| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Accession | 30/08/2005 | 28/11/2005 |
| AFGHANISTAN | Declaration | 30/08/2005 | |
| ALBANIA | Accession | 18/08/1992 | 16/11/1992 |
| ALBANIA | Declaration | 18/08/1992 | |
| ALGERIA | Succession | 21/02/1963 | |
| ALGERIA | Declaration | 21/02/1963 | |
| ANGOLA | Accession | 23/06/1981 | 21/09/1981 |
| ANGOLA | Declaration | 23/06/1981 | |
| ANGOLA | Reservation | 23/06/1981 | |
| ANTIGUA AND BARBUDA | Accession | 07/09/1995 | 05/12/1995 |
| ANTIGUA AND BARBUDA | Declaration | 07/09/1995 | |
| ARGENTINA | Accession | 15/11/1961 | |
| ARGENTINA | Declaration | 15/11/1961 | |
| ARGENTINA | Objection | 03/10/1983 | |
| ARGENTINA | Notification | 15/11/1984 | |
| ARMENIA | Accession | 06/07/1993 | 04/10/1993 |
| ARMENIA | Declaration | 06/07/1993 | |
| AUSTRALIA | Accession | 22/01/1954 | |
| AUSTRALIA | Declaration | 22/01/1954 | |
| AUSTRALIA | Reservation | 22/01/1954 | |
| AUSTRALIA | Withdrawal Res. | 01/12/1967 | |
| AUSTRALIA | Notification | 06/07/1970 | |
| AUSTRALIA | Withdrawal Res. | 11/03/1971 | |
| AUSTRIA | Signature | 28/07/1951 | |
| AUSTRIA | Reservation | 28/07/1951 | |
| AUSTRIA | Ratification | 01/11/1954 | |
| AUSTRIA | Reservation | 01/11/1954 | |
| AUSTRIA | Declaration | 01/11/1954 | |
| AZERBAIJAN | Accession | 12/02/1993 | 13/05/1993 |
| AZERBAIJAN | Declaration | 12/02/1993 | 13/05/1993 |
| Bahamas | Extension | 20/04/1970 | 19/07/1970 |
| Bahamas | Reservation | 20/04/1970 | |
| BAHAMAS | Accession | 15/09/1993 | 14/12/1993 |
| BAHAMAS | Reservation | 15/09/1993 | |
| BAHAMAS | Declaration | 15/09/1993 | |
| Basutoland | Extension | 11/11/1960 | 09/02/1961 |
| Basutoland | Reservation | 11/11/1960 | |
| Bechuanaland | Extension | 11/11/1960 | 09/02/1961 |
| Bechuanaland | Reservation | 11/11/1960 | |
| BELARUS | Accession | 23/08/2001 | |
| BELARUS | Declaration | 23/08/2001 | |
| BELGIUM | Signature | 28/07/1951 | |
| BELGIUM | Ratification | 22/07/1953 | |
| BELGIUM | Reservation | 22/07/1953 | |
| BELGIUM | Declaration | 22/07/1953 | |
| BELGIUM | Objection | 05/11/1984 | |
| BELIZE | Accession | 27/06/1990 | 25/09/1990 |
| BELIZE | Declaration | 27/06/1990 | |
| BOLIVIA | Accession | 09/02/1982 | 10/05/1982 |
| BOLIVIA | Declaration | 09/02/1982 | |
| BOSNIA AND HERZEGOVINA | Succession | 01/09/1993 | 06/03/1992 |
| BOSNIA AND HERZEGOVINA | Declaration | 01/09/1993 | |
| BOTSWANA | Accession | 06/01/1969 | |
| BOTSWANA | Reservation | 06/01/1969 | |
| BOTSWANA | Declaration | 06/01/1969 | |
| BOTSWANA | Declaration | 21/01/1983 | |
| BOTSWANA | Communication | 29/04/1986 | |
| BRAZIL | Signature | 28/07/1951 | |
| BRAZIL | Ratification | 16/11/1960 | |
| BRAZIL | Reservation | 16/11/1960 | |
| BRAZIL | Declaration | 16/11/1960 | |
| BRAZIL | Withdrawal Res. | 07/04/1972 | |
| BRAZIL | Notification | 14/02/1990 | |
| British Honduras | Extension | 19/06/1957 | 17/09/1957 |
