| Countries/Territories |
Entry into force |
Ratification * |
Simple signature |
| Austria |
Sep 29, 1997
|
Aug 23, 1994
[1]
|
Nov 19, 1991
|
| Belgium |
Feb 6, 2001
|
Nov 8, 2000
[1]
|
Nov 19, 1991
|
| Bulgaria |
May 27, 1998
|
Feb 27, 1998
[1]
|
Nov 19, 1991
|
| Canada |
- |
- |
Nov 19, 1991
|
| Czech Republic |
Sep 29, 1997
|
Jul 1, 1997
[2]
|
- |
| Denmark |
Sep 29, 1997
|
May 21, 1996
[3]
|
Nov 19, 1991
|
| Estonia |
Jun 7, 2000
|
Mar 7, 2000
[2]
|
- |
| European Union |
- |
- |
Apr 2, 1992
|
| Finland |
Sep 29, 1997
|
Jan 11, 1994
[3]
|
Nov 19, 1991
|
| France |
Sep 29, 1997
|
Jun 12, 1997
[3]
|
Nov 19, 1991
|
| Germany |
Sep 29, 1997
|
Dec 8, 1994
[1]
|
Nov 19, 1991
|
| Greece |
- |
- |
Nov 19, 1991
|
| Hungary |
Sep 29, 1997
|
Nov 10, 1995
[1]
|
Nov 19, 1991
|
| Italy |
Sep 29, 1997
|
Jun 30, 1995
[1]
|
Nov 19, 1991
|
| Liechtenstein |
Sep 29, 1997
|
Mar 24, 1994
[1]
|
Nov 19, 1991
|
| Luxembourg |
Sep 29, 1997
|
Nov 11, 1993
[1]
|
Nov 19, 1991
|
| Monaco |
Oct 26, 2001
|
Jul 26, 2001
[2]
|
- |
| Netherlands |
Sep 29, 1997
|
Sep 29, 1993
[3]
|
Nov 19, 1991
|
| Norway |
Sep 29, 1997
|
Jan 7, 1993
[1]
|
Nov 19, 1991
|
| Portugal |
- |
- |
Apr 2, 1992
|
| Slovakia |
Mar 15, 2000
|
Dec 15, 1999
[2]
|
- |
| Spain |
Sep 29, 1997
|
Feb 1, 1994
[1]
|
Nov 19, 1991
|
| Sweden |
Sep 29, 1997
|
Jan 8, 1993
[1]
|
Nov 19, 1991
|
| Switzerland |
Sep 29, 1997
|
Mar 21, 1994
[1]
|
Nov 19, 1991
|
| Ukraine |
- |
- |
Nov 19, 1991
|
| United Kingdom |
Sep 29, 1997
|
Jun 14, 1994
[1]
|
Nov 19, 1991
|
| United States of America |
- |
- |
Nov 19, 1991
|
| Lithuania |
Aug 22, 2007
|
May 22, 2007
[2]
|
- |
| Croatia |
Jun 3, 2008
|
Mar 3, 2008
[2]
|
- |
| North Macedonia |
Jun 10, 2010
|
Mar 10, 2010
[2]
|
- |
* [1] Ratification
[2] Accession/approbation
[3] Acceptance/approval
[4] Succession
[5] Consent to be bound
[6] Definite signature