The Bureau of Information and Propaganda of the Headquarters of Związek Walki Zbrojnej, later of Armia Krajowa () - in short: BIP) a conspiracy department created in spring 1940 during the German occupation of Poland, inside the Związek Walki Zbrojnej, then of the Supreme Command of Armia Krajowa (as 6th Department). Initially, its commander was major Tadeusz Kruk-Strzelecki, then colonel Jan Rzepecki pseudonym "Wolski" or "Prezes". Until the end of 1940 his deputy was Hipolit Niepokólczycki, while since 1944 until January 1945 captain Kazimierz Moczarski.