PART I—PRELIMINARY
International Crimes
6. (3) A person who commits an offence under subsection (1) or (2) shall on conviction be liable—
(a) to be punished as for murder, if an intentional killing forms the basis of the offence; or
(b) to imprisonment for life or for a lesser term, in any other case.
National penalties - genocide
National penalties - crimes against humanity
National penalties - war crimes
National penalties - national proceedings
EDIT.