2004 – 2013
| Geneva, 17-27.09.2013 | see UNECE Website |
| Berne, 18-22.03.2013 | see UNECE Website |
| Geneva, 17-21.09.2012 | see UNECE Website |
| Berne, 13-23.03.2012 | see UNECE Website |
| Geneva, 13-23.09.2010 | see UNECE Website |
| Berne, 21-25.03.2010 | see UNECE Website |
| Geneva, 13-17.09.2010 | see UNECE Website WP.15/AC.1 Informal documents 2010 |
| Berne, 22-26.03.2010 | see UNECE Website WP.15/AC.1 Informal documents 2010 |
| Berne, 8-11.09.2009 | see UNECE Website WP.15/AC.1 Informal documents 2009 |
| Geneva, 23-26.03.2009 | see UNECE Website WP.15/AC.1 Informal documents 2009 |
| Geneva, 15-18.09.2008 | see UNECE Website WP.15/AC.1 Informal documents 2008 |
| Berne, 25-28.03.2008 | see UNECE Website WP.15/AC.1 Informal documents 2008 |
| Geneva, 11-21.09.2007 | see UNECE Website WP.15/AC.1 Informal documents 2007 |
| Berne, 26-30.03.2007 | see UNECE Website WP.15/AC.1 Informal documents 2007 |
| Geneva, 11-15.09.2006 | see UNECE Website WP.15/AC.1 Informal documents 2006 |
| Berne, 20-23.03.2006 | see UNECE Website WP.15/AC.1 Informal documents 2006 |
| Geneva, 13-23.09.2005 | see UNECE Website WP.15/AC.1 Informal documents 2005 |
| Berne, 7-11.03.2005 | see UNECE Website WP.15/AC.1 Informal documents 2005 |
| Geneva, 13-17.09.2004 | see UNECE Website WP.15/AC.1 Informal documents 2004 |