Related Rule
Yugoslavia, Federal Republic of
Practice Relating to Rule 62. Improper Use of Flags or Military Emblems, Insignia or Uniforms of the Adversary
The Report on the Practice of the Federal Republic of Yugoslavia mentions the use of Yugoslav People’s Army (YPA) insignia by Croatian soldiers when entering a Serb village. Civilians who went out to greet them were killed. No official statement on or reaction to the incident is provided by the report. 
Report on the Practice of the Federal Republic of Yugoslavia, 1997, Chapter 2.4, referring to Miodrag Starcevic and Nikola Petkovic, Croatia ‘91-Violence and Crime Against the Law, Belgrade, 1991, pp. 34-35.
The report also notes that misuse or improper use of uniforms on the part of paramilitary formations and armed forces occurred at the beginning of the conflicts in Slovenia and Croatia. According to the report, it appears that the issue was not of primary importance and, therefore, cases of violations were not systematically recorded, although they undoubtedly existed and were committed by all parties to the conflict. 
Report on the Practice of the Federal Republic of Yugoslavia, 1997, Chapter 2.6.