Kammala jumla mai zuwa: An nada shi Ministan Kudi a watan Satumbar 1936 a gwamnatin Francisco Largo Caballero. A matsayinsa na ministan kudi, ya gina "Carabineros" (masu tsaron kwastam), wani karfi na maza 20,000 wanda daga baya aka yi wa lakabi da "Hundred Thousand Sons of Negrín" (abin da ake nufi da 'yan kwaminisanci na Negrín).
Dubu ɗari na 'Ya'yan Saint Louis), don dawo da ikon kula da iyakokin Faransa, wanda Confederación Nacional del Trabajo (CNT) ta kwace. Ya yanke shawara mai rikitarwa don canja wurin ajiyar zinari na Spain zuwa Tarayyar Soviet don musayar makamai don ci gaba da yakin (Oktoba 1936). Darajar dala miliyan 500 a lokacin (an sake aika da dala miliyan 240 zuwa Faransa a watan Yuli), masu sukar sun yi jayayya cewa wannan matakin ya sanya gwamnatin Jamhuriyar Republican karkashin ikon Joseph Stalin.