An Act to amend the War Crimes Act 1945
5. Sections 3 to 14, inclusive, of the Principal Act are repealed and the
following section and Parts are substituted:
...
"10. (1) The punishment for an offence against this Act involving the wilful killing of a person is imprisonment for life or for any lesser term."
Wilful killing - IAC
National penalties - war crimes
National penalties - life imprisonment
EDIT.