Related Rule
Yugoslavia, Socialist Federal Republic of
Practice Relating to Rule 31. Humanitarian Relief Personnel
The Socialist Federal Republic of Yugoslavia’s Military Manual (1997) provides that relief personnel are entitled to protection in the performance of their task of “civil protection” and shall not be made the object of attack. 
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, §§ 277–278.
The Report on the Practice of the Federal Republic of Yugoslavia states that the wording “civil protection” also covers humanitarian assistance. 
Report on the Practice of the Federal Republic of Yugoslavia, 1997, Chapter 4.2.