Additional protocol
to the Agreement between
the Republic of Finland and
the Union of Soviet Socialist Republics
concerning the lease to
the Republic of Finland
of the part of Saimaa canal belonging to
the Soviet Union and Maly Vysotsky Island,
signed at Moscow, on 27 September 1962

The President of the Republic of Finland and the Presidium of the Supreme Soviet Union of Soviet Socialist Republics,
Considering that the Agreement between the Republic of Finland and the Union of Soviet Socialist Republics concerning the lease to the Republic of Finland of the Soviet part of the Saimaa Canal and Maly Vysotsky Island constitutes an important contribution to the cause of friendly and good-neighbourly Finnish-Soviet relations,
Considering the desire of the Republic of Finland to straighten the course of the Saimaa Canal in the area of Nuijamaanjärvi Lake,
Have decided to conclude this Protocol and to that end have appointed as their plenipotentiaries:
The President of the Republic of Finland – Urho Kiukas, Plenipotentiary of the Republic of Finland for the Saimaa Canal,
The Presidium of the Supreme Soviet of the Union of Soviet Socialist Republics – G.Y.Pyasetsky, Plenipotentiary of the USSR for the Saimaa Canal,
who, having exchanged their full powers, found in good and due form, have agreed as follows:

Article 1

The Union of Soviet Socialist Republics, in compliance with the wishes of the Republic of Finland and subject to the amendment of article 1 of the Agreement of 27 September 1962 concerning the lease to the Republic of Finland of the Soviet part of the Saimaa Canal and Maly Vysotsky Island, agrees to establish a new boundary line for the territory leased to the Republic of Finland by the Union of Soviet Socialist Republics in the area of Nuijamaanjärvi Lake, and shall lease to the Republic of Finland, under the lease arrangement referred to in article 1 of the Agreement, a five-hectare water area belonging to the Soviet Union in Nuijamaanjärvi Lake to the north of Storozhevik Island and part of the Brusnichnoe (Juustila)-Nuijamaa road as far as the State frontier togethe with the territory adjoining the road to a width of thirty metres on both sides.

The Republic of Finland, for its part, shall renounce the lease on an eight-hectare land area which adjoins the State frontier to the west of the road running from the State frontier along Nuijamaanjärvi Lake, and a 24.5 hectare water area extending from Storozhevik Island to the north-western part of Nuijamaanjärvi Lake, the said areas having been leased by the Union of Soviet Socialist Republics to the Republic of Finland under the Agreement between the Republic of Finland and the USSR of 27 September 1962.

The boundaries of the land areas and water areas referred to in this article are shown on the attached map, which constitutes an integral part of this Protocol.

Article 2

The boundaries of the leased territories modified by this Protocol shall be determined by a field survey to be carried out as soon as possible by the existing Mixed Finnish-Soviet Commission set up to determine the boundaries of the territories leased to Finland by the Union of Soviet Socialist Republics under the Agreement of 27 September 1962.

Expenses connected with the execution of the above-mentioned operations shall be apportioned equally between the Contracting Parties.

Article 3

This Protocol shall be subject to ratification and shall come into force on the date of the exchange of the instruments of ratification, which shall take place in Moscow.

This Protocol shall constitute an integral part of the Agreement between the Republic of Finland and the Union of Soviet Socialist Republics concerning the lease to the Republic of Finland of the Soviet part of the Saimaa Canal and Maly Vysotsky Island, and shall remain in force throughout the period of operation of the said Agreement.

Done at Helsinki on 11 August 1964, in duplicate, in the Finnish and Russian languages, both texts being equally authentic.

For the President of the Republic of Finland:
Urho Kiukas

For the Presidium of the Supreme Soviet of the Union of Soviet Socialist Republics:
G.Pyasetsky