Соответствующая норма
Sierra Leone
Practice Relating to Rule 37. Open Towns and Non-Defended Localities
Section B. Establishment of non-defended localities
Sierra Leone’s Instructor Manual (2007) defines non-defended localities as “areas left undefended in order to protect them and their inhabitants from damage and injury”. 
Sierra Leone, The Law of Armed Conflict. Instructor Manual for the Republic of Sierra Leone Armed Forces (RSLAF), Armed Forces Education Centre, September 2007, p. 28.