He was deputy manager (1972-1974) and manager (1974-1975) of the Propaganda Department of the Warsaw Committee of the Polish United Workers' Party, from 1975 he was a member of the executive of the Warsaw Committee of the Polish United Workers' Party.
[1] In the years 1986–1990 he was a member of the Central Control and Audit Commission of the Polish United Workers' Party.
In 1987, during Jerzy Bolesławski's term, Warsaw received the "Medal of the International Year of Peace" from the United Nations.
A year earlier, in 1988, Bolesławski visited, among others, Düsseldorf, where he opened an exhibition devoted to Warsaw and held talks on cultural and infrastructural cooperation.
[3] During his term, Jerzy Bolesławski also held negotiations with representatives of the Ministry of Housing and Spatial Planning of Sweden, in order to acquire new partners for the construction of, at that time, innovative waste treatment plant.