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Yugoslavia, Socialist Federal Republic of
Practice Relating to Rule 6. Civilians’ Loss of Protection from Attack
Section C. Situations of doubt as to the character of a person
The Socialist Federal Republic of Yugoslavia’s Military Manual (1988) states: “In case of doubt a person shall be considered as a civilian until proven otherwise.” 
Yugoslavia, Socialist Federal Republic of, Propisi o Primeri Pravila Medjunarodnog Ratnog Prava u Oruzanim Snagama SFRJ, PrU-2, Savezni Sekretarijat za Narodnu Odbranu (Pravna Uprava), 1988, § 67(3).