Helsinki Convention on the Protection of the Marine Environment of the Baltic Sea Area Finland, Germany, Latvia, Lithuania, Poland, Russia and Sweden. The Convention on the Protection of the Marine Environment of the Baltic Sea Area, 1992, entered into force on 17 January 2000. The States-Parties to the Convention agreed individually or jointly to take all appropriate legislative, administrative or other relevant measures to prevent and eliminate pollution in order to promote the ecological restoration of the Baltic Sea Area and the preservation of its ecological balance. The Parties undertake to apply: The aim of the States-Parties to the Convention is to prevent and eliminate pollution of the marine environment of the Baltic Sea
Visa history of Russia the establishment of local border traffic zones within , and in exceptional cases , from the border. Russia has signed such agreements with Latvia, Poland, and Norway. The agreement between Russia and Poland was suspended indefinitely from 4 July 2016. Latvia. On 6 June 2013, such a local border zone agreement took effect. Residents of border areas must obtain a special permit. The total period of stay in the border area of the state can not exceed 90 days within any 6-month period. Poland. An agreement was signed on 14 December 2011, and took effect on 27 July 2012. It