| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Signature | 30/03/1961 | |
| AFGHANISTAN | Ratification | 19/03/1963 | |
| ALBANIA | Objection | 23/11/1970 | |
| ALGERIA | Accession | 07/04/1965 | |
| ALGERIA | Reservation | 07/04/1965 | |
| ANGOLA | Accession | 26/10/2005 | 25/11/2005 |
| Antarctic Territory | Extension | 01/12/1967 | |
| Antigua | Extension | 26/01/1965 | |
| ANTIGUA AND BARBUDA | Accession | 05/04/1993 | 05/05/1993 |
| Antilles | Extension | 16/07/1965 | |
| ARGENTINA | Signature | 31/07/1961 | |
| ARGENTINA | Reservation | 31/07/1961 | |
| ARGENTINA | Ratification | 10/10/1963 | |
| ARGENTINA | Reservation | 10/10/1963 | |
| ARGENTINA | Withdrawal Res. | 24/10/1979 | |
| ARGENTINA | Objection | 03/10/1983 | |
| ARMENIA | Participation | 13/09/1993 | 13/10/1993 |
| AUSTRALIA | Signature | 30/03/1961 | |
| AUSTRALIA | Ratification | 01/12/1967 | |
| AUSTRIA | Accession | 01/02/1978 | 03/03/1978 |
| AUSTRIA | Statement | 01/02/1978 | |
| AZERBAIJAN | Accession | 11/01/1999 | |
| Bahamas | Extension | 26/01/1965 | |
| BAHAMAS | Succession | 13/08/1975 | |
| BAHRAIN | Participation | 07/02/1990 | 09/03/1990 |
| BANGLADESH | Accession | 25/04/1975 | 25/05/1975 |
| BANGLADESH | Reservation | 25/04/1975 | |
| Barbados | Extension | 03/05/1966 | |
| BARBADOS | Succession | 21/06/1976 | |
| Basutoland | Extension | 26/01/1965 | |
| Bechuanaland | Extension | 26/01/1965 | |
| BELGIUM | Signature | 28/07/1961 | |
| BELGIUM | Ratification | 17/10/1969 | |
| BENIN | Signature | 30/03/1961 | |
| BENIN | Ratification | 27/04/1962 | |
| Berlin West | Extension | 03/12/1973 | 02/01/1974 |
| Bermuda | Extension | 26/01/1965 | |
| BOLIVIA | Participation | 23/09/1976 | 23/10/1976 |
| BOSNIA AND HERZEGOVINA | Participation | 01/09/1993 | |
| BOTSWANA | Accession | 27/12/1984 | |
| BRAZIL | Signature | 30/03/1961 | |
| BRAZIL | Ratification | 18/06/1964 | |
| British Guiana | Extension | 26/01/1965 | |
| British Honduras | Extension | 26/01/1965 | |
| British Solomon Islands | Extension | 26/01/1965 | |
| British Virgin Islands | Extension | 26/01/1965 | |
| Brunei | Extension | 26/01/1965 | |
| BRUNEI DARUSSALAM | Accession | 25/11/1987 | 25/12/1987 |
| BULGARIA | Signature | 31/07/1961 | |
| BULGARIA | Reservation | 31/07/1961 | |
| BULGARIA | Ratification | 25/10/1968 | |
| BULGARIA | Reservation | 25/10/1968 | |
| BULGARIA | Withdrawal Res. | 06/05/1994 | |
| BURKINA FASO | Accession | 02/06/1992 | 02/07/1992 |
| BURMA | Signature | 30/03/1961 | |
| BURMA | Reservation | 30/03/1961 | |
| BURMA | Ratification | 29/07/1963 | |
| BURMA | Reservation | 29/07/1963 | |
| BURUNDI | Participation | 18/02/1993 | 20/03/1993 |
| BYELORUSSIA S S R | Signature | 31/07/1961 | |
