GENERAL PART
Chapter X. PUNISHMENT AND ITS TYPES
Article 64. Life imprisonment
1. The punishment of life imprisonment is imposed for special grave offenses and shall apply only in cases specifically provided for by this Code, where a court does not find it possible to impose imprisonment for a determinate term.
2. Life imprisonment shall not be imposed on persons who committed offenses under 18 years of age and to persons over 65 years of age, and women who were pregnant at the time of offense or at the time of sentencing.
National penalties - life imprisonment
EDIT.