Protection of right to life
15.
(3) A sentence of life imprisonment shall not be less than twenty five years.
1. Subject to article 110, the Court may impose one of the following penalties on a person convicted of a crime referred to in article 5 of this Statute:
(a) Imprisonment for a specified number of years, which may not exceed a maximum of 30 years; or
(b) A term of life imprisonment when justified by the extreme gravity of the crime and the individual circumstances of the convicted person.