Hierarchy of Russian law sources: an analysis of legislation and doctrine through the comparative legal prism of Bulgarian law

The article analyzes the conceptual problem of the formation of the 'law on laws', evaluates different approaches to the study of the system of normative legal acts, formulates the prerequisites for the uniform legal regulation of the hierarchy of sources of law. Purpose and objectives: the aim of the study is a legislative and doctrinal analysis of Russian and Bulgarian law from the perspective of the development of the law on normative legal acts. To this end, the authors set the following research tasks: firstly, to study the hierarchy of law as a conceptual problem and object of legal regulation; secondly, to study the problem of the status of judicial sources; thirdly, to research the place of doctrine in the hierarchy of law; fourthly, to analyze legislative regulation of the hierarchy of law through the prism of application of doctrinal developments.