Related Rule
Practice Relating to Rule 51. Public and Private Property in Occupied Territory
Section A. Movable public property in occupied territory
Germany’s Military Manual (1992) provides:
Movable government property which may be used for military purposes shall become spoils of war … Upon seizure it shall, without any compensation, become the property of the occupying State. Such property includes, for instance, means of transport, weapons, and food supplies … The latter shall not be requisitioned unless the requirements of the civilian population have been taken into account … The requirements of the civilian population shall be satisfied first. 
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 Konflikten – Handbuch, August 1992, § 556.