Rubuta ci gaba don wannan sakin layi - Ci gaba da kasancewa mai aiki a cikin Jam'iyyar Labour, Lamont ya zama fitaccen mai fafutuka kan batutuwan da suka shafi adalci, daidaito da rarrabawa. Duk da cewa ta kada kuri'a a zaben raba gardama na shekarar 1979
wanda ya ba da shawarar kafa Majalisar Scottish, a lokacin 1980s da 1990s ta kasance wakili a kan Yarjejeniyar Tsarin Mulki na Scottish, jikin da ya share fagen Scottish. Daga nata shawarar ta 1979, Lamont ta ce ta "zo daga ɓangaren hagu wanda ya ga siyasar kishin ƙasa a matsayin karkatarwa daga manyan manufofi [amma daga baya] ya zo ya ga majalisa a matsayin abin hawa don canjin dimokiradiyya a Scotland". Ta kasance memba na Kwamitin Zartarwa na Scotland na Jam'iyyar Labour, tana aiki a matsayin shugaban a 1993.