In the midst of heated debates on investor-State dispute settlement in Europe, on 10 December 2014 the United Nations General Assembly adopted the United Nations Convention on Transparency in Treaty-based Investor-State Arbitration. Prepared by UNCITRAL in the context of its recent revision of the UNCITRAL Arbitration Rules, the Convention, also known as the ‘Mauritius Convention on Transparency’, was opened for signature on 17 March 2015 in Port Louis, Mauritius. Canada, Finland, France, Germany, Mauritius, Sweden, the United Kingdom and the United States signed the Convention at this occasion (see UN Press Release). In my Editorial in the latest issue of the Journal of World Investment and Trade (which this blog reproduces), I interpret this Convention as a piece of constitutional reform of the international investment regime and ask to which extent it can serve as a model for international investment law reform more generally.
A Piece of Constitutional Reform of the International Investment Regime
The Mauritius Convention will extend the application of the UNCITRAL Rules on Transparency, which so far have a very limited scope of application (only to UNCITRAL investor-State arbitrations that are based on treaties concluded on or after 1 April 2014), potentially to the entire treaty-based international investment regime as it stood on 1 April 2014. Notably, it would make the UNCITRAL Transparency Rules applicable to all treaty-based investor-State arbitrations under ‘old’ treaties, independently of the applicable arbitration rules. Whether the arbitration in question is governed by the UNCITRAL Arbitration Rules, the ICSID Convention, the Arbitration Rules of the International Chamber of Commerce, the Arbitration Rules of the Arbitration Institute of the Stockholm Chamber of Commerce – you name it – the Mauritius Convention would provide for transparency of submissions to arbitral tribunals, arbitration hearings, and decisions by arbitral tribunals, and give more room for third-party participation under a uniform set of rules. It could thus apply to some 3000+ investment treaty relations if both the respondent State and the investor’s home State are contracting parties or, alternatively, if the investor-claimant accepts the unilateral offer to apply the UNCITRAL Transparency Rules made by the respondent in signing the Convention (see Article 2 of the Mauritius Convention).
Provided it is signed and ratified by a sufficiently large number of States and regional economic integration organizations, such as the EU or ASEAN, the Mauritius Convention will bring about a paradigm shift in investor-State dispute settlement. Although possibilities for reservations, including subsequent ones, are broad (Articles 3 and 4 of the Mauritius Convention), and although ongoing arbitrations are excluded from its scope of application (Article 5 of the Mauritius Convention), the Convention will establish transparency as a general principle of international investment law.
This constitutes another step in the incremental adaptation of international investment law to the demands of a more democratic and accountable international public law system of private-public adjudication. The wide-spread application of transparency under the Convention would not only enhance the accountability of the underlying investor-State relations, but also enable better public control of the arbitral process. This turns the Mauritius Convention into an instrument with constitutional implications for the international investment regime. Read the rest of this entry…