| Contracting Parties/Signatories | Signature | Instrument | In Force | Details |
|---|---|---|---|---|
| Iceland | November 14, 2011 | October 1, 2012 | ||
| Liechtenstein | November 14, 2011 | September 1, 2012 | ||
| Montenegro | November 14, 2011 | September 1, 2012 | ||
| Norway | November 14, 2011 | November 1, 2012 | ||
| Switzerland | November 14, 2011 | September 1, 2012 |