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1. This Convention applies to arbitration between an investor and a State or a regional economic integration organization conducted on the basis of an investment treaty concluded before 1 April 2014 (“investor-State arbitration”).
2. The term “investment treaty” means any bilateral or multilateral treaty, including any treaty commonly referred to as a free trade agreement, economic integration agreement, trade and investment framework or cooperation agreement, or bilateral investment treaty, which contains provisions on the protection of investments or investors and a right for investors to resort to arbitration against contracting parties to that investment treaty.