| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Accession | 30/11/2004 | 28/02/2005 |
| AFGHANISTAN | Declaration | 30/11/2004 | 28/02/2005 |
| ALBANIA | Accession | 27/06/2001 | 25/09/2001 |
| ALGERIA | Accession | 07/02/1989 | 08/05/1989 |
| ALGERIA | Declaration | 07/02/1989 | |
| ANTIGUA AND BARBUDA | Accession | 02/02/1989 | 03/05/1989 |
| ANTIGUA AND BARBUDA | Declaration | 02/02/1989 | |
| ARGENTINA | Signature | 26/08/1958 | |
| ARGENTINA | Ratification | 14/03/1989 | 12/06/1989 |
| ARGENTINA | Declaration | 14/03/1989 | |
| ARGENTINA | Communication | 01/10/1991 | |
| ARMENIA | Accession | 29/12/1997 | 29/03/1998 |
| ARMENIA | Declaration | 29/12/1997 | |
| AUSTRALIA | Accession | 26/03/1975 | 24/06/1975 |
| AUSTRALIA | Declaration | 26/03/1975 | |
| AUSTRIA | Accession | 02/05/1961 | |
| AUSTRIA | Reservation | 02/05/1961 | |
| AUSTRIA | Withdrawal Res. | 25/02/1988 | |
| AZERBAIJAN | Accession | 29/02/2000 | 29/05/2000 |
| BAHAMAS | Accession | 20/12/2006 | 20/03/2007 |
| BAHRAIN | Accession | 06/04/1988 | 05/07/1988 |
| BAHRAIN | Declaration | 06/04/1988 | |
| BANGLADESH | Accession | 06/05/1992 | 04/08/1992 |
| BARBADOS | Accession | 16/03/1993 | 14/06/1993 |
| BARBADOS | Declaration | 16/03/1993 | |
| BELGIUM | Signature | 10/06/1958 | |
| BELGIUM | Ratification | 18/08/1975 | |
| BELGIUM | Declaration | 18/08/1975 | |
| Belize | Extension | | 24/02/1981 |
| BENIN | Accession | 16/05/1974 | 14/08/1974 |
| Bermuda | Extension | | 12/02/1980 |
| Bermuda | Declaration | 12/02/1980 | |
| Bermuda | Declaration | 05/05/1980 | 08/09/1980 |
| BHUTAN | Accession | 25/09/2014 | 24/10/2014 |
| BOLIVIA | Accession | 28/04/1995 | 27/07/1995 |
| BOSNIA AND HERZEGOVINA | Succession | 01/09/1993 | 06/03/1992 |
| BOSNIA AND HERZEGOVINA | Declaration | 01/09/1993 | |
| BOTSWANA | Accession | 20/12/1971 | 19/03/1973 |
| BOTSWANA | Declaration | 20/12/1971 | |
| BRAZIL | Accession | 07/06/2002 | 05/09/2002 |
| British Virgin Islands | Extension | 24/02/2014 | 25/05/2014 |
| BRUNEI DARUSSALAM | Accession | 25/07/1996 | 23/10/1996 |
| BRUNEI DARUSSALAM | Declaration | 25/07/1996 | |
| BULGARIA | Signature | 17/12/1958 | |
| BULGARIA | Declaration | 17/12/1958 | |
| BULGARIA | Ratification | 10/10/1961 | |
| BULGARIA | Declaration | 10/10/1961 | |
| BURKINA FASO | Accession | 23/03/1987 | 21/06/1987 |
| BYELORUSSIA S S R | Signature | 29/12/1958 | |
| BYELORUSSIA S S R | Ratification | 15/11/1960 | |
| BYELORUSSIA S S R | Declaration | 15/11/1960 | |
| CAMBODIA | Accession | 05/01/1960 | |
| CAMEROON | Accession | 19/02/1988 | 19/05/1988 |
| CANADA | Accession | 12/05/1986 | 10/08/1986 |
| CANADA | Declaration | 12/05/1986 | |
| CANADA | Declaration | 20/05/1987 | 20/10/1987 |
| CANADA | Notification | 24/11/1987 | |
| CANADA | Communication | 25/11/1988 | 25/11/1988 |
| CANADA | Notification | 16/01/1989 | |
| Cayman Islands | Extension | | 24/02/1981 |
| CENTRAL AFRICAN REPUBLIC | Accession | 15/10/1962 | |
| CENTRAL AFRICAN REPUBLIC | Declaration | 15/10/1962 | |