| British Honduras | Reservation | 19/06/1957 | |
| BULGARIA | Accession | 12/05/1993 | 10/08/1993 |
| BULGARIA | Declaration | 12/05/1993 | |
| BURUNDI | Accession | 16/07/1963 | |
| BURUNDI | Declaration | 16/07/1963 | |
| CAMBODIA | Accession | 15/10/1992 | 13/01/1992 |
| CAMEROON | Succession | 23/10/1961 | |
| CAMEROON | Declaration | 23/10/1961 | |
| CAMEROON | Notification | 29/12/1961 | |
| CANADA | Accession | 04/06/1969 | |
| CANADA | Reservation | 04/06/1969 | |
| CANADA | Declaration | 04/06/1969 | |
| CANADA | Declaration | 23/10/1970 | |
| Cayman Islands | Extension | 25/10/1956 | 23/01/1957 |
| Cayman Islands | Reservation | 25/10/1956 | |
| CENTRAL AFRICAN REPUBLIC | Succession | 04/09/1962 | |
| CENTRAL AFRICAN REPUBLIC | Declaration | 04/09/1962 | |
| CENTRAL AFRICAN REPUBLIC | Notification | 15/10/1962 | |
| CHAD | Accession | 19/08/1981 | 17/11/1981 |
| CHAD | Declaration | 19/08/1981 | |
| Channel Islands | Extension | 11/03/1954 | |
| Channel Islands | Reservation | 11/03/1954 | |
| CHILE | Accession | 28/01/1972 | 27/04/1972 |
| CHILE | Reservation | 28/01/1972 | |
| CHILE | Declaration | 28/01/1972 | |
| CHINA | Accession | 24/09/1982 | 23/12/1982 |
| CHINA | Reservation | 24/09/1982 | |
| CHINA | Declaration | 24/09/1982 | |
| CHINA | Communication | 03/12/1999 | 20/12/1999 |
| COLOMBIA | Signature | 28/07/1951 | |
| COLOMBIA | Ratification | 10/10/1961 | |
| COLOMBIA | Declaration | 10/10/1961 | |
| CONGO | Succession | 15/10/1962 | |
| CONGO | Declaration | 15/10/1962 | |
| COSTA RICA | Accession | 28/03/1978 | 26/06/1978 |
| COSTA RICA | Declaration | 28/03/1978 | |
| CROATIA | Succession | 12/10/1992 | 08/10/1991 |
| CROATIA | Declaration | 12/10/1992 | |
| Cyprus | Extension | 25/10/1956 | 23/01/1957 |
| Cyprus | Reservation | 25/10/1956 | |
| CYPRUS | Succession | 16/05/1963 | |
| CYPRUS | Reservation | 16/05/1963 | |
| CYPRUS | Declaration | 16/05/1963 | |
| CZECH REPUBLIC | Succession | 11/05/1993 | 01/01/1993 |
| CZECH REPUBLIC | Declaration | 11/05/1993 | |
| CZECHOSLOVAKIA | Accession | 26/11/1991 | 24/02/1992 |
| CZECHOSLOVAKIA | Declaration | 26/11/1991 | |
| DAHOMEY | Succession | 04/04/1962 | |
| DAHOMEY | Declaration | 04/04/1962 | |
| DAHOMEY | Notification | 01/12/1967 | |
| DENMARK | Signature | 28/07/1951 | |
| DENMARK | Ratification | 04/12/1952 | |
| DENMARK | Reservation | 04/12/1952 | |
| DENMARK | Declaration | 04/12/1952 | |
| DENMARK | Withdrawal Res. | 23/08/1962 | 01/10/1961 |
| DENMARK | Withdrawal Res. | 25/03/1968 | |
| DENMARK | Reservation | 25/03/1968 | |
| DJIBOUTI | Succession | 09/08/1977 | |
| DJIBOUTI | Declaration | 09/08/1977 | |
| Dominica | Extension | 25/10/1956 | 23/01/1957 |
| Dominica | Reservation | 25/10/1956 | |
| DOMINICA, COMMONWEALTH OF | Accession | 17/02/1994 | 18/05/1994 |
| DOMINICA, COMMONWEALTH OF | Declaration | 17/02/1994 | |
| DOMINICAN REPUBLIC | Accession | 04/01/1978 | 04/04/1978 |
