Communist Unification Party

Communist Unification Party was a political party in Spain. Formed in 1976 through the unification of the two groups Lucha de Clases and Larga Marcha hacia la Revolución Socialista. Later the same year the Communist [Organization Workers Information] Organización Comunista Información Obrera joined the PCU.
PCU promoted abstention in the 1976 Referendum on the Law of [Political Reform, 1976|Referendum on the Law of Political Reform].
In 1977 merged into the Party of Labour of Spain.