| CHILE | Accession | 04/09/1975 | 03/12/1975 |
| CHINA | Accession | 22/01/1987 | 22/04/1987 |
| CHINA | Declaration | 22/01/1987 | |
| CHINA | Declaration | 19/06/2005 | |
| COLOMBIA | Accession | 25/09/1979 | 24/12/1979 |
| CONGO, DEMOCRATIC REPUBLIC OF | Accession | 05/11/2014 | 03/02/2015 |
| COOK ISLANDS | Accession | 12/01/2009 | 12/04/2009 |
| COSTA RICA | Signature | 10/06/1958 | |
| COSTA RICA | Ratification | 26/10/1987 | 24/01/1988 |
| COTE D'IVOIRE | Accession | 01/02/1991 | 02/05/1991 |
| CROATIA | Succession | 26/07/1993 | 08/10/1991 |
| CUBA | Accession | 30/12/1974 | 30/03/1975 |
| CUBA | Declaration | 30/12/1974 | |
| CYPRUS | Accession | 29/12/1980 | 29/03/1981 |
| CYPRUS | Declaration | 29/12/1980 | |
| CZECH REPUBLIC | Succession | 30/09/1993 | 01/01/1993 |
| CZECHOSLOVAKIA | Signature | 03/10/1958 | |
| CZECHOSLOVAKIA | Declaration | 03/10/1958 | |
| CZECHOSLOVAKIA | Declaration | 10/06/1959 | |
| CZECHOSLOVAKIA | Ratification | 10/07/1959 | |
| DAHOMEY | | | |
| DENMARK | Accession | 22/12/1972 | 22/03/1973 |
| DENMARK | Declaration | 22/12/1972 | |
| DENMARK | Declaration | 12/11/1975 | 10/02/1976 |
| DENMARK | Communication | 05/01/1978 | |
| DJIBOUTI | Succession | 14/06/1983 | |
| DOMINICA, COMMONWEALTH OF | Accession | 28/10/1988 | 26/01/1989 |
| DOMINICAN REPUBLIC | Accession | 11/04/2002 | 10/07/2002 |
| ECUADOR | Signature | 17/12/1958 | |
| ECUADOR | Declaration | 17/12/1958 | |
| ECUADOR | Ratification | 03/01/1962 | |
| EGYPT | Accession | 09/03/1959 | |
| EL SALVADOR | Signature | 10/06/1958 | |
| EL SALVADOR | Ratification | 26/02/1998 | 27/05/1998 |
| ESTONIA | Accession | 30/08/1993 | 28/11/1993 |
| FIJI | Accession | 27/09/2010 | 26/12/2010 |
| FINLAND | Signature | 29/12/1958 | |
| FINLAND | Ratification | 19/01/1962 | |
| FRANCE | Signature | 25/11/1958 | |
| FRANCE | Ratification | 26/06/1959 | |
| FRANCE | Declaration | 26/06/1959 | |
| FRANCE | Communication | 26/01/1976 | |
| FRANCE | Withdrawal Dec. | 27/11/1989 | |
| GABON | Accession | 15/12/2006 | 15/03/2007 |
| GEORGIA | Accession | 02/06/1994 | 31/08/1994 |
| GERMAN DEMOCRATIC REPUBLIC | Accession | 20/02/1975 | 21/05/1975 |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 20/02/1975 | |
| GERMANY FEDERAL REPUBLIC | Signature | 10/06/1958 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 30/06/1961 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 30/06/1961 | |
| GERMANY FEDERAL REPUBLIC | Objection | 21/12/1989 | |
| GERMANY FEDERAL REPUBLIC | Withdrawal Res. | 31/08/1998 | |
| GHANA | Accession | 09/04/1968 | |
| Gibraltar | Extension | 24/09/1975 | 23/12/1975 |
| Gibraltar | Declaration | 05/05/1980 | 08/09/1980 |
| GREECE | Accession | 16/07/1962 | |
| GREECE | Declaration | 18/04/1980 | 08/09/1980 |
| GUATEMALA | Accession | 21/03/1984 | 19/06/1984 |
| GUATEMALA | Declaration | 21/03/1984 | |
| Guernsey | Extension | 19/04/1985 | 18/07/1985 |
| Guernsey | Declaration | 19/04/1985 | |
| GUINEA | Accession | 23/01/1991 | 23/04/1991 |
