| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ALGERIA | Signature | 09/04/1965 | |
| ALGERIA | Acceptance | 28/11/1983 | 27/01/1984 |
| ALGERIA | Communication | 22/11/2002 | |
| ARGENTINA | Acceptance | 29/01/1980 | 29/03/1980 |
| Aruba | Extension | 01/01/1986 | |
| AUSTRALIA | Accession | 28/04/1986 | 27/06/1986 |
| AUSTRIA | Accession | 20/06/1975 | 19/08/1975 |
| BAHAMAS | Accession | 22/07/1976 | 20/09/1976 |
| BARBADOS | Accession | 30/09/1982 | 29/11/1982 |
| BELGIUM | Signature | 09/09/1965 | |
| BELGIUM | Acceptance | 04/01/1967 | 05/03/1967 |
| BENIN | Accession | 02/03/1992 | 01/05/1992 |
| Berlin West | Extension | 26/07/1967 | 24/09/1967 |
| BRAZIL | Signature | 09/04/1965 | |
| BRAZIL | Acceptance | 22/08/1977 | 21/10/1977 |
| BULGARIA | Accession | 22/04/1999 | 21/06/1999 |
| BURUNDI | Accession | 29/09/1998 | 28/11/1998 |
| CAMEROON | Accession | 10/04/1997 | 09/06/1997 |
| CANADA | Signature | 09/04/1965 | |
| CANADA | Acceptance | 18/07/1967 | 16/09/1967 |
| CAPE VERDE | Accession | 28/04/1977 | 27/06/1977 |
| CHILE | Accession | 14/02/1975 | 15/04/1975 |
| CHINA | Accession | 16/01/1995 | 17/03/1995 |
| CHINA TAIWAN | Signature | 09/04/1965 | |
| CHINA TAIWAN | Acceptance | 19/07/1968 | |
| COLOMBIA | Accession | 03/06/1991 | 02/08/1991 |
| CONGO, REPUBLIC OF | Accession | 07/08/2002 | 06/10/2002 |
| CROATIA | Succession | 27/07/1992 | 08/10/1991 |
| CUBA | Accession | 27/11/1984 | 26/01/1985 |
| CUBA | Declaration | 27/11/1984 | |
| CYPRUS | Accession | 09/03/2004 | 08/05/2004 |
| CZECH REPUBLIC | Succession | 19/10/1993 | 01/01/1993 |
| CZECHOSLOVAKIA | Accession | 19/12/1966 | 05/03/1967 |
| CZECHOSLOVAKIA | Statement | 19/12/1966 | |
| DENMARK | Signature | 09/04/1965 | |
| DENMARK | Ratification | 09/01/1968 | 09/03/1968 |
| DOMINICA, COMMONWEALTH OF | Accession | 31/08/2001 | 30/10/2001 |
| DOMINICAN REPUBLIC | Signature | 09/04/1965 | |
| DOMINICAN REPUBLIC | Acceptance | 11/07/1966 | 15/03/1967 |
| ECUADOR | Signature | 09/04/1965 | |
| ECUADOR | Accession | 17/05/1988 | 16/07/1988 |
| EGYPT | Acceptance | 19/02/1987 | 20/04/1987 |
| EGYPT | Reservation | 19/02/1987 | |
| FIJI | Accession | 29/11/1972 | 28/01/1973 |
| FINLAND | Signature | 09/04/1965 | |
| FINLAND | Acceptance | 20/03/1967 | 19/05/1967 |
| FRANCE | Signature | 09/04/1965 | |
| FRANCE | Acceptance | 29/11/1967 | 28/01/1968 |
| FRANCE | Notification | 24/11/1994 | |
| GAMBIA THE | Accession | 01/11/1991 | 31/12/1991 |
| GEORGIA | Accession | 25/08/1995 | 24/10/1995 |
| GERMANY FEDERAL REPUBLIC | Signature | 09/04/1967 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 26/07/1967 | 24/09/1967 |
