 The office made sure that the formation of the local councils would not be perceived by the Poles as an attempt at sovietization.Also, the Bureau was in charge of filling the posts in the ZPP, the First Polish Army Corps in the USSR, and then in the Polish Army in the USSR.It led the search and record of Polish communists in the USSR, established the Polish Communist Partisan Staff, co-decided on the composition of the Polish National Liberation Committee and the content of the PKWN manifesto.