Bilateral Agreement between the Russian Federation and the Republic of Lithuania regarding Russian-Lithuanian state border

The Parties have agreed as follows : 1) State border is intended the line and vertical surface passing along this line dividing the territory on land, on water surface, on subsoil and airspace. 2) Any natural change of the course of the border rivers and shoreline of the reservoirs does not entail the change of the borderline determined by the present agreement if the Parties will not agree otherwise. 3) State border on bridges, dams and other waterworks situated on rivers, streams, lakes and other water courses shall pass in the middle of the aforesaid waterworks or their technological axes irrespectively of the delimitation of state border on water surface. 4) The issues of the exploitation of the waterworks and engineering infrastructure are regulated by separate agreements. 5) The issues regarding conservation of the stock of fish and environmental protection are regulated by separate agreements.