Petriv I. Constitutional-legal basis of the National Security and Defence Counsil's organisation and work.

The given dissertation analyses the present-day theoretical and practical problems on questions of the National Security, the organisation and activities of the National Security bodies of Ukraine as well as foreign countries and of the National Security and Defense Council of Ukraine. The paper includes definitions of the following: "National security", National security components, "the National Security and Defence Counsil of Ukraine" and its Constitutionalalegal status. The paper, reveals the author's concept of the principles of formation and work of the National Security and Defence Counsil of Ukraine. The author gave his gualification of the basic functions National Security and Defence Counsil of Ukraine's; analysed the organisation and work of National security bodies using political and military model of the state. The analysis gave the opportunity to present a reform concept of the National security bodies and the National Security and Defence Counsil of Ukraine. Taking into consideration the subject of the research, complex problems of the National security bodies, the current law of Ukraine on the National security, have been analysed also the definite proposals as to its improvement have been made.