EN
This paper focuses on the legal nature of proceedings to impose security (precautionary) measures. Given that their legal nature is determined by a set of different features characteristic of given proceedings, the study analyses modifications of proceedings to apply security measures which justify considering them a separate category. It is no doubt that the proceedings in question are criminal proceedings. However, the fact that they differ from the “model” criminal proceedings makes them an interesting subject of study. The findings indicate that the proceedings to impose security measures should be classified as special criminal procedings or more specifically, special proceedings of criminal process and thus it should be viewed as one of the so-called equivalent special proceedings.