Abstract: The subject of the research is the legal nature of article 54.1 of the Tax Code of the Russian Federation. Kharitonov studies whether this article should be viewed as the legal act that describes tax violation and sets forth responsibility for committing it, or as the rule of behavior adopted for the purpose of developing the concept of tax good faith. The researcher gives evaluation of the approach of Russian tax authorities to the aforesaid problem as well as shares his own point of view on the matter. The methodological basis of the research includes formal logic such as analysis, synthesis, deduction and induction. The main conclusion of the research is that the legal nature of Article dictates mandatory rule that defines actual tax responsibilities of private tax law actors. If we view this article as the legal act that describes tax violation and sets forth responsibility for committing it as the tax authorities prescribe, private tax law actors will bear dual liablity for tax violations which should be avoided by all means. 

Abstract: The subject of the research is the judicial doctrines of the good faith concept in the Russian tax law. The author of the article describes the factors that contributed to the creation of such judicial doctrines, discusses the reasonability of the use of the aforesaid concept in law and focuses on the definition of good faith given by law. Kharitonov examines developing judicial doctrines of 'good-fath taxpayer', 'unjustified tax benefit', and 'good-faith tax administration'. The methodological basis of the research includes formal law methods such as analysis, synthesis, and induction. Moreover, the author has used the historical method and systems approach. The main conclusion of the research is that the use of the good faith concept in Russian tax law has created aforesaid three judicial doctrines, one of these doctrines  Unjustified tax benefit, Good-faith taxpayer, Good-faith tax administration, Tax planning, Tax optimization, Tax law, Judicial doctrine, Good faith, Tax evasion, Tax avoidance

Abstract: The subject of this research is the BEPS project of OECD aimed at prevention of taxpayer actions aimed at base erosion and profit shifting. The author of the article examines the factors that today enable the evasion of tax payment, describes the development of the rules that would prevent such evasion, analyzes the reasons of why the BEPS project was created and studies the nature of the BEPS project. Special emphasis is made on positive and negative consequences of the project. The methodological basis of the research includes such formal logical method as analysis and synthesis. In addition, the author has used the historical research method and systems approach. The main conclusion of the research is that despite the importance and potential to reduce the base erosion and profit shifting, the BEPS project of OECD creates a great number of serious issues. Solutions still need to be found, and if these problems are ignored, this project may make a significant harm to both taxpayers and individual states.