| Contracting Parties/Signatories | Signature | Instrument | In Force | Details |
|---|---|---|---|---|
| Hong Kong, China | June 21, 2011 | October 1, 2012 | ||
| Iceland | June 21, 2011 | October 1, 2012 | ||
| Liechtenstein | June 21, 2011 | October 1, 2012 | ||
| Norway | June 21, 2011 | November 1, 2012 | ||
| Switzerland | June 21, 2011 | October 1, 2012 |