/04/1962 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 17/12/1964 | |
| GHANA | Acceptance | 01/01/1753 | |
| ICELAND | Acceptance | 18/05/1966 | |
| IRELAND, REPUBLIC OF | Signature | 11/04/1962 | |
| IRELAND, REPUBLIC OF | Ratification | 03/08/1965 | |
| IRELAND, REPUBLIC OF | Withdrawal | 06/01/1995 | 06/01/1996 |
| ISRAEL | Acceptance | 28/06/1966 | |
| ITALY | Acceptance | 28/07/1971 | |
| JORDAN | Acceptance | 14/12/1964 | |
| KUWAIT | Signature | 11/04/1962 | |
| KUWAIT | Ratification | 17/07/1963 | |
| LIBERIA | Acceptance | 21/08/1963 | |
| MALAGASY REPUBLIC | Acceptance | 21/06/1965 | |
| MONACO | Acceptance | 25/03/1970 | |
| MOROCCO | Acceptance | 29/02/1968 | |
| NETHERLANDS THE | Signature | 11/04/1962 | |
| NETHERLANDS THE | Ratification | 23/12/1963 | |
| NETHERLANDS THE | Declaration | 14/02/1964 | |
| NETHERLANDS THE | Withdrawal | 01/06/1983 | |
| NEW ZEALAND | Acceptance | 01/06/1971 | |
| NIGERIA | Acceptance | 22/01/1968 | |
| NORWAY | Signature | 11/04/1962 | |
| NORWAY | Ratification | 07/08/1963 | |
| PHILIPPINES | Acceptance | 09/11/1965 | |
| POLAND | Signature | 11/04/1962 | |
| POLAND | Ratification | 28/01/1963 | |
| SOVIET UNION | Acceptance | 03/09/1969 | |
| SWEDEN | Signature | 11/04/1962 | |
| SWEDEN | Ratification | 10/06/1963 | |
| SWITZERLAND | Acceptance | 11/05/1966 | |
| SYRIA | Acceptance | 24/12/1968 | |
| UNITED ARAB REPUBLIC | Acceptance | 03/10/1963 | |
| UNITED KINGDOM | Signature | 11/04/1962 | |
| UNITED KINGDOM | Ratification | 28/08/1963 | |
| UNITED STATES OF AMERICA | Signature | 11/04/1962 | |
| YEMEN | Acceptance | 20/05/1969 | |