Criteria for proficiency and insufficient proficiency in the language of legal discourse by participants in criminal proceedings

Purpose of the study is to study the Russian legislation governing the participation of an interpreter in criminal proceedings, and to identify criteria that allow determining the degree of proficiency and insufficient knowledge of the language of legal discourse of participants in criminal proceedings. Among the methods used by the author when writing a work, one should single out dialectical, logical, statistical. Based on the data of law enforcement practice and analysis of scientific research, the article reveals the criteria for the degree of proficiency and insufficient proficiency in the language of criminal proceedings, and also reflects the problems of law enforcement practice in the definition and establishment of such criteria. On the basis of the analysis of the research, the criteria for proficiency and insufficient proficiency in the language of the court system were determined and a method was proposed for establishing these criteria by the persons carrying out the criminal proceedings. Clarifications of the highest court will help to ensure a uniform approach to the definition and establishment of such criteria.