| GUYANA | Accession | 25/09/2014 | 24/12/2014 |
| HAITI | Accession | 05/12/1983 | 04/03/1984 |
| HONDURAS | Accession | 03/10/2000 | 01/01/2001 |
| HONDURAS | Declaration | 21/08/2012 | |
| Hong Kong | Extension | 21/01/1977 | 21/04/1977 |
| Hong Kong | Declaration | 05/05/1980 | 08/09/1980 |
| Hong Kong | Notification | 10/06/1997 | 01/07/1997 |
| HONG KONG SAR | Application | 06/06/1997 | |
| HUNGARY | Accession | 05/03/1962 | |
| HUNGARY | Declaration | 05/03/1962 | |
| ICELAND | Accession | 24/01/2002 | 24/04/2002 |
| INDIA | Signature | 10/06/1958 | |
| INDIA | Ratification | 13/07/1960 | |
| INDIA | Declaration | 13/07/1960 | |
| INDONESIA | Accession | 07/10/1981 | 05/01/1982 |
| INDONESIA | Declaration | 07/10/1981 | |
| IRAN | Accession | 13/01/2002 | |
| IRELAND, REPUBLIC OF | Accession | 12/05/1981 | 10/08/1981 |
| IRELAND, REPUBLIC OF | Declaration | 12/05/1981 | |
| Isle of Man | Extension | | 23/05/1979 |
| Isle of Man | Declaration | 05/05/1980 | 08/09/1980 |
| ISRAEL | Signature | 10/06/1958 | |
| ISRAEL | Ratification | 05/01/1959 | |
| ISRAEL | Objection | 23/06/1980 | |
| ISRAEL | Objection | 22/09/1988 | |
| ITALY | Accession | 31/01/1969 | |
| JAMAICA | Accession | 10/07/2002 | 08/10/2002 |
| JAMAICA | Reservation | 25/09/2002 | |
| JAMAICA | Acceptance | 17/10/2002 | 17/10/2003 |
| JAPAN | Accession | 20/06/1961 | 18/09/1961 |
| JAPAN | Declaration | 20/06/1961 | |
| Jersey, Bailiwick of | Extension | 28/05/2002 | |
| Jersey, Bailiwick of | Declaration | 28/05/2002 | |
| JORDAN | Signature | 10/06/1958 | |
| JORDAN | Ratification | 15/11/1979 | 13/02/1980 |
| JORDAN | Reservation | 15/11/1979 | |
| KAZAKHSTAN | Accession | 20/11/1995 | 18/02/1996 |
| KENYA | Accession | 10/02/1989 | 11/05/1989 |
| KENYA | Declaration | 10/02/1989 | |
| KOREA REPUBLIC OF | Accession | 08/02/1973 | 09/05/1973 |
| KOREA REPUBLIC OF | Declaration | 08/02/1973 | |
| KUWAIT | Accession | 28/04/1978 | 27/07/1978 |
| KUWAIT | Declaration | 28/04/1978 | |
| KYRGYZSTAN | Accession | 18/12/1996 | 18/03/1997 |
| Land Berlin | Extension | 30/06/1961 | |
| Land Berlin | Communication | 30/06/1961 | |
| Land Berlin | Communication | 24/02/1976 | |
| LAOS | Accession | 17/06/1998 | 15/09/1998 |
| LATVIA | Accession | 14/04/1992 | 13/07/1992 |
| LEBANON | Accession | 11/08/1998 | 09/11/1998 |
| LEBANON | Communication | 11/08/1998 | |
| LESOTHO | Accession | 13/06/1989 | 11/09/1989 |
| LIBERIA | Accession | 16/09/2005 | 15/12/2005 |
| LIECHTENSTEIN | Reservation | 07/07/2011 | |
| LIECHTENSTEIN | Accession | 07/08/2011 | 05/10/2011 |
| LITHUANIA | Accession | 14/03/1995 | 12/06/1995 |
| LITHUANIA | Declaration | 14/03/1995 | |
| LUXEMBOURG | Signature | 11/11/1958 | |
| LUXEMBOURG | Ratification | 09/09/1983 | 08/12/1983 |
| LUXEMBOURG | Declaration | 09/09/1983 | |
| Macao | Application | 12/11/1999 | 10/02/2000 |
| MACEDONIA THE FYR OF | Succession | 10/03/1994 | 17/09/1991 |
| MACEDONIA THE FYR OF | Withdrawal Res. | 16/09/2009 | |
