Martsinkiv R. Legal basis for the establishment and activities of the Security Service of the Organization of Ukrainian Nationalists.

The dissertation is devoted to research of legal bases of the organization and activity, and also qualification of actions of Security service of the Organization of the Ukrainian Nationalists in the conditions of activization of national liberation movement of the middle of the XX-th century. Based on the analysis of the theoretical and source base, the historical and legal conditions for the creation and development of the OUN Security Service were determined, and its legal status and powers were established. The creation of the OUN Security Council was conditioned by a number of objective factors, including legal ones. The institutionalization of the Security Service took place in February 1939, when the administrative apparatus was formed, which corresponded to the state level and could function effectively in legal conditions. In 1940, the OUN Security Council formed a separate reference for the nationalist movement. In June 1941, the OUN Security Council became a full-fledged ministry and was included in the so-called Ukrainian State Board as a separate ministry. The basis for the qualification of the OUN Security Service as an executive body is the numerous instructions, regulations and guidelines issued by the central leadership of the OUN and defining the scope of powers, competencies and functions of this body. The classification and specifics of the performance of the main functions of the OUN Security Council are revealed, their transformation in the conditions of national liberation struggles is shown.