| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Approval | 08/05/1973 | |
| ALGERIA | Adoption | 04/04/1975 | |
| ALGERIA | Approval | 05/05/1976 | 05/05/1976 |
| Antilles | Extension | 10/05/1976 | 10/06/1976 |
| Antilles | Associate Member | 19/02/1979 | 05/09/1979 |
| ARGENTINA | Approval | 13/06/1972 | |
| ARGENTINA | Declaration | 13/06/1972 | |
| AUSTRALIA | Denunciation | | 26/09/1990 |
| AUSTRALIA | Adoption | 28/09/1970 | |
| AUSTRALIA | Approval | 18/09/1979 | 18/09/1979 |
| AUSTRIA | Adoption | 28/09/1970 | |
| AUSTRIA | Approval | 22/12/1975 | |
| BAHAMAS | Associate Member | 24/06/1971 | 28/06/1971 |
| BAHAMAS | Approval | 15/10/1973 | |
| BAHAMAS | Withdrawal | 14/11/1978 | 14/12/1978 |
| BAHRAIN | Approval | 22/12/1975 | 31/05/1977 |
| BAHRAIN | Withdrawal | 01/02/1983 | 01/02/1984 |
| BANGLADESH | Approval | 19/02/1975 | |
| BELGIUM | Adoption | 12/05/1975 | |
| BELGIUM | Approval | 03/08/1976 | |
| BENIN | Approval | 31/12/1974 | |
| BOLIVIA | Approval | 21/05/1975 | |
| BRAZIL | Approval | 11/06/1974 | |
| BULGARIA | Adoption | 25/10/1974 | |
| BULGARIA | Approval | 21/01/1976 | |
| BURKINA FASO | Approval | 16/05/1975 | |
| BURUNDI | Approval | 30/10/1974 | |
| CAMBODIA | Approval | 24/04/1972 | 02/01/1975 |
| CAMEROON | Approval | 28/11/1973 | |
| CANADA | Adoption | 28/09/1970 | |
| CANADA | Approval | 26/06/1986 | 26/06/1986 |
| CHAD | Approval | 10/09/1985 | 26/09/1985 |
| CHILE | Approval | 09/04/1974 | |
| CHILE | Acceptance | 08/10/1998 | |
| CHINA P R | Approval | 22/09/1983 | 05/10/1983 |
| COLOMBIA | Approval | 12/06/1971 | |
| CONGO | Approval | 20/09/1979 | 20/09/1979 |
| COSTA RICA | Approval | 26/09/1973 | |
| COSTA RICA | Withdrawal | 14/07/1987 | 14/07/1987 |
| CUBA | Adoption | 08/01/1975 | |
| CUBA | Approval | 11/12/1975 | |
| CYPRUS | Approval | 04/09/1974 | |
| CZECHOSLOVAKIA | Adoption | 10/02/1975 | |
| CZECHOSLOVAKIA | Approval | 09/04/1976 | 09/04/1976 |
| CZECHOSLOVAKIA | Declaration | 09/04/1976 | |
| DOMINICAN REPUBLIC | Approval | 29/04/1975 | |
| ECUADOR | Approval | 11/02/1975 | |
| ECUADOR | Acceptance | 15/11/1999 | |
| EGYPT | Approval | 21/05/1971 | |
| EL SALVADOR | Approval | 11/02/1975 | |
| EL SALVADOR | Withdrawal | 28/01/1981 | 28/01/1981 |
| ERITREA | Acceptance | 07/09/1999 | |
| ETHIOPIA | Approval | 22/05/1975 | |
| FINLAND | Approval | 09/02/1982 | 09/02/1982 |
| FRANCE | Adoption | 28/09/1970 | |
| FRANCE | Approval | 31/12/1975 | |
| GABON | Approval | 06/04/1971 | |
| GAMBIA THE | Approval | 06/05/1975 | |
| GERMAN DEMOCRATIC REPUBLIC | Approval | 14/04/1975 | |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 14/04/1975 | |
| GERMANY FEDERAL REPUBLIC | Adoption | 28/09/1970 | |
| GERMANY FEDERAL REPUBLIC | Approval | 29/01/1976 | |
| GHANA | Approval | 28/11/1972 | |
| Gibraltar | Associate Member | 17/10/1975 | 17/10/1975 |