| DOMINICAN REPUBLIC | Declaration | 04/01/1978 | |
| ECUADOR | Accession | 17/08/1955 | |
| ECUADOR | Declaration | 17/08/1955 | |
| ECUADOR | Notification | 01/02/1972 | |
| EGYPT | Accession | 22/05/1981 | 20/08/1981 |
| EGYPT | Reservation | 22/05/1981 | |
| EGYPT | Declaration | 22/05/1981 | |
| EGYPT | Notification | 24/09/1981 | |
| EL SALVADOR | Accession | 28/04/1983 | 27/07/1983 |
| EL SALVADOR | Declaration | 28/04/1983 | |
| EQUATORIAL GUINEA | Accession | 07/02/1986 | 08/05/1986 |
| EQUATORIAL GUINEA | Declaration | 07/02/1986 | |
| ESTONIA | Accession | 10/04/1997 | |
| ESTONIA | Reservation | 10/04/1997 | |
| ETHIOPIA | Accession | 10/11/1969 | 08/02/1970 |
| ETHIOPIA | Declaration | 10/11/1969 | |
| ETHIOPIA | Objection | 10/01/1979 | |
| Falkland Islands | Extension | 25/10/1956 | 23/01/1957 |
| Falkland Islands | Reservation | 25/10/1956 | |
| Fiji | Extension | 25/10/1956 | 23/01/1957 |
| Fiji | Reservation | 25/10/1956 | |
| FIJI | Succession | 12/06/1972 | |
| FIJI | Reservation | 12/06/1972 | |
| FIJI | Declaration | 12/06/1972 | |
| FINLAND | Accession | 10/10/1968 | |
| FINLAND | Reservation | 10/10/1968 | |
| FINLAND | Declaration | 10/10/1968 | |
| FINLAND | Withdrawal Res. | 07/10/2004 | 01/01/1900 |
| FRANCE | Signature | 11/09/1952 | |
| FRANCE | Ratification | 23/06/1954 | |
| FRANCE | Declaration | 23/06/1954 | |
| FRANCE | Declaration | 03/02/1971 | |
| FRANCE | Objection | 23/10/1984 | |
| GABON | Accession | 27/04/1964 | |
| GABON | Declaration | 27/04/1964 | |
| GAMBIA THE | Succession | 07/09/1966 | |
| GAMBIA THE | Reservation | 07/09/1966 | |
| GAMBIA THE | Declaration | 07/09/1966 | |
| GEORGIA | Accession | 09/08/1999 | 07/11/1999 |
| GEORGIA | Declaration | 09/08/1999 | |
| GERMAN DEMOCRATIC REPUBLIC | Accession | 04/09/1990 | |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 04/09/1990 | |
| GERMANY FEDERAL REPUBLIC | Signature | 19/11/1951 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 01/12/1953 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 01/12/1953 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 15/12/1955 | |
| GERMANY FEDERAL REPUBLIC | Objection | 05/12/1984 | |
| GHANA | Accession | 18/03/1963 | |
| GHANA | Declaration | 18/03/1963 | |
| Gilbert And Ellice Islands | Extension | 25/10/1956 | 23/01/1957 |
| Gilbert And Ellice Islands | Reservation | 25/10/1956 | |
| GREECE | Signature | 10/04/1952 | |
| GREECE | Ratification | 05/04/1960 | |
| GREECE | Reservation | 05/04/1960 | |
| GREECE | Objection | 05/04/1960 | |
| GREECE | Declaration | 05/04/1960 | |
| GREECE | Withdrawal Res. | 19/04/1978 | |
| GREECE | Withdrawal Res. | 27/02/1995 | |
| Greenland | Extension | 04/12/1952 | |
| Greenland | Reservation | 04/12/1952 | |
| Greenland | Withdrawal Res. | 23/08/1962 | 01/10/1961 |
| Greenland | Withdrawal Res. | 25/03/1968 | |
| Greenland | Reservation | 25/03/1968 | |
