Belyaeva Irina M., Associate Professor of Criminal Law, Criminology and criminally-executive law, South Ural State University, Chelyabinsk. 454080, Chelyabinsk, Lenina ave., 76. E-mail: nip@74.ru

Nacharkina Olga V., Associate Professor of Criminal Law, Criminology and criminally-executive law, South Ural State University, Chelyabinsk. 454080, Chelyabinsk, Lenina ave., 76. E-mail: nip@74.ru

The article analyzes different approaches to defining forms of cooperation between States on extradition matters are determined by the peculiarities of legal regulation of the extradition of persons who committed the crime.A separate issue discusses the importance of the rule of «double imputation», which is a necessary condition for the solution of problems of extradition in each case means not only the criminal wrongfulness of the act by the law of the requesting state and the state in whose territory is the person who committed the act, but the comparability of measures of criminal-legal influence, which can be to that person applied.