Punishment of a socially dangerous action in terms of changing criminal law

This article is devoted to the questions of application of norms concerning criminal
nature and punishment of an action in terms of changing criminal law. The authors criticize
proposition of the acting legislation that the Criminal Code is the only source of criminal
law branch. They also analyze a problem of application (setting and execution) of criminal
punishment in terms of changing of the Criminal Code.

Keywords: criminal law; criminal punishment; ex post facto of criminal law; reform of the criminal-executive system; sources of criminal law