Abstract
BRICS is an association of countries willing to strengthen their political influence by providing it with multilateral economic integration, contributing to solving global problems and ensuring the development of each country-member. In the documents of BRICS economic cooperation is considered as the main goal and content of relations with the support of the principle of multipolarity of the modern world, which requires legal support. Therefore, the association is based on generally recognized principles of international law, consistent with the principles of the United Nations Charter. This article also focuses on the position Russia holds in BRICS in accordance with the current political and economical environment, the list of key features of the role of Russia in BRICS is revealed. The authors paid special attention to the Russia-China partnership within BRICS. The country-members has found ways to create a single legal field in where the members interact, even if they belong to different legal families, since the development of trade requires, first of all, the harmonization of civil, antimonopoly, and customs legislation. Legal interaction also takes place in other areas, for example, in the development of law institutions related to intellectual property. So, cooperation of Russia with the bloc of these countries will soon rapidly increase and strengthen, and, as a result, BRICS may become the main market for the energy sector.