| Country | Action | Action Date | Effective Date |
|---|
| ALGERIA | Acceptance | 20/01/1964 | |
| American Samoa | Extension | 09/09/1975 | 09/09/1975 |
| Antilles | Extension | 20/07/1962 | |
| Antilles | Denunciation | 01/06/1983 | 01/06/1984 |
| ARGENTINA | Acceptance | 30/09/1976 | 30/12/1976 |
| ARGENTINA | Reservation | 30/09/1976 | |
| ARGENTINA | Statement | 30/09/1976 | |
| AUSTRALIA | Acceptance | 29/08/1962 | |
| AUSTRALIA | Denunciation | 14/10/1987 | 14/10/1988 |
| AUSTRIA | Acceptance | 19/05/1975 | 19/08/1975 |
| BAHAMAS | Acceptance | 22/07/1976 | 22/10/1976 |
| BAHAMAS | Declaration | 22/07/1976 | |
| BAHAMAS | Reservation | 22/07/1976 | |
| BAHRAIN | Acceptance | 21/10/1985 | 21/01/1985 |
| BANGLADESH | Acceptance | 28/09/1981 | 28/12/1981 |
| BELGIUM | Signature | 12/05/1954 | |
| BELGIUM | Acceptance | 16/04/1957 | |
| Bermuda | Extension | 19/09/1980 | 01/12/1980 |
| BULGARIA | Acceptance | 28/10/1976 | 28/01/1977 |
| BULGARIA | Reservation | 28/10/1976 | |
| BULGARIA | Denunciation | 12/12/1984 | 12/12/1985 |
| CANADA | Signature | 24/05/1954 | |
| CANADA | Ratification | 19/12/1956 | |
| Canal Zone | Extension | 09/09/1975 | 09/09/1975 |
| CHILE | Acceptance | 02/08/1977 | 02/11/1977 |
| CHILE | Reservation | 02/08/1977 | |
| CONGO | Acceptance | 10/09/1985 | 10/12/1985 |
| CYPRUS | Acceptance | 10/06/1980 | 10/09/1980 |
| DENMARK | Signature | 12/05/1954 | |
| DENMARK | Acceptance | 26/11/1956 | |
| DJIBOUTI | Acceptance | 01/03/1984 | 01/06/1984 |
| DOMINICAN REPUBLIC | Acceptance | 29/05/1963 | |
| EGYPT | Acceptance | 22/04/1963 | 22/07/1963 |
| FIJI | Acceptance | 15/08/1972 | 15/11/1972 |
| FIJI | Declaration | 15/08/1972 | |
| FIJI | Reservation | 15/08/1972 | |
| FINLAND | Signature | 12/05/1954 | |
| FINLAND | Acceptance | 30/12/1958 | |
| FRANCE | Signature | 11/08/1954 | |
| FRANCE | Ratification | 26/07/1957 | |
| FRANCE | Statement | 08/03/1962 | |
| FRANCE | Notification | 09/11/1962 | |
| FRANCE | Objection | 01/02/1966 | |
| GERMAN DEMOCRATIC REPUBLIC | Acceptance | 25/01/1979 | 25/04/1979 |
| GERMAN DEMOCRATIC REPUBLIC | Reservation | 25/01/1979 | |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 25/01/1979 | |
| GERMANY FEDERAL REPUBLIC | Signature | 12/05/1954 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 11/06/1956 | |
| GERMANY FEDERAL REPUBLIC | Statement | 14/07/1977 | |
| GERMANY FEDERAL REPUBLIC | Denunciation | 30/03/1988 | 30/03/1989 |
| GHANA | Acceptance | 17/05/1962 | |
| GREECE | Signature | 12/05/1954 | |
| GREECE | Acceptance | 28/03/1967 | |
| Guam | Extension | 09/09/1975 | 09/09/1975 |
| GUINEA | Acceptance | 19/01/1981 | 19/04/1981 |
| Hong Kong | Extension | 07/05/1969 | |
| ICELAND | Acceptance | 23/02/1962 | |
| INDIA | Acceptance | 04/03/1974 | 04/06/1974 |
| IRELAND, REPUBLIC OF | Signature | 06/08/1954 | |
| IRELAND, REPUBLIC OF | Acceptance | 13/02/1957 | |
| IRELAND, REPUBLIC OF | Denunciation | 06/01/1995 | 06/01/1996 |
| ISRAEL | Acceptance | 11/11/1965 | |
| ISRAEL | Reservation | 11/11/1965 | |
| ISRAEL | Communication | 09/11/1966 | |
| ITALY | Signature | 12/05/1954 | |
| ITALY | Acceptance | 25/05/1964 | |
| ITALY | Reservation | 25/05/1964 | |
| ITALY | Reservation | 28/07/1971 | |
| IVORY COAST | Acceptance | 17/03/1967 | |
| JAPAN | Signature | 11/08/1954 | |
| JAPAN | Acceptance | 21/08/1967 | |
| Johnston Island | Extension | 18/03/1976 | 18/03/1976 |
| JORDAN | Acceptance | 08/05/1963 | 08/08/1963 |