| Grenada | Extension | 25/10/1956 | 23/01/1957 |
| Grenada | Reservation | 25/10/1956 | |
| GUATEMALA | Accession | 22/09/1983 | 21/12/1983 |
| GUATEMALA | Reservation | 22/09/1983 | |
| GUATEMALA | Declaration | 22/09/1983 | |
| GUINEA | Succession | 28/12/1965 | |
| GUINEA | Declaration | 28/12/1965 | |
| GUINEA BISSAU | Accession | 11/02/1976 | 11/05/1976 |
| GUINEA BISSAU | Declaration | 11/02/1976 | |
| HAITI | Accession | 25/09/1984 | 24/12/1984 |
| HAITI | Declaration | 25/09/1984 | |
| HONDURAS | Accession | 23/03/1992 | 21/06/1992 |
| HONDURAS | Reservation | 23/03/1992 | 21/06/1992 |
| HONDURAS | Declaration | 23/03/1992 | |
| HUNGARY | Accession | 14/03/1989 | 12/06/1989 |
| HUNGARY | Declaration | 14/03/1989 | |
| HUNGARY | Declaration | 08/01/1998 | 01/03/1998 |
| ICELAND | Accession | 30/11/1955 | |
| ICELAND | Declaration | 30/11/1955 | |
| IRAN | Accession | 28/07/1976 | 26/10/1976 |
| IRAN | Declaration | 28/07/1976 | |
| IRAN | Declaration | 27/09/1976 | |
| IRELAND, REPUBLIC OF | Accession | 29/11/1956 | |
| IRELAND, REPUBLIC OF | Reservation | 29/11/1956 | |
| IRELAND, REPUBLIC OF | Declaration | 29/11/1956 | |
| IRELAND, REPUBLIC OF | Withdrawal Res. | 23/10/1968 | |
| Isle of Man | Extension | 11/03/1954 | |
| Isle of Man | Reservation | 11/03/1954 | |
| ISRAEL | Signature | 01/08/1951 | |
| ISRAEL | Ratification | 01/10/1954 | |
| ISRAEL | Reservation | 01/10/1954 | |
| ISRAEL | Declaration | 01/10/1954 | |
| ITALY | Signature | 23/07/1952 | |
| ITALY | Reservation | 23/07/1952 | |
| ITALY | Ratification | 15/11/1954 | |
| ITALY | Reservation | 15/11/1954 | |
| ITALY | Declaration | 15/11/1954 | |
| ITALY | Withdrawal Res. | 20/10/1964 | |
| ITALY | Reservation | 20/10/1964 | |
| ITALY | Objection | 26/11/1984 | |
| ITALY | Withdrawal Res. | 01/03/1990 | |
| ITALY | Declaration | 01/03/1990 | |
| IVORY COAST | Succession | 08/12/1961 | |
| IVORY COAST | Declaration | 08/12/1961 | |
| IVORY COAST | Declaration | 20/12/1966 | |
| Jamaica | Extension | 25/10/1956 | 23/01/1957 |
| Jamaica | Reservation | 25/10/1956 | |
| JAMAICA | Succession | 30/07/1964 | |
| JAMAICA | Reservation | 30/07/1964 | |
| JAMAICA | Declaration | 30/07/1964 | |
| JAPAN | Accession | 03/10/1981 | 01/01/1982 |
| JAPAN | Declaration | 03/10/1981 | |
| KAZAKHSTAN | Accession | 15/01/1999 | 15/04/1999 |
| KAZAKHSTAN | Declaration | 15/01/1999 | 15/04/1999 |
| Kenya | Extension | 25/10/1956 | 23/01/1957 |
| Kenya | Reservation | 25/10/1956 | |
| KENYA | Accession | 16/05/1966 | |
| KENYA | Declaration | 16/05/1966 | |
| KOREA REPUBLIC OF | Accession | 03/12/1992 | 03/03/1993 |
| KOREA REPUBLIC OF | Reservation | 03/12/1992 | |
| KOREA REPUBLIC OF | Declaration | 03/12/1992 | |
| KOREA REPUBLIC OF | Withdrawal Res. | 01/09/2009 | 08/09/2009 |
| KYRGYZSTAN | Accession | 08/10/1996 | 06/01/1997 |
| KYRGYZSTAN | Declaration | 08/10/1996 | |
| Land Berlin | Extension | 15/12/1955 | 22/04/1954 |
