During its 20th congress on December 19–20, the CPL separated itself from the Communist Party of the Soviet Union (CPSU) by a vote of 855 to 160.
Selama kongres ke-20 partai pada 19-20 Desember, CPL memisahkan dirinya dari Partai Komunis Uni Soviet (CPSU), melalui voting 855 suara melawan 160 suara.