DIFFICULTIES OF SATISFACTORI LEGISLATIVE AUTHORIZATION PROBLEMS OF «CONSCIENTIOUSNESS» IN CIVIL LAW Popov Valeriy Sergeevich, PhD at Law. <...> It is unacceptably for a wide variation in opinions as to the conception of «conscientiousness», we believe, it prevents to the introduction of its complementary to working national legislation. <...> However, join all the assurance to need the operational use of the concepts as «honesty», «reasonableness» and «justice» etc. in the national law was a consequence of the fact that the legislation of Kazakhstan and Russia has all these concepts. <...> So, this difficulty was overcome by the factor «legal will». <...> In particular, the situation is determined to such circumstances in the legislative sphere. <...> The concepts as «honesty», «reasonableness» and «justice» and etc. are not fixed independently from each other in Civil Code of the Republic of Kazakhstan but their triad are present in the form of a stable population. <...> It follows that in the civil law of Kazakhstan judgments and conclusions of any kinds are difficult to composite three-tier principle or three-level complex presumption. «Honesty» is set in the Civil Code of the Republic of Kazakhstan and the Russian Federation twice initially as a requirement for the participants of civil relations «to act in the exercise of their rights in good faith». <...> However, once it was billed as the cancellation of the first to put forward the requirements for «honesty» of participants in civil relations are only «supposed to» as well as the reasonableness and fairness of their actions in fact. <...> Ситуация в научно- исследовательской сфере, где всё ещё актуальна задача: «задаться вопросом, в каком контексте необходимо толковать понятие добросовестности», для деятельности национального законодателя не благоприятная. <...> Недопустимо широкий разброс суждений относительно понимания «добросовестности» комплиментарному введению её в действующее национальное законодательство, полагаем, препятствует! <...>