The article discusses the debatable issues of the implementation in the criminal legislation of the Russian Federation of article 20 of the UN Convention against Corruption on Illicit Enrichment. The materials contained in the passport of bills on amendments to the Federal Law “On Ratification of the UN Convention against Corruption” are examined. The author analyzes various points of view on the criminalization of illicit enrichment, as well as certain aspects of disciplinary liability for the failure to provide reliable information on the income and expenses of officials and civil liability in the form of appeals to property of the state, regarding which no evidence of its acquisition by legal income was presented. Proposals are substantiated to criminalize illegal enrichment as an official crime provided for by Chapter 30 of the Criminal Code of the Russian Federation and the conclusion is drawn on the need to criminalize illegal enrichment as a crime in the field of economic activity.