| KENYA | Acceptance | 12/09/1975 | 12/12/1975 |
| KOREA REPUBLIC OF | Acceptance | 31/07/1978 | 31/10/1978 |
| KUWAIT | Acceptance | 27/11/1961 | |
| Land Berlin | Extension | 11/06/1956 | |
| LEBANON | Acceptance | 31/05/1967 | |
| LIBERIA | Signature | 12/05/1954 | |
| LIBERIA | Acceptance | 28/03/1962 | |
| LIBERIA | Reservation | 28/03/1962 | |
| LIBYA | Acceptance | 18/02/1972 | 18/05/1972 |
| MADAGASCAR | Acceptance | 01/02/1965 | |
| MALDIVES | Acceptance | 17/05/1982 | 17/08/1982 |
| MALTA | Acceptance | 10/01/1975 | 10/04/1975 |
| MEXICO | Signature | 10/08/1954 | |
| MEXICO | Acceptance | 10/05/1956 | |
| Midway Islands | Extension | 18/03/1976 | 18/03/1976 |
| MONACO | Acceptance | 25/03/1970 | |
| MOROCCO | Acceptance | 29/02/1968 | |
| NETHERLANDS THE | Signature | 04/08/1954 | |
| NETHERLANDS THE | Ratification | 24/07/1958 | |
| NETHERLANDS THE | Denunciation | 01/06/1983 | 01/06/1984 |
| New Guinea | Extension | 24/07/1958 | |
| NEW ZEALAND | Signature | 11/08/1954 | |
| NEW ZEALAND | Acceptance | 01/06/1971 | |
| NIGERIA | Acceptance | 22/01/1968 | |
| NORWAY | Signature | 12/05/1954 | |
| NORWAY | Acceptance | 26/01/1957 | |
| PANAMA | Acceptance | 25/09/1963 | |
| PANAMA | Objection | 17/03/1976 | |
| PAPUA NEW GUINEA | Acceptance | 12/03/1980 | 12/06/1980 |
| PHILIPPINES | Acceptance | 19/11/1963 | |
| POLAND | Acceptance | 28/02/1961 | |
| POLAND | Declaration | 28/02/1961 | |
| PORTUGAL | Acceptance | 28/03/1967 | |
| PORTUGAL | Reservation | 28/03/1967 | |
| Puerto Rico | Extension | 09/09/1975 | 09/09/1975 |
| QATAR | Acceptance | 31/01/1980 | 01/05/1980 |
| SAUDI ARABIA | Acceptance | 30/12/1971 | |
| SAUDI ARABIA | Reservation | 30/12/1971 | |
| SENEGAL | Acceptance | 27/03/1972 | 27/06/1972 |
| SENEGAL | Declaration | 29/12/1976 | |
| SLOVENIA | Succession | 12/11/1992 | 25/06/1991 |
| SOVIET UNION | Signature | 11/08/1954 | |
| SOVIET UNION | Ratification | 03/09/1969 | |
| SOVIET UNION | Reservation | 03/09/1969 | |
| SOVIET UNION | Statement | 03/09/1969 | |
| SPAIN | Acceptance | 22/01/1964 | |
| SRI LANKA | Signature | 11/08/1954 | |
| SRI LANKA | Acceptance | 30/08/1983 | 30/11/1983 |
| SURINAME | Acceptance | 01/12/1976 | 01/03/1977 |
| SWEDEN | Signature | 12/05/1954 | |
| SWEDEN | Acceptance | 24/05/1956 | |
| SWITZERLAND | Acceptance | 12/01/1966 | |
| SYRIA | Acceptance | 24/12/1968 | |
| Trust Territories Of The Pacific Islands | Extension | 09/09/1975 | 09/09/1975 |
| TUNISIA | Acceptance | 11/06/1973 | 11/09/1973 |
| TUNISIA | Reservation | 11/06/1973 | |
| UNITED ARAB EMIRATES | Acceptance | 15/12/1983 | 15/03/1984 |
| UNITED KINGDOM | Signature | 12/05/1954 | |
| UNITED KINGDOM | Ratification | 06/05/1955 | |
| UNITED KINGDOM | Acceptance | 06/05/1955 | |
| UNITED KINGDOM | Objection | 27/01/1977 | |
| UNITED KINGDOM | Objection | 25/04/1977 | |
| UNITED STATES OF AMERICA | Acceptance | 08/09/1961 | |
| UNITED STATES OF AMERICA | Reservation | 08/09/1961 | |
| UNITED STATES OF AMERICA | Communication | 23/06/1976 | |
| URUGUAY | Acceptance | 09/12/1975 | 09/03/1976 |
| VANUATU | Acceptance | 02/02/1983 | 02/05/1983 |
| VENEZUELA | Acceptance | 12/12/1963 | |
| Virgin Islands | Extension | 09/09/1975 | 09/09/1975 |
| Wake Island | Extension | 18/03/1976 | 18/03/1976 |
| YEMEN ARAB REPUBLIC | Acceptance | 06/03/1979 | 06/06/1979 |
| YEMEN, PEOPLES'S DEMOCRATIC REPUBLIC OF | Acceptance | 20/05/1969 | |
| YUGOSLAVIA | Signature | 12/05/1954 | |
| YUGOSLAVIA | Acceptance | 11/03/1974 | 11/06/1974 |