It is in Estonia’s national interest to enter into a border treaty with Russia.
A grey area on our eastern border is just like an open invitation for provocations, as we unfortunately experienced in 2014 when Eston Kohver was abducted. At the same time, it is clear that the border treaty will enter into force only when both parties are willing and prepared to execute it. Estonia has shown itself to be ready, but the Riigikogu will take a final vote on the matter only if the Duma does the same.
Estonia has not made any concessions of principle in negotiating the border treaties with Russia, if you do not count the changes to the political map of Europe caused by World War II. We must remember that Finland, which was at war with the Soviet Union, had to give up more than 10% of its pre-war territory to maintain its independence.
The Estonian Constitutional Assembly in 1992 prescribed that Section 122 of the Constitution, specifying the position of the state border, should be worded so that the line of the state border determined after the Tartu Peace Treaty could be adjusted without breaching the constitution. This is why successive Chancellors of Justice Erik-Juhan Truuväli, Allar Jõks, Indrek Teder and Ülle Madise have all confirmed that the border treaties comply with the constitution.
The principle of legal continuity was especially important during the previous border negotiations that started in October 2012. Since the border treaty signed in 2005 could be interpreted in too many ways in view of legal continuity, Estonia had the treaties amended with an additional clause. Professor Lauri Mälksoo proposed that a clause be added to the effect that the treaty was concerned only with the state border, which would hinder any interpretations that might clash with the will and Constitution of the Republic of Estonia.
The current Chancellor of Justice, Ülle Madise, thinks that the border treaty is in compliance with the constitution. She considers that subsection 122 (1) allows Estonia to enter into other interstate border treaties that may change the line of the state border established by the Tartu Peace Treaty. The Chancellor of Justice also noted that, according to the constitution, a treaty that changes the line of the state border does not need to be put to a vote in a referendum; a two-thirds majority vote of the Riigikogu is sufficient for the treaty to enter into force. Neither does the Chancellor of Justice think that changing the line of the state border damages the state’s legal continuity—the Tartu Peace Treaty is consequentially amended only in relation to the state border.
The Tartu Peace Treaty continues to be one of the bases of our state’s independence, first and foremost in the sense of Article 2 (Russia’s acknowledgement of Estonian sovereignty). To paraphrase Lennart Meri, international law is the nuclear weapon of small states. That is why it is especially important that the state border we share with Russia should be defined pursuant to international law and based on a mutually acknowledged treaty.