Part Five. International Cooperation in the Sphere of Criminal Court Proceedings
Section XVIII. Procedure for the Interaction of Courts, Prosecutors, Investigators and the Inquest Bodies with the Corresponding Competent Bodies and Officials of Foreign States and with International Organizations
Chapter 54. Extradition of a Person for the Criminal Prosecution or for the Execution of the Sentence
Article 465. Postponement of the Person's Extradition and the Extradition of a Person for a Time
1. If a foreign citizen or a stateless person, with respect to whom an inquiry for the extradition has come in, is subject to the criminal prosecution or is serving a term for another crime on the territory of the Russian Federation, his extradition may be postponed till the termination of the criminal prosecution, till his release from the punishment on any lawful ground, or till he has served the sentence.
2. If the postponement of the extradition may entail an expiry of the term of legal limitation for the criminal prosecution, or may inflict a damage on the inquisition of the crime, the person mentioned in the inquiry may be extradited for a time, if there has been assumed a liability to observe the terms, established by the Procurator-General of the Russian Federation or by his Deputy .
Postponement - ongoing investigation or prosecution
EDIT.