Rubuta ci gaba ga wannan sakin layi - Bayan juyin juya halin Oktoba, bambance-bambance sun bayyana a cikin jam'iyyar. A cikin 1921, jam'iyyar ta fitar da "Tsarin Jam'iyyar Social Democratic Labour Party ta Rasha", tana kira da a kawar da mulkin mallaka na Jam'iyyar Kwaminis, wanda aka gano a matsayin wani abu da ya bambanta da mulkin kama karya na proletariat, keɓance manyan bangarorin masana'antu da kuma ba da cikakken 'yancin jefa kuri'a ga manoma da waɗanda gwamnatin Soviet ta bi da su a matsayin ajin bourgeois. Daga farkon 1921 bayan murkushewa na Kronstadt garrison tawaye
, Babban Taron Jam'iyyar Kwaminis na 10 da gabatar da Sabuwar Manufofin Tattalin Arziki (NEP) da kuma kawo karshen kwace hatsi daga manoma, an tilasta wa Jam'iyyar Social Democratic Labour Party ta Rasha yin aiki a karkashin kasa a cikin Soviet Rasha da Tarayyar Soviet kuma a bayyane kawai a gudun hijira a Turai da Arewacin Amurka. An kafa Ofishin Jakadancin Kasashen waje na jam'iyyar a cikin 1920 kuma da farko yana cikin Berlin (har zuwa 1933), sannan ya koma Paris kuma a 1940 ya koma Birnin New York. A cikin gudun hijira, jam'iyyar ta ƙunshi ƙananan ƙungiyoyi a Geneva, Liège, Berlin, Paris, Bern da New York City. Martov da Abramovich sun jagoranci Ofishin Jakadancin Kasashen waje har zuwa 1923, lokacin da Fyodor Dan da Abramovich suka jagoranci. Aron Jugov shi ne sakataren wakilan kasashen waje.