“…31.3.c VCLT, it reformulates its wording as including, besides "rules", also "principles" of international law. 38 However, this approach is only suitable for application to synallagmatic treaties not establishing obligations erga omnes partes , and thus not to human rights treaties, 39 since otherwise the applicable standard of protection would vary from one party to another, depending on their respective commitment to other treaties. WT/DS58/AB/R, United States -Import Prohibition of Certain Shrimp and Shrimp Products , para.…”