Japan
| Signed | Ratified | Deposited | Entered into force |
Energy Charter | 17 December 1991 | n/a | n/a | n/a |
Energy Charter Treaty | 16 June 1995 | 23 July 2002 | 23 July 2002 | 21 October 2002 |
PEEREA | 16 June 1995 | 25 October 2002 | 07 November 2002 | 06 December 2002 |
Trade Amendment | n/a | X | X | n/a |