| BYELORUSSIA S S R | Ratification | 20/02/1964 | |
| BYELORUSSIA S S R | Reservation | 20/02/1964 | |
| CAMBODIA | Signature | 30/03/1961 | |
| CAMBODIA | Ratification | 07/07/2005 | 06/08/2005 |
| CAMEROON | Accession | 15/01/1962 | |
| CANADA | Signature | 30/03/1961 | |
| CANADA | Ratification | 11/10/1961 | |
| CAPE VERDE | Participation | 24/05/1990 | 23/06/1990 |
| Cayman Islands | Extension | 26/01/1965 | |
| CEYLON | Accession | 11/07/1963 | |
| CEYLON | Statement | 11/07/1963 | |
| CHAD | Signature | 30/03/1961 | |
| CHAD | Ratification | 29/01/1963 | |
| Channel Islands | Extension | 24/06/1977 | |
| CHILE | Signature | 30/03/1961 | |
| CHILE | Ratification | 07/02/1968 | |
| Christmas Island | Extension | 01/12/1967 | |
| Cocos Keeling Islands | Extension | 01/12/1967 | |
| COLOMBIA | Accession | 03/03/1975 | 02/04/1975 |
| CONGO | Ratification | 03/03/2004 | 02/04/2004 |
| CONGO, REPUBLIC OF | Signature | 30/03/1961 | |
| Cook Islands | Extension | 26/03/1963 | |
| COSTA RICA | Signature | 30/03/1961 | |
| COSTA RICA | Ratification | 07/05/1970 | |
| CROATIA | Succession | 26/07/1993 | 08/10/1991 |
| CUBA | Accession | 30/08/1962 | |
| CYPRUS | Accession | 30/01/1969 | |
| CZECH REPUBLIC | Succession | 30/12/1993 | 01/01/1993 |
| CZECHOSLOVAKIA | Signature | 31/07/1961 | |
| CZECHOSLOVAKIA | Reservation | 31/07/1961 | |
| CZECHOSLOVAKIA | Ratification | 20/03/1964 | |
| CZECHOSLOVAKIA | Reservation | 20/03/1964 | |
| CZECHOSLOVAKIA | Statement | 20/03/1964 | |
| DAHOMEY | Signature | 30/03/1961 | |
| DAHOMEY | Ratification | 27/04/1962 | |
| DENMARK | Signature | 30/03/1961 | |
| DENMARK | Ratification | 15/09/1964 | |
| DJIBOUTI | Accession | 22/02/2001 | 24/03/2001 |
| Dominica | Extension | 26/01/1965 | |
| DOMINICA, COMMONWEALTH OF | Accession | 24/09/1993 | 24/10/1993 |
| DOMINICAN REPUBLIC | Accession | 26/09/1972 | 26/10/1972 |
| ECUADOR | Accession | 14/01/1964 | |
| EGYPT | Signature | 30/03/1961 | |
| EGYPT | Ratification | 20/07/1966 | |
| EGYPT | Declaration | 20/07/1966 | |
| EGYPT | Withdrawal Dec. | 18/01/1980 | |
| EL SALVADOR | Signature | 30/03/1961 | |
| EL SALVADOR | Ratification | 26/02/1998 | 28/03/1998 |
| ERITREA | Accession | 30/01/2002 | 01/03/2002 |
| ETHIOPIA | Accession | 29/04/1965 | |
| Falkland Islands | Extension | 26/01/1965 | |
| Fiji | Extension | 26/01/1965 | |
| FIJI | Succession | 01/11/1971 | |
| FINLAND | Signature | 30/03/1961 | |
| FINLAND | Ratification | 06/07/1965 | |
| FRANCE | Accession | 19/02/1969 | |
| FRANCE | Reservation | 19/02/1969 | |
| GABON | Accession | 29/02/1968 | |
| GAMBIA THE | Accession | 23/04/1996 | 23/05/1996 |
| GERMAN DEMOCRATIC REPUBLIC | Accession | 02/12/1975 | 01/01/1976 |
