Соответствующая норма
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
Argentina’s Law of War Manual (1989) states that “making use of signs, emblems or uniforms … of neutral states or other states which are not parties to the conflict, so as to simulate a protected status” is an example of perfidy. 
Argentina, Leyes de Guerra, PC-08-01, Público, Edición 1989, Estado Mayor Conjunto de las Fuerzas Armadas, aprobado por Resolución No. 489/89 del Ministerio de Defensa, 23 April 1990, § 1.05(2)(4).