Соответствующая норма
Practice Relating to Rule 60. Improper Use of the United Nations Emblem or Uniform
According to the Report on the Practice of Indonesia, although it is not specifically mentioned in Indonesia’s Military Manual, senior officers of the Indonesian armed forces consider that the use of UN peacekeeping uniforms would come within the prohibition of the use of uniforms of neutral States or other States not parties to the conflict. 
Report on the Practice of Indonesia, 1997, Interviews with senior officers of the armed forces, Chapter 2.6, referring to The Basics of International Humanitarian Law, Legal Division of the Indonesian Armed Forces, 1982, § 104.