“We call for the isolation of the aggressor state, not to resume the dialogue and not to legitimize the Russian regime. Article IV (obligations regarding exchange arrangements) of the IMF agreement and any other formal reasons cannot be a prerequisite for working in Russia,” Marchenko wrote on Facebook on Sept. 11. Pyshnyi, for his part, added that the consequences of such cooperation would “go against the global agenda” and send the wrong message to both Russia and other countries, as well as “legitimize all the losses caused to Ukraine.” On Sept. 3, Reuters reported, citing IMF Executive Dir…