[2][3] The founding congress elected a Central Committee, whose secretary was Juozas Greifenbergeris [lt] (who remained at the helm of the organization throughout its existence).
[2] In 1920 clandestine cells were created in Marijampolė, Vilkaviškis, Panevėžys, Šiauliai, Joniškis, Jonava, Dotnuva and Ukmergė.
[2] In Minsk organizers in the underground included Vorobyov (Central Committee member), Zaidenvar ('Zucker'), Savchik, Zak and Proshchitsky.
[8] Other active underground cells of the organization existed in Bobruisk, Slutsk, Grodno and other locations under Polish occupation.
[2] Members of the Lithuanian Central Bureau included, at different stages, Greifenbergeris, Rapolas Čarnas [lt], Aizik Lifshits, Antanas Stasiūnas, Eugenija Tautkaitė, Jonas Žagas and Leiba Šapira.
[2] The organization began publishing the Russian language periodical Fakel kommunizma [lt] ('Torch of Communism') on March 2, 1919.