Kammala wannan jumla: Jam'iyyar ta taimaka wa Mossadegh ya kafa National Front, ya mallaki masana'antar mai kuma ya hau mulki. Wasu membobin sun rike mukamai a lokacin gwamnatin Mosaddegh. An dakatar da shi bayan da
Birtaniya da Amurka sun goyi bayan juyin mulki a 1953 kuma an haramta shi a 1957, a kan cewa yana da wata ƙungiya tare da Jam'iyyar Tudeh na Iran shekaru goma da suka wuce. An sake farfado da shi a cikin 1960 kuma ya ba da gudummawa sosai ga National Front (II), wanda aka rushe a cikin 1963 kuma aka tilasta shi ya tsira a asirce. Jam'iyyar Iran ta gudanar da taro a shekarar 1964. Ba a san abubuwa da yawa game da ayyukan jam'iyyar tsakanin 1964 da tsakiyar shekarun 1970 ba sai dai wasu tarurruka marasa tsari da musayar ra'ayoyi. A cikin 1977, tare da League of Socialists da Nation Party sun sake farfado da National Front (IV) kuma sun bukaci Ruhollah Khomeini ya koma Iran. A farkon shekarar 1979, sannan babban sakataren jam'iyyar, Shapour Bakhtiar ya nada shi a matsayin Firayim Minista na karshe da Shah kuma ya hada da mambobi biyu na Jam'iyyar Iran a cikin majalisar ministocinsa. Jam'iyyar duk da haka ta yi watsi da karɓar mukamin, ta kore shi kuma ta kira shi "mai cin amana". Jam'iyyar ba ta taka muhimmiyar rawa a fagen siyasar Iran ba bayan 1979 kuma ba da daɗewa ba aka ayyana haramtacciya.