Abstract
This article is devoted to the actual problems of the practical enforcement of certain norms of the antimonopoly legislation of the Russian Federation, namely the legislation on the contract system. The authors consider issues of granting preferences to organizations of people with disabilities, who are the participants in the procurement are, as well as questions of establishing additional requirements for the participants in the procurement. The methodology of the work is based on the integrated application of formal legal and comparative legal methods of scientific research. The object of the study is the modern legislation on the contractual system, as well as the materials of the law enforcement activity.