| LATVIA | Accession | 31/07/1997 | |
| LATVIA | Reservation | 31/07/1997 | |
| LATVIA | Declaration | 03/11/1997 | |
| LESOTHO | Accession | 14/05/1981 | 12/08/1981 |
| LESOTHO | Declaration | 14/05/1981 | |
| LIBERIA | Accession | 15/10/1964 | |
| LIBERIA | Declaration | 15/10/1964 | |
| LIECHTENSTEIN | Signature | 28/07/1951 | |
| LIECHTENSTEIN | Ratification | 08/03/1957 | |
| LIECHTENSTEIN | Reservation | 08/03/1957 | |
| LIECHTENSTEIN | Declaration | 08/03/1957 | |
| LIECHTENSTEIN | Withdrawal Res. | 13/10/2009 | 13/10/2009 |
| LIECHTENSTEIN | Withdrawal Res. | 13/10/2009 | 13/10/2009 |
| LITHUANIA | Accession | 28/04/1997 | |
| LITHUANIA | Declaration | 28/04/1997 | |
| LUXEMBOURG | Signature | 28/07/1951 | |
| LUXEMBOURG | Reservation | 28/07/1951 | |
| LUXEMBOURG | Ratification | 23/07/1953 | |
| LUXEMBOURG | Declaration | 23/07/1953 | |
| LUXEMBOURG | Declaration | 22/08/1972 | |
| LUXEMBOURG | Statement | 15/11/1984 | |
| Macao | Extension | 27/04/1999 | 26/07/1999 |
| MACEDONIA THE FYR OF | Succession | 18/01/1994 | 17/09/1991 |
| MACEDONIA THE FYR OF | Declaration | 18/01/1994 | |
| MALAGASY REPUBLIC | Accession | 18/12/1967 | |
| MALAGASY REPUBLIC | Reservation | 18/12/1967 | |
| MALAGASY REPUBLIC | Declaration | 18/12/1967 | |
| MALAWI | Declaration | 24/11/1964 | |
| MALAWI | Accession | 10/12/1987 | 09/03/1988 |
| MALAWI | Reservation | 10/12/1987 | |
| MALAWI | Declaration | 10/12/1987 | |
| MALAWI | Declaration | 04/02/1988 | |
| MALI | Succession | 02/02/1973 | |
| MALI | Declaration | 02/02/1973 | |
| MALTA | Accession | 17/06/1971 | 15/09/1971 |
| MALTA | Reservation | 17/06/1971 | |
| MALTA | Declaration | 17/06/1971 | |
| MALTA | Reservation | 17/01/2002 | 01/01/1900 |
| MALTA | Declaration | 17/01/2002 | |
| MALTA | Withdrawal | 24/02/2004 | 24/02/2004 |
| MAURITANIA | Accession | 05/05/1987 | 03/08/1987 |
| MAURITANIA | Declaration | 05/05/1987 | |
| Mauritius | Extension | 25/10/1956 | 23/01/1957 |
| Mauritius | Reservation | 25/10/1956 | |
| MEXICO | Withdrawal Res. | 11/07/2014 | |
| MOLDOVA REPUBLIC OF | Accession | 31/01/2002 | 01/05/2002 |
| MOLDOVA REPUBLIC OF | Declaration | 31/01/2002 | |
| MONACO | Accession | 18/05/1954 | |
| MONACO | Reservation | 18/05/1954 | |
| MONACO | Declaration | 18/05/1954 | |
| MONTENEGRO | Succession | 10/10/2006 | 03/06/2006 |
| MONTENEGRO | Declaration | 10/10/2006 | |
| Montserrat | Extension | 04/09/1968 | 03/12/1968 |
| MOROCCO | Succession | 07/11/1956 | |
| MOROCCO | Declaration | 07/11/1956 | |
| MOZAMBIQUE | Accession | 16/12/1983 | 15/03/1984 |
| MOZAMBIQUE | Reservation | 16/12/1983 | |
| MOZAMBIQUE | Declaration | 16/12/1983 | |
| NAMIBIA | Accession | 17/02/1995 | 18/05/1995 |
| NAMIBIA | Reservation | 17/02/1995 | |
| NAMIBIA | Declaration | 17/02/1995 | |
| Nauru | Extension | 22/01/1954 | |
| NAURU | Accession | 28/06/2011 | 26/09/2011 |
| NAURU | Declaration | 28/06/2011 | 26/09/2011 |
