After the end of World War II and the beginning of the Soviet domination in Poland , the bank took care of international financial operations conducted by the authorities of the newly established Polish People's Republic.
Kadib dhammaadkii Dagaalkii Labaad ee Adduunka iyo bilowgii xukunkii Soofiyeeti ee Poland, bangiga wuxuu la wareegay mas'uuliyadda hawlgallada maaliyadeed ee dibedda ee ay fuliyeen mas'uuliyiinta Jamhuuriyadda Dadka cusub ee Poland.