After the selection of representatives for povits (counties) and cities, and for establishment national minorities who had not used this right, the whole Council had 150 members.
The body had been planned to have 226 members, with seats allocated in proportion to each group's percentage of the total number of citizens (Ukrainian – 160, Poles – 33, Jews – 27, Germans – 6).
UNRada had the legislative competence of a parliament and controlled the ZUNR, before the creation of the State Secretariat as a government.
The party composition to UNRada Board included 6 representatives of UNDP, 2 of Social Democrats and 2 Radicals (Lev Bachynskyi and Hryts Duvirak) who had the opportunity to appoint senior executives of state bodies to pass laws and take part in the approval of the government, which was formed on 4 February 1919.
Before the transfer of power ZUNR and UGA for Zbruch UNRada Board and the State Secretariat joint resolution of 9 June 1919 temporarily handed over his constitutional powers of the President Yevhen Petrushevych as "authorized dictator" who had full military and civilian executive to convene the UNRada plenum.