| Gibraltar | Withdrawal | 21/05/1985 | 21/05/1985 |
| GREECE | Approval | 08/11/1972 | |
| GRENADA | Approval | 25/02/1977 | 31/05/1977 |
| GRENADA | Withdrawal | 09/02/1998 | 09/02/1999 |
| GUINEA | Approval | 17/07/1985 | |
| GUINEA | Acceptance | 22/01/1998 | |
| HAITI | Approval | 29/05/1974 | |
| HOLY SEE | Observation | 25/09/1973 | 02/01/1975 |
| HONDURAS | Denunciation | | 19/08/1989 |
| HONDURAS | Approval | 20/09/1979 | 20/09/1979 |
| HONG KONG SAR | Membership | 27/09/1999 | |
| HUNGARY | Adoption | 12/11/1974 | |
| HUNGARY | Approval | 08/09/1975 | 08/09/1975 |
| ICELAND | Approval | 01/05/1975 | |
| INDIA | Approval | 09/11/1971 | |
| INDONESIA | Approval | 05/04/1972 | |
| IRAN | Approval | 17/02/1972 | |
| IRAQ | Approval | 15/09/1971 | |
| IRAQ | Declaration | 15/09/1971 | |
| IRELAND, REPUBLIC OF | Adoption | 01/05/1975 | |
| ISRAEL | Approval | 20/01/1975 | |
| ISRAEL | Objection | 11/05/1975 | |
| ITALY | Adoption | 28/09/1970 | |
| ITALY | Approval | 02/03/1978 | 02/03/1978 |
| IVORY COAST | Approval | 12/01/1973 | |
| JAMAICA | Approval | 24/04/1975 | |
| JAPAN | Approval | 06/07/1978 | |
| JORDAN | Approval | 30/03/1971 | 02/01/1975 |
| KENYA | Approval | 24/09/1971 | 02/01/1975 |
| KOREA DEMOCRATIC PEOPLE'S REPUBLIC OF | Approval | 28/08/1987 | 01/10/1987 |
| KOREA REPUBLIC OF | Approval | 15/01/1973 | 02/01/1975 |
| KOREA REPUBLIC OF | Declaration | 15/01/1973 | |
| KUWAIT | Approval | 27/08/1975 | |
| LAOS | Approval | 27/09/1973 | 02/01/1975 |
| LEBANON | Approval | 18/06/1974 | 02/01/1975 |
| LESOTHO | Approval | 11/07/1980 | 17/09/1981 |
| LIBYA | Adoption | 28/09/1970 | |
| LIBYA | Approval | 21/04/1977 | |
| Macao | Associate Member | 08/04/1980 | 17/09/1981 |
| MADAGASCAR | Approval | 22/05/1975 | 22/05/1975 |
| MALAWI | Approval | 06/08/1974 | 02/01/1975 |
| MALAYSIA | Participation | | 19/09/1991 |
| MALAYSIA | Approval | 08/05/1975 | |
| MALAYSIA | Withdrawal | 14/08/1987 | 14/08/1987 |
| MALDIVES | Approval | 10/06/1980 | 17/09/1981 |
| MALI | Approval | 17/06/1974 | 02/01/1975 |
| MALTA | Approval | 02/08/1978 | |
| MAURITANIA | Adoption | 03/05/1975 | |
| MAURITANIA | Approval | 09/07/1976 | |
| MAURITIUS | Approval | 26/07/1973 | 02/01/1975 |
| MAURITIUS | Acceptance | 13/10/1998 | |
| MEXICO | Approval | 20/11/1970 | 02/01/1975 |
| MONGOLIA | Adoption | 10/04/1975 | |
| MOROCCO | Approval | 07/07/1971 | 02/01/1975 |
| MYANMAR | Withdrawal | 09/02/1998 | 04/09/1999 |
| NEPAL | Approval | 14/03/1972 | 02/01/1975 |
| NETHERLANDS THE | Adoption | 11/04/1975 | |
| NETHERLANDS THE | Approval | 10/05/1976 | 10/06/1976 |
| NICARAGUA | Withdrawal | | 19/04/1978 |
| NICARAGUA | Participation | | 04/10/1991 |
| NICARAGUA | Approval | 14/06/1974 | 02/01/1975 |
| NIGER | Approval | 20/09/1979 | 20/09/1979 |
| NIGERIA | Approval | 22/09/1971 | 02/01/1975 |
