security.

The article clarifies the issue of legal regulation of financial relations during martial law in Ukraine. Changes in the powers of the Cabinet of Ministers of Ukraine, the Minister of Finance of Ukraine, the State Treasury Service of Ukraine, the National Bank of Ukraine, the Supreme Commander-in-Chief of the Armed Forces of Ukraine, military administrations, and local bodies during this period were considered.

The article clarifies the key features of the implementation of projects within the framework of PESCO and their prospects, taking into account the coronavirus pandemic and the fact that the Russian-Ukrainian war since 2014 has gone beyond the regional framework and affected the foundations of international and European security. It also analyzes the PESCO Strategic Review 2020 and the guidelines for the PESCO next phase (2021–2025) in terms of overall purpose, key policy objectives, processes, and incentives to improve the implementation of more pressing commitments.