MFN Clauses and International Dispute Settlement: Moving beyond Maffezini and Plama?

Non-Discrimination in International Law and Sovereign Equality of States: An Historical Perspective

“…123 While identical conventional and customary rules could coexist in principle, 124 In the case of non-discrimination in international trade, there is no opinio juris to support the granting of MFN or National Treatment without an international treaty. 126 Both MFN 127 and National Treatment 128 are purely treaty-based obligations, and thus both derive their binding force from the treaty which embodies them. Article 7 of the ILC Draft Articles on MFN clearly provides that "no State is entitled to most-favoured-nation treatment by another State unless that State has undertaken an international obligation to accord such treatment."…”

Consolidando la política de inversiones por medio de la Cláusula de Nación más Favorecida en los Tratados Internacionales de Inversión

“…La CNMF es considerada como uno de los pilares del derecho comercial internacional (Dolzer y Schreuer, 2012: 207). Aun cuando no forma parte del derecho internacional consuetudinario (Dolzer y Schreuer, 2012;Paparinskis, 2013;Acconci, 2005), sino que corresponde a una obligación que debe figurar en los Tratados para poder ser invocada (UNCTAD, 2010), y precisamente por eso, se considera fundamental, entre otras razones, pues permite evitar la discriminación en el tráfico entre distintos Estados.…”