Convention on civil liability for damage resulting from activities dangerous to the environment (June 21, 1993) Countries/Territories Entry into force Simple signature Reservation Cyprus - Jun 21, 1993 - Finland - Jun 21, 1993 - Greece - Jun 21, 1993 - Iceland - Jun 21, 1993 - Italy - Jun 21, 1993 - Liechtenstein - Jun 21, 1993 - Luxembourg - Jun 22, 1993 - Netherlands - Jun 21, 1993 - Portugal - Mar 6, 1997 Mar 6, 1997