| GERMAN DEMOCRATIC REPUBLIC | Reservation | 02/12/1975 | |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 02/12/1975 | |
| GERMAN DEMOCRATIC REPUBLIC | Communication | 15/03/1976 | |
| GERMANY FEDERAL REPUBLIC | Signature | 31/07/1961 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 03/12/1973 | 02/01/1974 |
| GERMANY FEDERAL REPUBLIC | Declaration | 03/12/1973 | |
| GHANA | Signature | 30/03/1961 | |
| GHANA | Ratification | 15/01/1964 | |
| Gibraltar | Extension | 26/01/1965 | |
| Gilbert And Ellice Islands | Extension | 26/01/1965 | |
| GREECE | Accession | 06/06/1972 | 06/07/1972 |
| GREECE | Communication | 12/04/1994 | |
| Grenada | Extension | 26/01/1965 | |
| GUATEMALA | Signature | 26/07/1961 | |
| GUATEMALA | Ratification | 01/12/1967 | |
| GUINEA | Accession | 07/10/1968 | |
| GUINEA BISSAU | Accession | 27/10/1995 | 26/11/1995 |
| GUYANA | Accession | 15/07/2002 | 14/08/2002 |
| HAITI | Signature | 03/04/1961 | |
| HAITI | Ratification | 29/01/1973 | |
| Heard Island | Extension | 01/12/1967 | |
| HONDURAS | Accession | 16/04/1973 | 16/05/1973 |
| Hong Kong | Extension | 26/01/1965 | |
| Hong Kong | Notification | 10/06/1997 | 01/07/1997 |
| HUNGARY | Signature | 31/07/1961 | |
| HUNGARY | Reservation | 31/07/1961 | |
| HUNGARY | Ratification | 24/04/1964 | |
| HUNGARY | Reservation | 24/04/1964 | |
| HUNGARY | Withdrawal Res. | 08/12/1989 | |
| ICELAND | Accession | 18/12/1974 | 17/01/1975 |
| INDIA | Signature | 30/03/1961 | |
| INDIA | Ratification | 13/12/1964 | |
| INDIA | Reservation | 13/12/1964 | |
| INDIA | Declaration | 13/12/1964 | |
| INDONESIA | Signature | 28/07/1961 | |
| INDONESIA | Reservation | 28/07/1961 | |
| INDONESIA | Ratification | 03/09/1976 | |
| INDONESIA | Withdrawal Res. | 03/09/1976 | |
| INDONESIA | Reservation | 03/09/1976 | |
| IRAN | Signature | 30/03/1961 | |
| IRAN | Ratification | 30/08/1972 | |
| IRAQ | Signature | 30/03/1961 | |
| IRAQ | Ratification | 29/08/1962 | |
| IRELAND, REPUBLIC OF | Accession | 16/12/1980 | 15/01/1981 |
| Isle of Man | Extension | 24/06/1977 | |
| ISRAEL | Accession | 23/11/1962 | |
| ISRAEL | Objection | 23/05/1972 | |
| ITALY | Signature | 04/04/1961 | |
| ITALY | Ratification | 14/04/1975 | 14/05/1975 |
| ITALY | Objection | 18/12/1998 | |
| IVORY COAST | Accession | 10/07/1962 | |
| JAMAICA | Accession | 29/04/1964 | |
| JAPAN | Signature | 26/07/1961 | |
| JAPAN | Ratification | 13/07/1964 | |
| JORDAN | Signature | 30/03/1961 | |
| JORDAN | Ratification | 15/11/1962 | |
| KAZAKHSTAN | Accession | 29/04/1997 | 29/05/1997 |
| KENYA | Accession | 13/11/1964 | |
| KOREA DEMOCRATIC PEOPLE'S REPUBLIC OF | Accession | 19/03/2007 | 18/04/2007 |
| KOREA REPUBLIC OF | Signature | 30/03/1961 | |
