In the article the author presents the analysis of the essence of the principle of inviolability of border, the theoretical and practical problems of its realization in national law of Ukraine. Constitutional and legal foundations for its implementation creates the need for see full items prospects for improvement legislation in this area in terms of revitalizing the European integration processes.
The main problems of the legal status of international treaties in the system of sources of
constitutional law in Ukraine are determines. Forms of interaction between constitutional law
and international treaties of Ukraine are anlyzed. The problems of the legal force of
international treaties that are not ratified by the parliament of Ukraine are determined
Examines the legal framework for foreign investment in Ukraine. Investigate the practice and implementation of international treaties formulated tasks that help harmonize the ratio of international and domestic law regarding foreign investment contracts.