The subject of this research is the novelties in constitutional legislation of the Russian Federation, namely legal provisions that supplemented the main law of the country in 2020. Alongside the renewed constitutional norms, the author analyzed the related articles of the current Russian legislation, as well as separate regulatory provisions of constitutional nature of the foreign countries. The scientific novelty of this work is substantiated by the objective factors associated with recent amendments to legal matter of the Constitution of the Russian Federation of 1993, and thus, practically full absence of scientific legal research on this topic. The author also notes the primary importance of studying the renewed basic constitutional provisions for academic community, as well as the entire Russian society.  In conclusion, it is noted that the Third Chapter of the Constitution of the Russian Federation dedicated to federative structure undergone significant changes. Despite the fact that there are certain questions to revision and location of some newly accepted constitutional norms, the results of the Russian Constitutional Referendum of July 1, 2020 give an overall positive assessment of the new version of the Constitution of the Russian Federation.