General Part
Section III. Punishment
Chapter 9. The Concept and the Purposes of Punishment.
Types of Punishment.
Article 56. Deprivation of Liberty for a Definite Term
1. Deprivation of freedom shall amount to the isolation of the convict from society by sending him to a settlement colony, placing him into an educational colony, into a medical treatment and reformatory institution or into a reformatory colony of general, strict or special regime, or into prison.
2. Deprivation of liberty shall be established for a term of two months to 20 years.
3. abolished.
4. In case of a partial or full merger of the terms of deprivation of liberty into the assignment of punishment by the cumulation of penalties, the maximum total term of deprivation of liberty may not exceed 25 years, and the cumulative sentences - 30 years.
Article 57. Deprivation of Liberty for Life
Federal Law No. 74-FZ of July 21, 2004 amended the first part of Article 57 of the present Code
1. Deprivation of liberty for life is established for the commission of especially grave crimes of attack on human life, as well as for committing especially grave crimes against public safety.
2. Deprivation of liberty for life shall not be imposed upon women, nor upon persons who have committed crimes at ages below 18 years, nor upon men who have reached 65 years of age by the time of adjudication .
National penalties - life imprisonment
EDIT.