Practice Relating to Rule 37. Open Towns and Non-Defended Localities
Section C. Attacks on open towns and non-defended localities
Argentina’s Law of War Manual (1969) states: “It is prohibited to attack or bombard undefended cities, localities, dwellings or buildings.”
Argentina’s Law of War Manual (1989) states that it is prohibited to “attack, by whatever means, non-defended localities”.
The manual further qualifies attacks against non-defended localities as grave breaches of IHL.