1 Convention du 18 mars 1965 pour le règlement des différends relatifs aux investissements entre Etats et ressortissants d’autres Etats (RS 0.975.2) 2 SEBASTIEN MANCIAUX, Investissements étrangers et arbitrage entre Etats et ressortissants d’autres Etats, 2004, p. 136. 3 ICSID Review, 1999, p. 251ss. 4 «For the purpose of the Convention, a mixed economy company or government-owned company corporation should not be disqualified as a «national of another Contracting State» unless it is acting as an agent for the government or is discharging an essentially governmental function» (CIRDI/ICSID Review, 1999, p.258).