Соответствующая норма
Yugoslavia, Socialist Federal Republic of
Practice Relating to Rule 37. Open Towns and Non-Defended Localities
Section A. Establishment of open towns
The Socialist Federal Republic of Yugoslavia’s Military Manual (1988) provides that the establishment of an open town requires agreement between the parties and restates the conditions contained in Article 16 of the 1956 New Delhi Draft Rules. 
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, § 81.