| KOREA REPUBLIC OF | Ratification | 13/02/1962 | |
| KUWAIT | Accession | 16/04/1962 | |
| KYRGYZSTAN | Accession | 07/10/1994 | 06/11/1994 |
| LAOS | Accession | 22/06/1973 | 22/07/1963 |
| LATVIA | Accession | 16/07/1993 | 15/08/1993 |
| LEBANON | Signature | 30/03/1961 | |
| LEBANON | Ratification | 23/04/1965 | |
| LESOTHO | Succession | 04/11/1974 | |
| LIBERIA | Signature | 30/03/1961 | |
| LIBERIA | Ratification | 13/04/1987 | 13/05/1987 |
| LIBYA | Accession | 27/09/1978 | |
| LIECHTENSTEIN | Signature | 14/07/1961 | |
| LIECHTENSTEIN | Ratification | 31/10/1979 | 30/11/1979 |
| LIECHTENSTEIN | Declaration | 31/10/1979 | |
| LIECHTENSTEIN | Communication | 11/03/1980 | |
| LITHUANIA | Accession | 28/02/1994 | 30/03/1994 |
| LUXEMBOURG | Signature | 28/07/1961 | |
| LUXEMBOURG | Ratification | 27/10/1972 | |
| Macao | Extension | 27/04/1999 | 27/04/1999 |
| Macao | Communication | 19/10/1999 | 20/12/1999 |
| Macdonald Island | Extension | 01/12/1967 | |
| MACEDONIA THE FYR OF | Accession | 13/10/1993 | 12/11/1993 |
| MADAGASCAR | Signature | 30/03/1961 | |
| MADAGASCAR | Ratification | 20/06/1974 | 20/07/1974 |
| MALAWI | Accession | 08/06/1965 | |
| MALAYSIA | Accession | 11/07/1967 | 10/08/1967 |
| MALI | Accession | 15/12/1964 | |
| MALTA | Participation | 22/02/1990 | 24/03/1990 |
| MARSHALL ISLANDS | Accession | 09/08/1991 | |
| MAURITANIA | Participation | 24/10/1989 | 23/11/1989 |
| Mauritius | Extension | 26/01/1965 | |
| MEXICO | Signature | 24/07/1961 | |
| MEXICO | Ratification | 18/04/1967 | |
| MICRONESIA | Accession | 29/04/1991 | 29/05/1991 |
| MOLDOVA REPUBLIC OF | Accession | 15/02/1995 | 17/03/1995 |
| MONACO | Accession | 14/08/1969 | |
| MONGOLIA | Objection | 11/01/1971 | |
| MONGOLIA | Accession | 06/05/1991 | 05/06/1991 |
| Montserrat | Extension | 26/01/1965 | |
| MOROCCO | Accession | 04/12/1961 | |
| MOZAMBIQUE | Accession | 08/06/1998 | 08/07/1998 |
| NAMIBIA | Accession | 31/03/1998 | 30/04/1998 |
| Nauru | Extension | 01/12/1967 | |
| NEPAL | Participation | 29/06/1987 | |
| NETHERLANDS THE | Signature | 31/07/1961 | |
| NETHERLANDS THE | Ratification | 16/07/1965 | |
| NETHERLANDS THE | Declaration | 16/07/1965 | |
| Netherlands West Indies | Extension | 27/05/1965 | |
| New Guinea | Extension | 01/12/1967 | |
| NEW ZEALAND | Signature | 30/03/1961 | |
| NEW ZEALAND | Ratification | 26/03/1963 | |
| NICARAGUA | Signature | 30/03/1961 | |
| NICARAGUA | Ratification | 21/06/1973 | |
| NIGER | Accession | 18/04/1963 | |
| NIGERIA | Signature | 30/03/1961 | |
| NIGERIA | Ratification | 06/06/1969 | |
| Niue Island | Extension | 26/03/1963 | |
| Norfolk Island | Extension | 01/12/1967 | |
| NORWAY | Signature | 30/03/1961 | |
