The subject. The article presents a special study of the law enforcement practice of electoral legislation made by a court of various instances in the process of elections to the Omsk City Council of the sixth convocation held on September 10, 2017. The collision arises between the enforcement of federal and regional legislation is analyzed in the article.The purpose of the article is to find the ways of solving the conflict that arose during thr enforcement of federal and regional legislation regarding the verification procedure of voter’s signature.The methodology. The methods of analysis and synthesis are used. The focus of the scientific analysis concerns the courts decisions.The results, scope of application. In the Federal Law “On Basic Guarantees of Electoral Rights and the Right to Participate in the Referendum of Citizens of the Russian Federation” of June 12, 2002, No. 67-FZ, the last paragraph of par. 8 of art. 37 fixes a set of issues established by the law of a sub-sovereign entity of the Russian Federation in holding the elections to a representative body of local self-government. In 2003, the regional law No. 456-OZ “On Elections to Local Self-Government Bodies of the Omsk Region” was passed, in which issues referred to the jurisdiction of the subject of the Russian Federation in the last paragraph of par. 8 of art. 37 of Federal Law No. 67, were not confirmed, especially with regard to the consolidation of the verification order of voters' signatures and grounds for recognition these signatures invalid, and (or) invalidated. At the same time, the Federal Law “On ensuring the constitutional rights of citizens of the Russian Federation to elect and be elected to local self-government bodies” No. 138-FZ of November 26, 1996, which in par. 2 of art. 1 "registered" the mechanism of its application in case of unsettledness, even with regard to the right to elect and be elected to the bodies of local self-government by the law of that body.The nsettledness concerns the verification order of authenticity of voters' signatures in candidacy lists when nominating candidates for representative bodies of local self-government.Conclusion. The article considers the sequence of solving this problem by the courts of the first, appellate and cassation instances, as a result of which the essence of the collision does not find its material and procedural solution, still remaining a gap both in the legislation and in the activities of federal control and supervisory bodies.