Abstract
<jats:p>The presented monograph examines the inadmissibility of disclosure of data from pre-trial criminal proceedings as a criminal procedural guarantee. The problems of legal regulation of the inadmissibility of disclosure of pre-trial production data are considered, and ways to solve them are proposed. It is justified that it is unacceptable to disclose all the data that was obtained during the pre-investigation check and the preliminary investigation. The paper reveals the procedure for clarifying the inadmissibility of disclosing data from pre-trial proceedings to participants involved in investigative and other procedural actions. For investigators, interrogators, prosecutors, judges, lawyers, researchers, teachers and students of higher educational institutions of a legal profile.</jats:p>