| NETHERLANDS THE | Signature | 28/07/1951 | |
| NETHERLANDS THE | Reservation | 28/07/1951 | |
| NETHERLANDS THE | Declaration | 28/07/1951 | |
| NETHERLANDS THE | Ratification | 03/05/1956 | |
| NETHERLANDS THE | Reservation | 03/05/1956 | |
| NETHERLANDS THE | Declaration | 03/05/1956 | |
| NETHERLANDS THE | Reservation | 11/12/1984 | |
| NEW ZEALAND | Accession | 30/06/1960 | |
| NEW ZEALAND | Declaration | 30/06/1960 | |
| NICARAGUA | Accession | 28/03/1980 | 26/06/1980 |
| NICARAGUA | Declaration | 28/03/1980 | |
| NIGER | Succession | 25/08/1961 | |
| NIGER | Declaration | 25/08/1961 | |
| NIGER | Declaration | 07/12/1964 | |
| NIGERIA | Accession | 23/10/1967 | |
| NIGERIA | Declaration | 23/10/1967 | |
| Norfolk Island | Extension | 22/01/1954 | |
| NORWAY | Signature | 28/07/1951 | |
| NORWAY | Ratification | 23/03/1953 | |
| NORWAY | Reservation | 23/03/1953 | |
| NORWAY | Declaration | 23/03/1953 | |
| NORWAY | Withdrawal Res. | 21/01/1954 | |
| PANAMA | Accession | 02/08/1978 | 31/10/1978 |
| PANAMA | Declaration | 02/08/1978 | |
| Papua New Guinea | Extension | 22/01/1954 | |
| PAPUA NEW GUINEA | Declaration | 17/07/1986 | |
| PAPUA NEW GUINEA | Accession | 17/07/1986 | 15/10/1986 |
| PAPUA NEW GUINEA | Reservation | 17/07/1986 | |
| PAPUA NEW GUINEA | Withdrawal Res. | 20/08/2013 | |
| PARAGUAY | Accession | 01/04/1970 | 30/06/1970 |
| PARAGUAY | Declaration | 01/04/1970 | |
| PARAGUAY | Declaration | 10/01/1991 | |
| PERU | Accession | 21/12/1964 | |
| PERU | Declaration | 21/12/1964 | |
| PERU | Declaration | 08/12/1980 | |
| PHILIPPINES | Accession | 22/07/1981 | 20/10/1981 |
| PHILIPPINES | Declaration | 22/07/1981 | |
| POLAND | Accession | 27/09/1991 | 26/12/1991 |
| POLAND | Reservation | 27/09/1991 | |
| POLAND | Declaration | 27/09/1991 | |
| PORTUGAL | Accession | 22/12/1960 | |
| PORTUGAL | Declaration | 22/12/1960 | |
| PORTUGAL | Reservation | 22/12/1960 | |
| PORTUGAL | Withdrawal Res. | 13/07/1976 | |
| PORTUGAL | Reservation | 13/07/1976 | |
| PORTUGAL | Declaration | 13/07/1976 | |
| PORTUGAL | Communication | 18/11/1999 | |
| Rhodesia And Nyasaland | Extension | 11/07/1960 | 09/10/1960 |
| Rhodesia And Nyasaland | Reservation | 11/07/1960 | |
| ROMANIA | Accession | 07/08/1991 | 05/11/1991 |
| ROMANIA | Declaration | 07/08/1991 | |
| RUSSIAN FEDERATION | Accession | 02/02/1993 | 03/05/1993 |
| RUSSIAN FEDERATION | Declaration | 02/02/1993 | |
| RWANDA | Accession | 03/01/1980 | 02/04/1980 |
| RWANDA | Reservation | 03/01/1980 | |
| RWANDA | Declaration | 03/01/1980 | |
| SAINT CHRISTOPHER AND NEVIS | Accession | 01/02/2002 | 02/05/2002 |
| SAINT CHRISTOPHER AND NEVIS | Declaration | 01/02/2002 | |
| SAMOA | Accession | 21/09/1988 | 20/12/1988 |
| SAMOA | Declaration | 21/09/1988 | |
| SAO TOME AND PRINCIPE | Accession | 01/02/1978 | 02/05/1978 |
| SAO TOME AND PRINCIPE | Declaration | 01/02/1978 | |
| SENEGAL | Succession | 02/05/1963 | |