| GHANA | Signature | 05/11/1965 | 05/03/1967 |
| GREECE | Signature | 08/06/1972 | |
| GREECE | Acceptance | 07/08/1972 | |
| GUINEA | Accession | 19/01/1981 | 20/03/1981 |
| GUYANA | Accession | 10/12/1997 | 08/02/1998 |
| Hong Kong | Extension | 24/09/1970 | 24/09/1970 |
| Hong Kong | Notification | 30/06/1997 | 01/07/1997 |
| HONG KONG SAR | Application | 30/06/1997 | 01/07/1997 |
| HUNGARY | Signature | 09/04/1965 | |
| HUNGARY | Ratification | 15/12/1976 | 13/02/1977 |
| HUNGARY | Statement | 15/12/1976 | |
| ICELAND | Accession | 24/01/1967 | 05/03/1967 |
| INDIA | Accession | 25/05/1976 | 24/07/1976 |
| INDONESIA | Accession | 04/11/2002 | 03/01/2003 |
| IRAN | Accession | 27/03/1995 | 26/05/1995 |
| IRAQ | Accession | 15/11/1976 | 14/01/1977 |
| IRAQ | Declaration | 15/11/1976 | |
| IRELAND, REPUBLIC OF | Signature | 09/04/1965 | |
| IRELAND, REPUBLIC OF | Acceptance | 08/06/1971 | 17/08/1971 |
| ISRAEL | Signature | 09/04/1965 | |
| ISRAEL | Acceptance | 13/10/1967 | 12/12/1967 |
| ISRAEL | Objection | 11/02/1976 | |
| ITALY | Signature | 09/04/1965 | |
| ITALY | Acceptance | 25/09/1972 | 24/11/1972 |
| IVORY COAST | Signature | 09/04/1965 | |
| IVORY COAST | Acceptance | 16/02/1967 | 05/03/1967 |
| JAPAN | Signature | 30/09/1965 | |
| JORDAN | Accession | 27/03/1997 | 26/05/1997 |
| KOREA REPUBLIC OF | Signature | 09/04/1965 | |
| KOREA REPUBLIC OF | Accession | 06/03/2001 | 05/05/2001 |
| LATVIA | Accession | 20/01/1998 | 21/03/1998 |
| LEBANON | Signature | 09/04/1965 | |
| LEBANON | Ratification | 17/07/2001 | 15/09/2001 |
| LIBERIA | Accession | 14/02/1978 | 15/04/1978 |
| LUXEMBOURG | Accession | 14/02/1991 | 15/04/1991 |
| MALAGASY REPUBLIC | Signature | 09/04/1965 | |
| MALAGASY REPUBLIC | Acceptance | 08/07/1970 | 06/09/1970 |
| MALAYSIA | Signature | 09/04/1965 | |
| MALTA | Accession | 24/09/2002 | 23/11/2002 |
| MALTA | Reservation | 24/09/2002 | |
| MARSHALL ISLANDS | Accession | 29/11/1994 | 28/01/1995 |
| MAURITIUS | Accession | 18/06/1990 | 17/08/1990 |
| MEXICO | Accession | 31/05/1983 | 30/07/1983 |
| MONACO | Definitive Signature | 09/04/1965 | 05/03/1967 |
| MONTENEGRO | Succession | 19/02/2007 | 03/06/2006 |
| Netherlands Antilles | Extension | 21/09/1967 | 20/11/1967 |
| NETHERLANDS THE | Signature | 06/10/1965 | |
| NETHERLANDS THE | Acceptance | 21/09/1967 | 20/11/1967 |
| NEW ZEALAND | Accession | 27/07/1973 | 25/09/1973 |
| NEW ZEALAND | Declaration | 27/07/1973 | |
| NICARAGUA | Signature | 09/04/1965 | |
| NIGERIA | Accession | 24/01/1967 | 05/03/1967 |
| NORWAY | Signature | 09/10/1965 | |
| NORWAY | Acceptance | 08/09/1966 | 05/03/1967 |
