The subject of research is the legal status of the Constitutional Assembly, whose powers include the consideration of questions the constitutional system, which are defined the National Security Strategy of the Russian Federation valid until 2020 as Russia´s national interests in the long term. In this article we focus on problems of realization provisions of the Constitutional Assembly, substantiates the necessity of the adopting the special law in order to regulate the functioning the necessity constitutional authority. The review of legislative initiatives on this issue is provided herein below. In order to ensure the effective functioning of the Constitutional Assembly the author has offered to settle the procedure for amending the Chapters 1, 2 and 9 of the Constitution of the Russian Federation. Conclusions promote maintaining legal and institutional mechanism for ensuring national interests by regulating the convening and functioning of the Constitutional Assembly.