Practice Relating to Rule 65. Perfidy
Section J. Simulation of protected status by using flags or military emblems, insignia or uniforms of neutral or other States not party to the conflict
Côte d’Ivoire’s Teaching Manual (2007) provides in Book IV (Instruction of heads of division and company commanders):
It is prohibited to kill, injure or capture an adversary by resort to perfidy. …
Here are some examples of perfidy; if an act of hostility is made by feigning:
d. protected status by the use of signs, emblems or uniforms of the United Nations or of neutral or other States not Parties to the conflict.