| MALAGASY REPUBLIC | Accession | 16/07/1962 | |
| MALAGASY REPUBLIC | Reservation | 16/07/1962 | |
| MALAYSIA | Accession | 05/11/1985 | 03/02/1986 |
| MALAYSIA | Declaration | 05/11/1985 | |
| MALI | Accession | 08/09/1994 | 07/12/1994 |
| MALTA | Accession | 22/06/2000 | 20/09/2000 |
| MALTA | Declaration | 22/06/2000 | |
| MARSHALL ISLANDS | Accession | 21/12/2006 | 21/03/2007 |
| MAURITANIA | Accession | 30/01/1997 | |
| MAURITIUS | Accession | 19/06/1996 | 17/09/1996 |
| MAURITIUS | Declaration | 19/06/1996 | |
| MEXICO | Accession | 14/04/1971 | 13/07/1971 |
| MOLDOVA REPUBLIC OF | Accession | 18/09/1998 | 17/12/1998 |
| MOLDOVA REPUBLIC OF | Declaration | 18/09/1998 | |
| MONACO | Signature | 31/12/1958 | |
| MONACO | Ratification | 02/06/1982 | 31/08/1982 |
| MONACO | Declaration | 02/06/1982 | |
| MONGOLIA | Accession | 24/10/1994 | 22/01/1995 |
| MONGOLIA | Declaration | 24/10/1994 | |
| MONTENEGRO | Succession | 23/10/2006 | 03/06/2006 |
| MOROCCO | Accession | 12/02/1959 | |
| MOROCCO | Declaration | 12/02/1959 | |
| MOZAMBIQUE | Accession | 11/06/1998 | 09/09/1998 |
| MOZAMBIQUE | Declaration | 11/06/1998 | |
| NEPAL | Accession | 04/03/1998 | 02/06/1998 |
| NEPAL | Declaration | 04/03/1998 | |
| NETHERLANDS THE | Extension | | 01/01/1986 |
| NETHERLANDS THE | Signature | 10/06/1958 | |
| NETHERLANDS THE | Ratification | 24/04/1964 | |
| NETHERLANDS THE | Declaration | 24/04/1964 | |
| NEW ZEALAND | Accession | 06/01/1983 | 06/04/1983 |
| NEW ZEALAND | Declaration | 06/01/1983 | |
| NICARAGUA | Accession | 24/09/2003 | 23/12/2003 |
| NIGER | Accession | 14/10/1964 | |
| NIGERIA | Accession | 17/03/1970 | |
| NIGERIA | Declaration | 17/03/1970 | |
| NORWAY | Accession | 14/03/1961 | |
| NORWAY | Declaration | 14/03/1961 | |
| NORWAY | Reservation | 14/03/1961 | |
| OMAN | Accession | 25/02/1999 | 26/05/1999 |
| PAKISTAN | Signature | 30/12/1958 | |
| PAKISTAN | Ratification | 14/07/2005 | 12/10/2005 |
| PAKISTAN | Declaration | 14/07/2005 | |
| PANAMA | Accession | 10/10/1984 | 08/01/1985 |
| PARAGUAY | Accession | 08/10/1997 | 06/01/1998 |
| PERU | Accession | 07/07/1988 | 05/10/1988 |
| PHILIPPINES | Signature | 10/06/1958 | |
| PHILIPPINES | Ratification | 06/07/1967 | |
| POLAND | Signature | 10/06/1958 | |
| POLAND | Ratification | 03/10/1961 | |
| PORTUGAL | Ratification | 18/10/1994 | 16/01/1995 |
| PORTUGAL | Declaration | 18/10/1994 | |
| PORTUGAL | Communication | 09/12/1999 | 20/12/1999 |
| QATAR | Accession | 30/12/2002 | 30/03/2003 |
| ROMANIA | Accession | 13/09/1961 | |
| ROMANIA | Reservation | 13/09/1961 | |
| RWANDA | Accession | 31/10/2008 | 29/01/2009 |
| SAN MARINO | Accession | 17/05/1979 | 05/08/1979 |
| SAO TOME AND PRINCIPE | Accession | 20/11/2012 | 18/02/2013 |
| SAUDI ARABIA | Accession | 19/04/1994 | 18/07/1994 |
| SAUDI ARABIA | Declaration | 19/04/1994 | |
| SENEGAL | Accession | 17/10/1994 | 15/01/1995 |
| SINGAPORE | Accession | 21/08/1986 | 19/11/1986 |
| SINGAPORE | Declaration | 21/08/1986 | |
