Norma relacionada
Germany
Practice Relating to Rule 37. Open Towns and Non-Defended Localities
Section C. Attacks on open towns and non-defended localities
Germany’s Military Manual (1992) prohibits “the attack or bombardment of non-defended localities”. 
Germany, Humanitarian Law in Armed Conflicts – Manual, DSK VV207320067, edited by The Federal Ministry of Defence of the Federal Republic of Germany, VR II 3, August 1992, English translation of ZDv 15/2, Humanitäres Völkerrecht in bewaffneten KonfliktenHandbuch, August 1992, § 458.
The manual further provides that grave breaches of IHL are in particular “launching attacks against non-defended localities”. 
Germany, Humanitarian Law in Armed Conflicts – Manual, DSK VV207320067, edited by The Federal Ministry of Defence of the Federal Republic of Germany, VR II 3, August 1992, English translation of ZDv 15/2, Humanitäres Völkerrecht in bewaffneten KonfliktenHandbuch, August 1992, § 1209.
Germany’s Law Introducing the International Crimes Code (2002) provides for the punishment of anyone who, “in connection with an international armed conflict or with an armed conflict not of an international character, … directs an attack by military means against … undefended towns, villages, dwellings or buildings”. 
Germany, Law Introducing the International Crimes Code, 2002, Article 1, § 11(1)(2).