 14 Law of 21 November 1967 on the universal duty to defend the Polish Republic).The district command headquarters was at Torun (1945–1946), Bydgoszcz, Gdańsk, Koszalin, and then at Bydgoszcz.From 1947 to 2007 1 Gen. J. Dwernicki Street, from 2007 to December 2011 105th Szubinska Street.