| Country | Action | Action Date | Effective Date |
|---|
| AUSTRIA | Declaration | 09/11/2004 | 01/01/1900 |
| AUSTRIA | Ratification | 30/08/2010 | 28/11/2010 |
| BELARUS | Accession | 26/03/2008 | 24/06/2008 |
| BOSNIA AND HERZEGOVINA | Accession | 10/03/2008 | 08/06/2008 |
| BULGARIA | Accession | 28/04/1999 | 27/07/1999 |
| CROATIA | Signature | 23/06/1997 | |
| CROATIA | Acceptance | 27/04/1999 | 26/07/1999 |
| CZECH REPUBLIC | Signature | 23/06/1997 | |
| CZECH REPUBLIC | Acceptance | 08/08/1997 | |
| FINLAND | Signature | 23/06/1997 | |
| GERMANY | Signature | 23/06/1997 | |
| HUNGARY | Signature | 23/06/1997 | |
| HUNGARY | Ratification | 22/10/1997 | |
| ITALY | Ratification | 04/04/2000 | 03/07/2000 |
| LITHUANIA | Signature | 25/06/1997 | |
| LITHUANIA | Ratification | 28/04/2000 | 27/07/2000 |
| LUXEMBOURG | Signature | 20/01/1997 | |
| LUXEMBOURG | Ratification | 29/06/1999 | 27/09/1999 |
| MOLDOVA REPUBLIC OF | Signature | 23/06/1997 | |
| MOLDOVA REPUBLIC OF | Ratification | 23/03/1998 | |
| NETHERLANDS THE | Signature | 23/06/1997 | |
| NETHERLANDS THE | Acceptance | 21/04/1998 | |
| ROMANIA | Signature | 23/06/1997 | |
| ROMANIA | Ratification | 24/02/1999 | |
| RUSSIAN FEDERATION | Approval | 31/05/2002 | 29/08/2002 |
| SERBIA | Accession | 10/01/2014 | 10/04/2014 |
| SLOVAK REPUBLIC | Signature | 23/06/1997 | |
| SLOVAK REPUBLIC | Approval | 02/02/1998 | |
| SWITZERLAND | Signature | 23/06/1997 | |
| SWITZERLAND | Ratification | 21/08/1997 | |
| UKRAINE | Accession | 05/01/2010 | 05/04/2010 |