| SENEGAL | Declaration | 02/05/1963 | |
| SENEGAL | Declaration | 12/10/1964 | |
| Seychelles | Extension | 25/10/1956 | 23/01/1957 |
| Seychelles | Reservation | 25/10/1956 | |
| SEYCHELLES | Accession | 23/04/1980 | 22/07/1980 |
| SEYCHELLES | Declaration | 23/04/1980 | |
| SIERRA LEONE | Accession | 22/05/1981 | 20/08/1981 |
| SIERRA LEONE | Reservation | 22/05/1981 | |
| SIERRA LEONE | Declaration | 22/05/1981 | |
| SLOVAK REPUBLIC | Succession | 04/02/1993 | 01/01/1993 |
| SLOVAK REPUBLIC | Declaration | 04/02/1993 | |
| SLOVENIA | Succession | 01/07/1992 | 25/06/1991 |
| SLOVENIA | Declaration | 01/07/1992 | |
| SOLOMON ISLANDS | Accession | 28/02/1995 | 29/05/1995 |
| SOLOMON ISLANDS | Declaration | 28/02/1995 | |
| Solomon Islands Protectorate | Extension | 25/10/1956 | 23/01/1957 |
| Solomon Islands Protectorate | Reservation | 25/10/1956 | |
| SOMALIA | Accession | 10/10/1978 | 08/01/1979 |
| SOMALIA | Reservation | 10/10/1978 | |
| SOMALIA | Declaration | 10/10/1978 | |
| Somaliland Protectorate | Extension | 25/10/1956 | 23/01/1957 |
| Somaliland Protectorate | Reservation | 25/10/1956 | |
| SOUTH AFRICA | Accession | 12/01/1996 | 11/04/1996 |
| SOUTH AFRICA | Declaration | 12/01/1996 | |
| SPAIN | Accession | 14/08/1978 | 12/11/1978 |
| SPAIN | Reservation | 14/08/1978 | |
| SPAIN | Declaration | 14/08/1978 | |
| St Helena | Extension | 25/10/1956 | 23/01/1957 |
| St Helena | Reservation | 25/10/1956 | |
| St Lucia | Extension | 04/09/1968 | 03/12/1968 |
| St Vincent | Extension | 25/10/1956 | 23/01/1957 |
| St Vincent | Reservation | 25/10/1956 | |
| ST VINCENT AND THE GRENADINES | Accession | 03/11/1993 | 01/02/1994 |
| ST VINCENT AND THE GRENADINES | Declaration | 03/11/1993 | |
| SUDAN | Accession | 22/02/1974 | 23/05/1974 |
| SUDAN | Reservation | 22/02/1974 | |
| SUDAN | Declaration | 22/02/1974 | |
| SUDAN | Declaration | 07/03/1974 | |
| Surinam | Extension | 29/07/1971 | |
| SURINAME | Succession | 29/11/1978 | |
| SURINAME | Notification | 29/11/1978 | |
| SURINAME | Declaration | 29/11/1978 | |
| Swaziland | Extension | 11/11/1960 | 09/02/1961 |
| Swaziland | Reservation | 11/11/1960 | |
| SWAZILAND | Accession | 14/02/2000 | 14/05/2000 |
| SWAZILAND | Declaration | 14/02/2000 | |
| SWEDEN | Signature | 28/07/1951 | |
| SWEDEN | Ratification | 26/10/1954 | |
| SWEDEN | Declaration | 26/10/1954 | |
| SWEDEN | Reservation | 26/10/1954 | |
| SWEDEN | Withdrawal Res. | 20/04/1961 | 01/07/1961 |
| SWEDEN | Withdrawal Res. | 25/11/1966 | |
| SWEDEN | Withdrawal Res. | 05/03/1970 | |
| SWITZERLAND | Signature | 28/07/1951 | |
| SWITZERLAND | Ratification | 21/01/1955 | |
| SWITZERLAND | Declaration | 21/01/1955 | |
| SWITZERLAND | Reservation | 21/01/1955 | |
| SWITZERLAND | Withdrawal Res. | 18/02/1963 | |
| SWITZERLAND | Withdrawal Res. | 03/07/1972 | |
| SWITZERLAND | Withdrawal Res. | 17/12/1980 | 01/01/1981 |
