Latvia Estonia and Lithuania, and Nordic-Baltic co-operation with the Nordic countries. The Baltic Council is the joint forum of the interparliamentary Baltic Assembly (BA) and the intergovernmental Baltic Council of Ministers (BCM). Nordic-Baltic Eight (NB-8) is the joint co-operation of the governments of Denmark, Estonia, Finland, Iceland, Latvia, Lithuania, Norway, and Sweden. Nordic-Baltic Six (NB-6), comprising Nordic-Baltic countries that are European Union member states, is a framework for meetings on EU-related issues. Interparliamentary co-operation between the Baltic Assembly and Nordic Council was signed in 1992 and since 2006 annual meetings are held as well as regular meetings on other levels. Joint
MS Estonia hull to the surface and the salvage operation, the Swedish government suggested burying the whole ship "in situ" with a shell of concrete. As a preliminary step, thousands of tons of pebbles were dropped on the site. The "Estonia Agreement 1995", a treaty among Sweden, Finland, Estonia, Latvia, Poland, Denmark, Russia and the United Kingdom, declared sanctity over the site, prohibiting their citizens from even approaching the wreck. The treaty is, however, only binding for citizens of the countries that are signatories. At least twice, the Swedish Navy has discovered diving operations at the wreck. The wreck is monitored by