| NORWAY | Ratification | 01/09/1967 | |
| OMAN | Accession | 24/07/1987 | |
| PAKISTAN | Signature | 30/03/1961 | |
| PAKISTAN | Ratification | 09/07/1965 | |
| PAKISTAN | Reservation | 09/07/1965 | |
| PANAMA | Signature | 30/03/1961 | |
| PANAMA | Ratification | 04/12/1963 | |
| Papua | Extension | 01/12/1967 | |
| PAPUA NEW GUINEA | Succession | 28/10/1980 | 27/11/1980 |
| PAPUA NEW GUINEA | Reservation | 28/10/1980 | 27/11/1980 |
| PARAGUAY | Signature | 30/03/1961 | |
| PARAGUAY | Ratification | 03/02/1972 | |
| PERU | Signature | 30/03/1961 | |
| PERU | Reservation | 30/03/1961 | |
| PERU | Ratification | 22/07/1964 | |
| PERU | Withdrawal Res. | 22/07/1964 | |
| PHILIPPINES | Signature | 30/03/1961 | |
| PHILIPPINES | Ratification | 02/10/1967 | |
| POLAND | Signature | 31/07/1961 | |
| POLAND | Ratification | 16/03/1966 | |
| POLAND | Reservation | 16/03/1966 | |
| PORTUGAL | Signature | 30/03/1961 | |
| PORTUGAL | Ratification | 30/12/1971 | |
| PORTUGAL | Communication | 25/04/1972 | |
| PORTUGAL | Extension | 27/04/1999 | 27/04/1999 |
| PORTUGAL | Communication | 21/10/1999 | |
| QATAR | Participation | 03/10/1986 | 02/11/1986 |
| ROMANIA | Accession | 14/01/1974 | 13/02/1974 |
| ROMANIA | Reservation | 14/01/1974 | |
| ROMANIA | Declaration | 14/01/1974 | |
| ROMANIA | Withdrawal Res. | 19/09/2007 | 19/09/2007 |
| RWANDA | Participation | 15/07/1981 | 14/08/1981 |
| SAINT LUCIA | Succession | 05/07/1991 | 22/02/1979 |
| SAN MARINO | Accession | 10/10/2000 | 09/11/2000 |
| SAO TOME AND PRINCIPE | Accession | 20/06/1996 | 20/07/1996 |
| SAUDI ARABIA | Accession | 21/04/1973 | 21/05/1973 |
| SAUDI ARABIA | Reservation | 21/04/1973 | |
| SENEGAL | Accession | 24/01/1964 | |
| Seychelles | Extension | 26/01/1965 | |
| SEYCHELLES | Accession | 27/02/1992 | 28/03/1992 |
| SIERRA LEONE | Participation | 06/06/1994 | 06/07/1994 |
| SINGAPORE | Accession | 15/03/1973 | 14/04/1973 |
| SLOVAK REPUBLIC | Succession | 28/05/1993 | 01/01/1993 |
| SLOVENIA | Participation | 06/07/1992 | |
| SOLOMON ISLANDS | Succession | 17/03/1982 | 07/07/1978 |
| SOMALI DEMOCRATIC REPUBLIC | Accession | 09/06/1988 | 09/07/1988 |
| SOUTH AFRICA | Accession | 16/11/1971 | 16/12/1971 |
| SOUTH AFRICA | Reservation | 16/11/1971 | |
| Southern Rhodesia | Extension | 26/01/1965 | |
| SOVIET UNION | Signature | 31/07/1961 | |
| SOVIET UNION | Ratification | 20/02/1964 | |
| SOVIET UNION | Declaration | 20/02/1964 | |
| SOVIET UNION | Declaration | 03/05/1974 | |
| SPAIN | Signature | 27/07/1961 | |
| SPAIN | Ratification | 01/03/1966 | |
| St Christopher, Nevis and Anguilla | Extension | 26/01/1965 | |
| St Helena | Extension | 26/01/1965 | |
| ST KITTS AND NEVIS | Accession | 09/05/1994 | 08/06/1994 |