| PERU | Accession | 16/07/1982 | 14/09/1982 |
| PHILIPPINES | Signature | 09/04/1965 | |
| POLAND | Signature | 09/04/1965 | |
| POLAND | Acceptance | 25/07/1969 | 23/09/1969 |
| ROMANIA | Accession | 25/04/2001 | 24/06/2001 |
| SAINT LUCIA | Accession | 20/05/2004 | 19/07/2004 |
| SAMOA | Accession | 18/05/2004 | 17/07/2004 |
| SENEGAL | Signature | 09/04/1965 | |
| SENEGAL | Acceptance | 17/10/1980 | 16/12/1980 |
| SERBIA AND MONTENEGRO | Succession | 20/01/2003 | 27/04/1992 |
| SEYCHELLES | Accession | 13/12/1989 | 11/02/1990 |
| SINGAPORE | Accession | 03/04/1967 | 02/06/1967 |
| SLOVAK REPUBLIC | Succession | 30/01/1995 | 01/01/1993 |
| SLOVENIA | Succession | 12/11/1992 | 25/06/1991 |
| SOVIET UNION | Signature | 25/10/1966 | |
| SOVIET UNION | Acceptance | 25/10/1966 | 05/03/1967 |
| SOVIET UNION | Statement | 25/10/1966 | |
| SPAIN | Signature | 09/10/1965 | |
| SPAIN | Acceptance | 24/08/1973 | 23/10/1973 |
| SRI LANKA | Accession | 06/03/1998 | 05/05/1998 |
| SURINAME | Extension | 21/09/1967 | |
| SURINAME | Succession | 25/11/1975 | 25/11/1975 |
| SWEDEN | Signature | 09/04/1965 | |
| SWEDEN | Acceptance | 28/07/1967 | 26/11/1967 |
| SWITZERLAND | Signature | 01/09/1965 | |
| SWITZERLAND | Acceptance | 23/04/1968 | 23/06/1968 |
| SYRIA | Accession | 06/02/1975 | 07/04/1975 |
| SYRIA | Declaration | 06/02/1975 | |
| THAILAND | Accession | 28/11/1991 | 27/01/1992 |
| TONGA | Accession | 18/09/2003 | 17/11/2003 |
| TRINIDAD AND TOBAGO | Signature | 09/04/1965 | |
| TRINIDAD AND TOBAGO | Acceptance | 16/03/1967 | 15/05/1967 |
| TUNISIA | Accession | 27/01/1969 | 28/03/1969 |
| UKRAINE | Signature | 09/04/1965 | |
| UKRAINE | Acceptance | 25/10/1993 | 24/12/1993 |
| UNITED ARAB REPUBLIC | Signature | 09/04/1965 | |
| UNITED KINGDOM | Signature | 09/04/1965 | |
| UNITED KINGDOM | Ratification | 24/02/1966 | 05/03/1967 |
| UNITED STATES OF AMERICA | Signature | 09/04/1965 | |
| UNITED STATES OF AMERICA | Acceptance | 17/03/1967 | 16/05/1967 |
| UNITED STATES OF AMERICA | Declaration | 09/09/1975 | |
| UNITED STATES OF AMERICA | Declaration | 18/03/1976 | 18/03/1976 |
| URUGUAY | Accession | 02/12/1992 | 31/01/1993 |
| URUGUAY | Declaration | 02/12/1992 | |
| VANUATU | Accession | 13/01/1989 | 14/03/1989 |
| VENEZUELA | Accession | 10/05/2002 | |
| YEMEN ARAB REPUBLIC | Accession | 06/03/1979 | 05/05/1979 |
| YUGOSLAVIA | Signature | 09/04/1965 | |
| YUGOSLAVIA | Acceptance | 18/07/1966 | 05/03/1967 |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Succession | 20/01/2003 | 27/04/1992 |
| ZAMBIA | Accession | 14/12/1965 | 05/03/1967 |
| ZANZIBAR | Bound | 26/11/2008 |