INTRODUCTION. The proliferation of legislative, judicial and general administrative jurisdiction to Crimea in the spring of 2014 highlighted a number of new issues in the regulation of civil law relations in the international and local sphere that faced the courts in the Russian Federation, as well as the need to make adjustments to approaches related to the recognition of foreign state law acts and enforcement of foreign judgments. In the field of private international law, in addition to the mentioned, an understanding of the phenomenon of collision of various multi-national norms arose not in space, which is the central subject of this science, but in time.MATERIALS AND METHODS. The works of Russian and foreign authors are the material o...