相关规则
Iraq
Practice Relating to Rule 62. Improper Use of Flags or Military Emblems, Insignia or Uniforms of the Adversary
Iraq’s Law of the Supreme Iraqi Criminal Tribunal (2005) identifies the following as a serious violation of the laws and customs of war applicable in international armed conflicts: “Making improper use of … the flag, or the military insignia and uniform of the enemy … resulting in death or serious personal injury”. 
Iraq, Law of the Supreme Iraqi Criminal Tribunal, 2005, Article 13(2)(H).
On the basis of the reply by Iraq’s Ministry of Defence to a questionnaire, the Report on the Practice of Iraq concludes that a combatant wearing an enemy uniform to create confusion and disorder among its ranks would lose any protection under international law. 
Report on the Practice of Iraq, 1998, Reply by the Ministry of Defence to a questionnaire, July 1997, Chapter 2.6.