The purpose of the party was to unify the non-communist left and, within the framework of the Second Czechoslovak Republic, to function as a democratic opposition against the authoritarian tendencies of the Party of National Unity, which constituted the government.
[1] An identically named party (Národní strana práce) had previously existed in Czechoslovakia from 1925 to 1930.
The National Labour Party was forced to disband in late March 1939, after the liquidation of Czechoslovakia as an independent state.
38 members of the Chamber of Deputies of Czechoslovakia belonged to the National Labour Party.
These were Ján Bečko, Rudolf Bechyně, Ferdinand Benda, Karel Brožík, Ivan Dérer, František Dlouhý, Josef Ešner, Antonín Hampl, Jaroslav Hladký, Rudolf Chalupa, Václav Jaša, Marie Jurnečková-Vorlová, Robert Klein, Josef Kopasz, Jan Blahoslav Kozák, Felix Kučera, Jaroslav Kučera, Alois Langer, Bohumil Laušman, Josef Macek, Josef Mareš, Ivan Markovič, Alfréd Meissner, Karel Moudrý, Jaromír Nečas, František Němec, František Neumeister, František Nový, Josef Patejdl, Luděk Pik, Jakub Polach, Antonín Remeš, Ferdinand Richter, Antonín Srba, Josef Stivín, Rudolf Tayerle, František Tymeš and Leopold Vaverka.