Participating States
Members of The OSCE
| Country | Date | Country | Date |
 Andorra | 1996-04-25 |  Luxemburg | |
 Armenia | 1992-01-30 |  Macedonia | |
 Austria | 1973-06-25 |  Malta | 1973-06-25 |
 Azerbaijan | 1992-01-30 |  Moldova | 1992-01-30 |
 Belarus | 1992-01-30 |  Moldova | |
 Belgium | 1973-06-25 |  Monaco | |
 Bosnia and Herzegovina | 1992-04-30 |  Montenegro | 2006-06-22 |
 Bulgaria | 1973-06-25 |  Norway | |
 Canada | 1973-06-25 |  Portugal | |
 Croatia |  Romania | ||
 Cyprus |  Russian Federation | ||
 Denmark |  San Marino | 1973-06-25 | |
 Finland |  Serbia | 1973-06-25 | |
 France | 1973-06-25 |  Slovakia | |
 Georgia | 1992-03-24 |  Slovenia | |
 Germany | 1973-06-25 |  Spain | 1973-06-25 |
 Great Britain | 1973-06-25 |  Sweden | |
 Greece |  Switzerland | ||
 Hungary |  Tadjikistan | ||
 Iceland | 1973-06-25 |  The Holy See | |
 Ireland |  The Netherlands | ||
 Italy |  Turkey | 1973-06-25 | |
 Kazakhstan | 1992-01-30 |  Turkmenistan | 1992-01-30 |
 Kyrgyzstan |  Ukraine | ||
 Latvia |  United States of America | ||
 Liechtenstein |  Uzbekistan | ||
 Lithuania |