| TAJIKISTAN | Accession | 07/12/1993 | 07/03/1994 |
| TAJIKISTAN | Declaration | 07/12/1993 | |
| TANGANYIKA AND ZANZIBAR | Accession | 12/05/1964 | |
| TANGANYIKA AND ZANZIBAR | Declaration | 12/05/1964 | |
| The Gambia | Extension | 25/10/1956 | 23/01/1957 |
| The Gambia | Reservation | 25/10/1956 | |
| TIMOR-LESTE | Accession | 07/05/2003 | 06/08/2003 |
| TIMOR-LESTE | Declaration | 07/05/2003 | 06/08/2003 |
| TIMOR-LESTE | Reservation | 07/05/2003 | 06/08/2003 |
| TOGO | Succession | 27/02/1962 | |
| TOGO | Declaration | 27/02/1962 | |
| TOGO | Declaration | 23/10/1962 | |
| TRINIDAD AND TOBAGO | Accession | 10/11/2000 | 08/02/2001 |
| TRINIDAD AND TOBAGO | Declaration | 10/11/2000 | |
| TUNISIA | Succession | 24/10/1957 | |
| TUNISIA | Declaration | 24/10/1957 | |
| TURKEY | Signature | 24/08/1951 | |
| TURKEY | Reservation | 24/08/1951 | |
| TURKEY | Ratification | 30/03/1962 | |
| TURKEY | Reservation | 30/03/1962 | |
| TURKEY | Declaration | 30/03/1962 | |
| TURKMENISTAN | Accession | 02/03/1998 | 31/05/1998 |
| Turks And Caicos Islands | Extension | 25/10/1956 | 23/01/1957 |
| Turks And Caicos Islands | Reservation | 25/10/1956 | |
| TUVALU | Succession | 07/03/1986 | 01/10/1978 |
| TUVALU | Declaration | 07/03/1986 | |
| UGANDA | Accession | 27/09/1976 | 26/12/1976 |
| UGANDA | Reservation | 27/09/1976 | |
| UGANDA | Declaration | 27/09/1976 | |
| UKRAINE | Accession | 10/06/2002 | 08/09/2002 |
| UNITED KINGDOM | Signature | 28/07/1951 | |
| UNITED KINGDOM | Declaration | 28/07/1951 | |
| UNITED KINGDOM | Reservation | 11/03/1954 | |
| UNITED KINGDOM | Ratification | 11/03/1954 | |
| UNITED KINGDOM | Declaration | 28/02/1985 | |
| UPPER VOLTA | Accession | 18/06/1980 | 16/09/1980 |
| UPPER VOLTA | Declaration | 18/06/1990 | |
| URUGUAY | Accession | 22/09/1970 | 21/12/1970 |
| URUGUAY | Declaration | 22/09/1970 | |
| VATICAN CITY | Signature | 21/05/1952 | |
| VATICAN CITY | Ratification | 15/03/1956 | |
| VATICAN CITY | Reservation | 15/03/1956 | |
| VATICAN CITY | Declaration | 15/03/1956 | |
| VATICAN CITY | Declaration | 17/11/1961 | |
| YEMEN ARAB REPUBLIC | Accession | 18/01/1980 | 17/04/1980 |
| YEMEN ARAB REPUBLIC | Declaration | 18/01/1980 | |
| YUGOSLAVIA | Signature | 28/07/1951 | |
| YUGOSLAVIA | Ratification | 15/12/1959 | |
| YUGOSLAVIA | Declaration | 15/12/1959 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Succession | 12/03/2001 | 27/04/1992 |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Notification | 12/03/2001 | |
| ZAIRE | Accession | 19/07/1965 | |
| ZAIRE | Declaration | 19/07/1965 | |
| ZAMBIA | Succession | 24/09/1969 | 11/07/1960 |
| ZAMBIA | Reservation | 24/09/1969 | |
| ZAMBIA | Declaration | 24/09/1969 | |
| Zanzibar | Extension | 25/10/1956 | 23/01/1957 |
| Zanzibar | Reservation | 25/10/1956 | |
| ZIMBABWE | Accession | 25/08/1981 | 23/11/1981 |
| ZIMBABWE | Declaration | 25/08/1981 | |
| ZIMBABWE | Reservation | 25/08/1981 | |