SPECIAL PART
Chapter XVI. Offences against peace, and humanity, and war crimes
Article 123. ยง 1. Whoever, in violation of international law, commits the homicide of
1) persons who surrendered, laid down their arms or lacked any means of defence,
Killing or wounding a combatant who has laid down his arms and surrendered at discretion - IAC
Killing or wounding a combatant who no longer has means of defence and has surrendered at discretion - IAC
EDIT.