| Countries/Territories |
Entry into force |
Ratification * |
Simple signature |
| Argentina |
Jun 23, 1961
|
Jun 23, 1961
[1]
|
Dec 1, 1959
|
| Australia |
Jun 23, 1961
|
Jun 23, 1961
[1]
|
Dec 1, 1959
|
| Austria |
Aug 25, 1987
|
Aug 25, 1987
[2]
|
- |
| Belgium |
Jun 23, 1961
|
Jul 26, 1960
[1]
|
Dec 1, 1959
|
| Brazil |
May 16, 1975
|
May 16, 1975
[2]
|
- |
| Bulgaria |
Sep 11, 1978
|
Sep 11, 1978
[2]
|
- |
| Canada |
May 4, 1988
|
May 4, 1988
[2]
|
- |
| Chile |
Jun 23, 1961
|
Jun 23, 1961
[1]
|
Dec 1, 1959
|
| China |
Jun 8, 1983
|
Jun 8, 1983
[2]
|
- |
| Colombia |
Jan 31, 1989
|
Jan 31, 1989
[2]
|
- |
| Cuba |
Aug 16, 1984
|
Aug 16, 1984
[2]
|
- |
| Czech Republic |
Jan 1, 1993
|
Jan 1, 1993
[4]
|
- |
| Denmark |
May 20, 1965
|
May 20, 1965
[2]
|
- |
| Ecuador |
Sep 15, 1987
|
Sep 15, 1987
[2]
|
- |
| Estonia |
May 17, 2001
|
May 17, 2001
[2]
|
- |
| Finland |
May 15, 1984
|
May 15, 1984
[2]
|
- |
| France |
Jun 23, 1961
|
Sep 16, 1960
[1]
|
Dec 1, 1959
|
| United Kingdom |
Jun 23, 1961
|
May 31, 1960
[1]
|
Dec 1, 1959
|
| Germany |
Feb 5, 1979
|
Feb 5, 1979
[2]
|
- |
| Greece |
Jan 8, 1987
|
Jan 8, 1987
[2]
|
- |
| Guatemala |
Jul 31, 1991
|
Jul 31, 1991
[2]
|
- |
| Hungary |
Jan 27, 1984
|
Jan 27, 1984
[2]
|
- |
| India |
Aug 19, 1983
|
Aug 19, 1983
[2]
|
- |
| Italy |
Mar 18, 1981
|
Mar 18, 1981
[2]
|
- |
| Japan |
Jun 23, 1961
|
Aug 4, 1960
[1]
|
Dec 1, 1959
|
| Korea, Republic of |
Nov 28, 1986
|
Nov 28, 1986
[2]
|
- |
| Netherlands |
Mar 30, 1967
|
Mar 30, 1967
[2]
|
- |
| Norway |
Jun 23, 1961
|
Aug 24, 1960
[1]
|
Dec 1, 1959
|
| New Zealand |
Jun 23, 1961
|
Nov 1, 1960
[1]
|
Dec 1, 1959
|
| Peru |
Apr 10, 1981
|
Apr 10, 1981
[2]
|
- |
| Papua New Guinea |
Sep 16, 1975
|
Mar 16, 1981
[2]
|
- |
| Poland |
Jun 23, 1961
|
Jun 8, 1961
[2]
|
- |
| Korea, Dem. People's Rep. |
Jan 21, 1987
|
Jan 21, 1987
[2]
|
- |
| Romania |
Sep 15, 1971
|
Sep 15, 1971
[2]
|
- |
| Russian Federation |
Jun 23, 1961
|
Nov 2, 1960
[1]
|
Dec 1, 1959
|
| South Africa |
Jun 23, 1961
|
Jun 21, 1960
[1]
|
Dec 1, 1959
|
| Slovakia |
Jan 1, 1993
|
Jan 1, 1993
[4]
|
- |
| Spain |
Mar 31, 1982
|
Mar 31, 1982
[2]
|
- |
| Sweden |
Apr 24, 1984
|
Apr 24, 1984
[2]
|
- |
| Switzerland |
Nov 15, 1990
|
Nov 15, 1990
[2]
|
- |
| Turkey |
Jan 24, 1996
|
Jan 24, 1996
[1]
|
- |
| Ukraine |
Oct 28, 1992
|
Oct 28, 1992
[2]
|
- |
| Uruguay |
Jan 11, 1980
|
Jan 11, 1980
[2]
|
- |
| United States of America |
Jun 23, 1961
|
Aug 18, 1960
[1]
|
Dec 1, 1959
|
| Venezuela, Boliv. Rep. of |
Mar 24, 1999
|
Mar 24, 1999
[2]
|
- |
| Monaco |
May 31, 2008
|
May 31, 2008
[2]
|
- |
| Belarus |
Dec 27, 2006
|
Dec 27, 2006
[2]
|
- |
| Portugal |
Jan 29, 2010
|
Jan 29, 2010
[1]
|
- |
| Malaysia |
Oct 31, 2011
|
Oct 31, 2011
[2]
|
- |
| Pakistan |
Mar 1, 2012
|
Mar 1, 2012
[2]
|
- |
| Kazakhstan |
Jan 27, 2015
|
Jan 27, 2015
[2]
|
- |
| Mongolia |
Mar 23, 2015
|
Mar 23, 2015
[2]
|
- |
| Iceland |
Oct 13, 2015
|
Oct 13, 2015
[2]
|
- |
* [1] Ratification
[2] Accession/approbation
[3] Acceptance/approval
[4] Succession
[5] Consent to be bound
[6] Definite signature