BOOK FIRST PENAL LAWS
PART II
OF CRIMES AND PUNISHMENTS
Title I
OF GENOCIDE, CRIMES AGAINST HUMANITY AND WAR CRIMES
54D. (b) (vi) killing or wounding a combatant who, having laid down his arms or having no longer means of defence, has surrendered at discretion;
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.