| St Lucia | Extension | 26/01/1965 | |
| St Vincent | Extension | 26/01/1965 | |
| ST VINCENT AND THE GRENADINES | Succession | 03/11/2001 | 27/10/1979 |
| SUDAN | Accession | 24/04/1974 | 24/05/1974 |
| SUDAN | Accession | 05/07/1994 | 08/08/1994 |
| Surinam | Extension | 16/07/1965 | |
| SURINAME | Succession | 29/03/1990 | 25/11/1975 |
| Swaziland | Extension | 26/01/1965 | |
| SWAZILAND | Accession | 18/10/1995 | |
| SWEDEN | Signature | 03/04/1961 | |
| SWEDEN | Ratification | 18/12/1964 | |
| SWITZERLAND | Signature | 20/04/1961 | |
| SWITZERLAND | Ratification | 23/01/1970 | |
| SWITZERLAND | Declaration | 23/01/1970 | |
| SYRIA | Accession | 22/08/1962 | |
| TAIWAN | Signature | 30/03/1961 | |
| TAIWAN | Ratification | 12/05/1969 | |
| THAILAND | Signature | 24/07/1961 | |
| THAILAND | Ratification | 31/10/1961 | |
| The Gambia | Extension | 26/01/1965 | |
| TOGO | Accession | 06/05/1963 | |
| Tokelau Islands | Extension | 26/03/1963 | |
| TRINIDAD AND TOBAGO | Accession | 22/06/1964 | |
| TUNISIA | Signature | 30/03/1961 | |
| TUNISIA | Ratification | 08/09/1964 | |
| TURKEY | Accession | 23/05/1967 | |
| TURKMENISTAN | Accession | 21/02/1996 | 22/03/1996 |
| Turks And Caicos Islands | Extension | 26/01/1965 | |
| UGANDA | Statement | 15/02/1972 | |
| UGANDA | Accession | 15/04/1988 | 15/05/1988 |
| UKRAINE | Signature | 31/07/1961 | |
| UKRAINE | Ratification | 15/04/1964 | |
| UKRAINE | Reservation | 15/04/1964 | |
| UKRAINE | Declaration | 06/08/1974 | |
| UNITED ARAB EMIRATES | Participation | 17/02/1988 | 18/03/1988 |
| UNITED KINGDOM | Signature | 30/03/1961 | |
| UNITED KINGDOM | Ratification | 02/09/1964 | |
| UNITED KINGDOM | Statement | 02/09/1964 | |
| UNITED KINGDOM | Objection | 14/12/2012 | |
| UNITED STATES OF AMERICA | Accession | 25/05/1967 | |
| UNITED STATES OF AMERICA | Objection | 03/07/2012 | |
| UPPER VOLTA | Accession | 16/09/1969 | |
| URUGUAY | Accession | 31/10/1975 | 30/11/1975 |
| UZBEKISTAN | Accession | 24/08/1995 | 23/09/1995 |
| VATICAN CITY | Signature | 30/03/1961 | |
| VATICAN CITY | Ratification | 01/09/1970 | |
| VENEZUELA | Signature | 30/03/1961 | |
| VENEZUELA | Ratification | 14/02/1969 | |
| VIETNAM | Accession | 14/09/1970 | 14/10/1970 |
| VIETNAM, REPUBLIC OF | Accession | 14/09/1970 | 14/10/1970 |
| YEMEN | Accession | 25/03/1996 | |
| YUGOSLAVIA | Signature | 30/03/1961 | |
| YUGOSLAVIA | Ratification | 27/08/1963 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Succession | 12/03/2001 | 27/04/1992 |
| ZAIRE | Signature | 28/04/1961 | |
| ZAIRE | Ratification | 19/11/1973 | |
| ZAMBIA | Accession | 12/08/1965 | |
| ZIMBABWE | Participation | 30/07/1993 | 29/08/1993 |
| ZIMBABWE | Succession | 01/12/1998 | 18/04/1980 |