| Country | Action | Action Date | Effective Date |
|---|
| ARGENTINA | Signature | 14/11/1966 | |
| ARGENTINA | Ratification | 22/03/1967 | |
| AUSTRALIA | Signature | 14/11/1966 | |
| BARBADOS | Accession | 06/09/1967 | |
| BELGIUM | Signature | 14/11/1966 | |
| BELGIUM | Ratification | 31/12/1968 | |
| BOLIVIA | Accession | 09/01/1967 | |
| BRAZIL | Signature | 14/11/1966 | |
| CANADA | Signature | 14/11/1966 | |
| CHINA TAIWAN | Signature | 14/11/1966 | |
| CHINA TAIWAN | Declaration | 14/11/1966 | |
| COLOMBIA | Signature | 14/11/1966 | |
| COLOMBIA | Ratification | 20/02/1968 | |
| CONGO BRAZZAVILLE | Accession | 01/01/1967 | |
| COSTA RICA | Signature | 14/11/1966 | |
| COSTA RICA | Ratification | 12/02/1968 | |
| CUBA | Signature | 14/11/1966 | |
| CUBA | Declaration | 14/11/1966 | |
| CZECHOSLOVAKIA | Signature | 14/11/1966 | |
| CZECHOSLOVAKIA | Declaration | 01/03/1967 | |
| DENMARK | Signature | 14/11/1966 | |
| DOMINICAN REPUBLIC | Signature | 14/11/1966 | |
| ECUADOR | Signature | 14/11/1966 | |
| EL SALVADOR | Signature | 14/11/1966 | |
| FRANCE | Signature | 14/11/1966 | |
| FRANCE | Declaration | 14/11/1966 | |
| GERMANY FEDERAL REPUBLIC | Signature | 14/11/1966 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 19/04/1968 | |
| GHANA | Signature | 14/11/1966 | |
| GUATEMALA | Accession | 28/02/1967 | |
| GUATEMALA | Declaration | 28/02/1967 | |
| GUYANA | Accession | 01/01/1967 | |
| HAITI | Signature | 14/11/1966 | |
| HONDURAS | Accession | 15/11/1967 | |
| HUNGARY | Signature | 14/11/1966 | |
| HUNGARY | Reservation | 14/11/1966 | |
| INDIA | Signature | 14/11/1966 | |
| INDIA | Reservation | 14/11/1966 | |
| INDONESIA | Signature | 14/11/1966 | |
| IRELAND, REPUBLIC OF | Signature | 14/11/1966 | |
| IRELAND, REPUBLIC OF | Ratification | 30/06/1967 | |
| ITALY | Signature | 14/11/1966 | |
| JAMAICA | Signature | 14/11/1966 | |
| JAPAN | Signature | 14/11/1966 | |
| LEBANON | Signature | 14/11/1966 | |
| LUXEMBOURG | Signature | 14/11/1966 | |
| LUXEMBOURG | Ratification | 31/12/1968 | |
| MADAGASCAR | Signature | 14/11/1966 | |
| MADAGASCAR | Ratification | 20/03/1967 | |
| MEXICO | Signature | 14/11/1966 | |
| MEXICO | Ratification | 08/02/1968 | |
| MOROCCO | Signature | 14/11/1966 | |
| NETHERLANDS THE | Signature | 14/11/1966 | |
| NETHERLANDS THE | Ratification | 26/07/1967 | |
| NEW ZEALAND | Signature | 14/11/1966 | |
| NICARAGUA | Signature | 14/11/1966 | |
| NIGERIA | Signature | 14/11/1966 | |
| PANAMA | Accession | 10/03/1967 | |
| PARAGUAY | Signature | 14/11/1966 | |
| PERU | Signature | 14/11/1966 | |
| PERU | Ratification | 30/01/1967 | |
| PHILIPPINES | Signature | 14/11/1966 | |
| PHILIPPINES | Acceptance | 17/03/1967 | |
| POLAND | Signature | 14/11/1966 | |
| POLAND | Ratification | 14/12/1967 | |
| PORTUGAL | Signature | 14/11/1966 | |
| PORTUGAL | Ratification | 12/12/1967 | |
| SIERRA LEONE | Accession | 23/02/1967 | |
| SOUTH AFRICA | Signature | 14/11/1966 | |
| SOVIET UNION | Signature | 14/11/1966 | |
| SOVIET UNION | Reservation | 14/11/1966 | |
| TRINIDAD AND TOBAGO | Signature | 14/11/1966 | |
| TUNISIA | Signature | 14/11/1966 | |
| TUNISIA | Ratification | 03/04/1967 | |
| UNITED KINGDOM | Signature | 14/11/1966 | |
| UNITED KINGDOM | Declaration | 14/11/1966 | |
| UNITED KINGDOM | Statement | 14/11/1966 | |
| UNITED STATES OF AMERICA | Signature | 14/11/1966 | |
| UNITED STATES OF AMERICA | Ratification | 21/12/1967 | |