| PAKISTAN | Approval | 02/04/1971 | 02/01/1975 |
| PANAMA | Denunciation | | 09/10/1993 |
| PANAMA | Approval | 19/02/1971 | 02/01/1975 |
| PERU | Approval | 30/05/1974 | 02/01/1975 |
| PHILIPPINES | Denunciation | | 08/09/1989 |
| PHILIPPINES | Participation | | 23/10/1991 |
| PHILIPPINES | Approval | 06/02/1973 | 02/01/1975 |
| POLAND | Adoption | 21/02/1975 | |
| POLAND | Approval | 10/02/1976 | |
| PORTUGAL | Adoption | 28/09/1970 | |
| PORTUGAL | Approval | 11/11/1976 | |
| Puerto Rico | Associate Member | | 04/04/1986 |
| QATAR | Denunciation | | 01/02/1986 |
| QATAR | Approval | 20/10/1976 | 31/05/1977 |
| ROMANIA | Approval | 13/09/1974 | 02/01/1975 |
| ROMANIA | Declaration | 13/09/1974 | |
| RWANDA | Approval | 06/06/1975 | |
| SAN MARINO | Approval | 20/07/1971 | 02/01/1975 |
| SAO TOME AND PRINCIPE | Approval | 09/12/1983 | 26/09/1985 |
| SENEGAL | Approval | 05/04/1972 | 02/01/1975 |
| SIERRA LEONE | Approval | 06/05/1974 | 02/01/1975 |
| SINGAPORE | Approval | 20/09/1971 | 02/01/1975 |
| SINGAPORE | Withdrawal | 10/11/1976 | 10/11/1977 |
| SOVIET UNION | Adoption | 22/08/1974 | |
| SOVIET UNION | Approval | 29/12/1975 | |
| SOVIET UNION | Declaration | 03/05/1976 | |
| SPAIN | Approval | 04/07/1974 | 02/01/1975 |
| SPAIN | Declaration | 04/07/1974 | |
| SPAIN | Acceptance | 01/10/1998 | |
| SRI LANKA | Approval | 05/12/1972 | 02/01/1975 |
| SUDAN | Approval | 18/04/1975 | |
| SWAZILAND | Membership | 27/09/1999 | |
| SWITZERLAND | Adoption | 28/09/1970 | |
| SWITZERLAND | Approval | 12/01/1976 | |
| SYRIA | Approval | 11/08/1971 | 02/01/1975 |
| SYRIA | Acceptance | 14/05/1999 | |
| TAIWAN | Approval | 14/03/1972 | |
| TANZANIA | Approval | 02/02/1972 | 02/01/1975 |
| THAILAND | Denunciation | | 20/01/1990 |
| THAILAND | Approval | 19/10/1971 | |
| THAILAND | Reservation | 19/10/1971 | |
| TOGO | Approval | 16/04/1975 | |
| TRINIDAD AND TOBAGO | Approval | 17/11/1971 | |
| TRINIDAD AND TOBAGO | Withdrawal | 24/12/1976 | 31/12/1977 |
| TUNISIA | Approval | 29/05/1972 | |
| TURKEY | Approval | 06/11/1973 | |
| UGANDA | Approval | 12/12/1974 | |
| UNITED ARAB EMIRATES | Approval | 14/09/1972 | |
| UNITED ARAB EMIRATES | Withdrawal | 27/04/1998 | 29/04/1987 |
| UNITED KINGDOM | Withdrawal | 11/05/1975 | |
| UNITED STATES OF AMERICA | Adoption | 10/04/1975 | |
| UNITED STATES OF AMERICA | Approval | 16/12/1975 | |
| URUGUAY | Adoption | 28/09/1970 | |
| URUGUAY | Approval | 18/05/1977 | |
| VATICAN CITY | Approval | 25/09/1973 | |
| VENEZUELA | Approval | 20/06/1974 | |
| VIETNAM, REPUBLIC OF | Approval | 31/01/1973 | |
| YEMEN ARAB REPUBLIC | Approval | 21/05/1971 | 31/05/1977 |
| YEMEN, PEOPLES'S DEMOCRATIC REPUBLIC OF | Approval | 09/03/1971 | |
| YUGOSLAVIA | Approval | 29/06/1971 | |
| ZAIRE | Approval | 20/01/1972 | |
| ZAMBIA | Approval | 31/08/1973 | |
| ZIMBABWE | Approval | 30/06/1981 | 17/09/1981 |