The article presents chosen issues regarding legal qualification information and communications technology crimes, that is punishable acts committed when using information and communications technology systems. In the beginning, the author presents the range of research done. This serves as basis for formulating particular thesis and conclusions. The first two chapters regard mistakes made by trial bodies in the description of the crime and its legal qualification. What follows next is marking borderlines between the appearances of Article 267 § 1 of the Criminal Code and Article 267 § 2 of the Criminal Code. The fifth chapter
of the article is devoted to the culture of legal language in passing trial decisions. The paper ends with a summary of the undertaken topic.