| SLOVAK REPUBLIC | Succession | 28/05/1993 | 01/01/1993 |
| SLOVENIA | Succession | 01/07/1992 | 25/06/1991 |
| SLOVENIA | Declaration | 01/07/1992 | 25/06/1991 |
| SLOVENIA | Withdrawal Res. | 04/06/2008 | |
| SOUTH AFRICA | Accession | 03/05/1976 | 01/08/1976 |
| SOVIET UNION | Signature | 29/12/1958 | |
| SOVIET UNION | Ratification | 24/08/1960 | |
| SOVIET UNION | Declaration | 24/08/1960 | |
| SOVIET UNION | Objection | 29/10/1973 | |
| SPAIN | Accession | 12/05/1977 | 10/08/1977 |
| SPAIN | Communication | 08/09/1986 | |
| SRI LANKA | Signature | 30/12/1958 | |
| SRI LANKA | Ratification | 09/04/1962 | |
| ST VINCENT AND THE GRENADINES | Accession | 12/09/2000 | 11/12/2000 |
| ST VINCENT AND THE GRENADINES | Declaration | 12/09/2000 | |
| SWEDEN | Signature | 23/12/1958 | |
| SWEDEN | Ratification | 28/01/1972 | |
| SWITZERLAND | Signature | 29/12/1958 | |
| SWITZERLAND | Ratification | 01/06/1965 | |
| SWITZERLAND | Declaration | 01/06/1965 | |
| SWITZERLAND | Withdrawal Dec. | 23/04/1993 | |
| SYRIA | Accession | 09/03/1959 | |
| TAJIKISTAN | Accession | 14/08/2012 | |
| TAJIKISTAN | Reservation | 14/08/2012 | |
| TANZANIA | Accession | 13/10/1964 | |
| TANZANIA | Declaration | 13/10/1964 | |
| THAILAND | Accession | 21/12/1959 | |
| TRINIDAD AND TOBAGO | Accession | 14/02/1966 | |
| TRINIDAD AND TOBAGO | Declaration | 14/02/1966 | |
| TUNISIA | Accession | 17/07/1967 | |
| TUNISIA | Declaration | 17/07/1967 | |
| TURKEY | Accession | 02/07/1992 | 30/09/1992 |
| TURKEY | Declaration | 02/07/1992 | |
| UGANDA | Accession | 12/02/1992 | 12/05/1992 |
| UGANDA | Declaration | 12/02/1992 | |
| UKRAINE S S R | Signature | 29/12/1958 | |
| UKRAINE S S R | Ratification | 10/10/1960 | |
| UKRAINE S S R | Declaration | 10/10/1960 | |
| UNITED ARAB EMIRATES | Accession | 21/08/2006 | 19/11/2006 |
| UNITED KINGDOM | Accession | 24/09/1975 | 23/12/1975 |
| UNITED KINGDOM | Declaration | 24/09/1975 | |
| UNITED KINGDOM | Communication | 26/01/1976 | |
| UNITED KINGDOM | Declaration | 05/05/1980 | |
| UNITED STATES OF AMERICA | Accession | 30/09/1970 | 29/12/1970 |
| UNITED STATES OF AMERICA | Declaration | 30/09/1970 | |
| UNITED STATES OF AMERICA | Notification | 03/11/1970 | |
| UNITED STATES OF AMERICA | Communication | 26/01/1976 | |
| URUGUAY | Accession | 30/03/1983 | 28/06/1983 |
| UZBEKISTAN | Accession | 07/02/1996 | 07/05/1996 |
| VATICAN CITY | Accession | 14/05/1975 | 12/08/1975 |
| VATICAN CITY | Declaration | 14/05/1975 | |
| VENEZUELA | Accession | 08/02/1995 | 09/05/1995 |
| VENEZUELA | Declaration | 08/02/1995 | |
| VIETNAM | Accession | 12/09/1995 | 11/12/1995 |
| VIETNAM | Declaration | 12/09/1995 | |
| YUGOSLAVIA | Accession | 26/02/1982 | 27/05/1982 |
| YUGOSLAVIA | Reservation | 26/02/1982 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Succession | 12/03/2001 | 27/04/1992 |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Declaration | 12/03/2001 | |
| ZAMBIA | Accession | 14/03/2002 | 13/06/2002 |
| ZIMBABWE | Accession | 29/09/1994 | 28/12/1994 |