[IND] The system of guarantees constitutes an extremely important sphere of criminal procedure. Its form constitutes one of the significant characteristics of the criminal procedure model, both by defining the rights and duties of its participants and by outlining the acceptable extent of the state’s interference in the legal situation of the participants of criminal procedure. Yet, the guarantee function is not a function specific for preparatory proceedings, but a general function of criminal trial. The article will be devoted to these issues.