| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| Algeria | Extension | 29/10/1959 | |
| ARGENTINA | Signature | 01/12/1954 | |
| ARGENTINA | Declaration | 01/12/1954 | |
| AUSTRALIA | Signature | 01/12/1954 | |
| AUSTRALIA | Ratification | 10/01/1956 | |
| AUSTRIA | Accession | 22/12/1959 | |
| BELGIUM | Signature | 01/12/1954 | |
| BELGIUM | Ratification | 20/07/1960 | |
| BRAZIL | Accession | 25/06/1959 | |
| BRAZIL | Withdrawal | 23/12/1965 | |
| BULGARIA | Accession | 17/09/1968 | |
| BULGARIA | Reservation | 17/09/1968 | |
| CAMEROON | Accession | 17/08/1972 | |
| CANADA | Signature | 01/12/1954 | |
| CANADA | Ratification | 14/06/1962 | |
| CENTRAL AFRICAN REPUBLIC | Communication | 04/08/1959 | |
| CENTRAL AFRICAN REPUBLIC | Accession | 01/01/1960 | |
| CHAD | Accession | 01/01/1960 | |
| CHILE | Accession | 10/06/1971 | |
| CHINA | Accession | 16/11/1978 | |
| CUBA | Accession | 17/02/1971 | |
| CZECHOSLOVAKIA | Signature | 01/12/1954 | |
| CZECHOSLOVAKIA | Ratification | 27/03/1956 | |
| DENMARK | Signature | 01/12/1954 | |
| DENMARK | Ratification | 10/02/1956 | |
| EGYPT | Accession | 18/07/1967 | |
| FINLAND | Accession | 22/03/1960 | |
| FRANCE | Signature | 01/12/1954 | |
| FRANCE | Notification | 12/07/1956 | |
| FRANCE | Ratification | 29/10/1959 | |
| French West Africa | Extension | 29/10/1959 | |
| GABON | Accession | 01/01/1960 | |
| GERMAN DEMOCRATIC REPUBLIC | Accession | 08/04/1975 | |
| GERMANY FEDERAL REPUBLIC | Signature | 01/12/1954 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 10/03/1958 | |
| GREECE | Signature | 01/12/1954 | |
| GUINEA | Accession | 25/03/1965 | |
| HUNGARY | Accession | 30/11/1955 | |
| IRELAND, REPUBLIC OF | Accession | 14/10/1964 | |
| ISRAEL | Accession | 10/04/1955 | 10/04/1956 |
| ITALY | Signature | 01/12/1954 | |
| ITALY | Ratification | 25/07/1960 | |
| IVORY COAST | Accession | 15/05/1963 | |
| JAPAN | Signature | 01/12/1954 | |
| Land Berlin | Extension | 10/03/1958 | |
| MADAGASCAR | Accession | 01/01/1960 | |
| MALI | Accession | 01/01/1960 | |
| MAURITANIA | Accession | 01/01/1960 | |
| MAURITANIA | Withdrawal | 06/10/1971 | |
| MOROCCO | Accession | 15/12/1958 | |
| Morocco | Extension | 29/10/1959 | |
| NETHERLANDS THE | Signature | 01/12/1954 | |
| NETHERLANDS THE | Ratification | 02/06/1960 | |
| NEW ZEALAND | Signature | 01/12/1954 | |
| NEW ZEALAND | Ratification | 24/05/1963 | |
| NIGER | Accession | 20/06/1962 | 01/01/1963 |
| NIGERIA | Declaration | 17/01/1963 | |
| NIGERIA | Accession | 15/05/1963 | 01/01/1963 |
| NIGERIA | Withdrawal | 05/12/1966 | |
| NORWAY | Signature | 01/12/1954 | |
| NORWAY | Ratification | 11/10/1955 | |
| PAKISTAN | Accession | 25/08/1959 | |
| PAKISTAN | Withdrawal | 06/01/1966 | |
| POLAND | Signature | 01/12/1954 | |
| PORTUGAL | Signature | 01/12/1954 | |
| PORTUGAL | Ratification | 29/01/1957 | |
| QATAR | Communication | 04/12/1998 | |
| ROUMANIA | Accession | 20/11/1956 | |
| SENEGAL | Accession | 01/01/1961 | |
| SOUTH AFRICA | Signature | 01/12/1954 | |
| SOUTH AFRICA | Ratification | 20/12/1955 | |
| SOVIET UNION | Signature | 01/12/1954 | |
| SOVIET UNION | Ratification | 02/08/1957 | |
| SPAIN | Signature | 01/12/1954 | |
| SPAIN | Ratification | 06/07/1956 | |
| SWEDEN | Accession | 07/07/1955 | |
| SWITZERLAND | Accession | 07/09/1955 | |
| TOGO | Accession | 08/10/1973 | |
| Tunisia | Extension | 29/10/1959 | |
| UNITED KINGDOM | Signature | 01/12/1954 | |
| UNITED KINGDOM | Signature | 17/03/1955 | |
| UNITED KINGDOM | Ratification | 17/07/1962 | |
| UNITED STATES OF AMERICA | Accession | 20/11/1956 | |
| YUGOSLAVIA | Accession | 14/01/1958 |