Book Two : Specific Provisions
Title Twelveter : War Crimes
Art. 264g
1 The penalty is a custodial sentence of not less than three years for any person who, in connection with an armed conflict :
d. kills or wounds an enemy combatant treacherously or after he or she has laid down his or her arms or no longer has a 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
Killing or wounding treacherously a combatant adversary - NIAC
EDIT.