Chapter II Definition of Terms
Section 3. For purposes of this Act, the term:
(o) "Perfidy" means acts which invite the confidence of an adversary to lead him/her to believe he/she is entitled to, or is obliged to accord, protection under the rules of International Humanitarian Law, with the intent to betray that confidence, including but not limited to:
(1) feigning an intent to negotiate under a flag of truce;
(2) feigning surrender;
(3) feigning incapacitation by wounds or sickness;
(4) feigning civilian or noncombatant status; and
(5) feigning protective status by use of signs, emblems or uniforms of the United Nations or of a neutral or other State not party to the conflict.
Killing or wounding treacherously a combatant adversary - NIAC
Killing or wounding treacherously individuals belonging to the hostile nation or army - IAC
EDIT.