Соответствующая норма
Peru
Practice Relating to Rule 63. Use of Flags or Military Emblems, Insignia or Uniforms of Neutral or Other States Not Party to the Conflict
Peru’s IHL Manual (2004) states: “It is prohibited to make use of the flags, emblems or uniforms of neutral States.” 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 27.e.(6).
Peru’s IHL and Human Rights Manual (2010) states: “It is prohibited to make use of the flags, emblems or uniforms of neutral States.” 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 28(e)(6), p. 318.