Liechtenstein
| Signed | Ratified | Deposited | Entered into force |
Energy Charter | 17 December 1991 | n/a | n/a | n/a |
Energy Charter Treaty | 17 December 1994 | 03 December 1997 | 12 December 1997 | 16 April 1998 |
PEEREA | 17 December 1994 | 03 December 1997 | 12 December 1997 | 16 April 1998 |
Trade Amendment | n/a | 23 February 2004 | 19 April 2006 | 21 January 2010 |