During World War II, the UPR government was not active, but Andrii Livytsky was signing documents as the head of the Directorate.

After the beginning of the World War II Taras Bulba-Borovets, with the support of the President of the Ukrainian People's Republic in exile Andrii Livytskyi, crossed the German-Soviet border and started organizing UPA military units subordinate to the UPR Government.

Due to the demands of the Germans to obey their orders, the civil administration in Olevsk was disbanded, and guerrilla warfare activated.

DC of UPR fulfilled its purpose, writing bright pages in the history of the Ukrainian people.

On 20 November 1929 US government issued a bill providing for appointment of a diplomatic representative to the Ukrainian People's Republic (S.

Initially, there were Ukrainian diplomatic missions in certain countries: K. Matsievych – in Romania, A. Livytskyi – in Poland, M. Slovinskyi – in Czechoslovakia, R. Smal-Stotskyi – in Germany, M. Vasylko – in Switzerland, V. Murskyi – in Turkey, O. Shulhyn – in France, and so on.

He maintained close contacts with the pan-European movement, advocating for the idea of Ukraine's belonging to the European community.

He condemned the policy of Germany, France, Italy and Great Britain in dealing with the Carpathian Ukraine's issue.

In September 1939 in Paris, the UPR government led by V. Prokopovych declared its solidarity with Western democracies, condemning the totalitarian regimes in Nazi Germany and the USSR.

A separate area of work of the UPR government was the organization of cooperation between the "sub-Soviet" peoples – Prometheism, in which not only Ukrainians, but also representatives of the Caucasus, Don, Kuban, Crimea, Turkestan regions participated.

On September 1, 1939, the UPR government in exile, led by V. Prokopovych, declared war on Nazi Germany.

Government of the UPR in exile, elected at the tenth session of the Ukrainian People's Republic in 1989:[10] In exile, the State Center existed without a legislative body – only for a short period of time in 1921 the Republic's Council, a representative body of the UPR consisting of party delegates, professional and cultural organizations, was established in Tarnów.