EN
The article discusses the main terms, which are used in the field of evidence in the criminal procedure. The author tried to focus on contradictions between the theory of criminal procedure law and the provisions contained in the Criminal Procedure Act. The in-dept analysis of these terms and provisions of the Criminal Procedure Act proved that not all provisions are in accordance with the theory of criminal procedure law, but what is more, there are also some contradictions between the provisions of Criminal procedure act as well. The outcome of this analysis could be the proposal for performance of the changes in Criminal Procedure Act in the future.