Related Rule
Germany
Practice Relating to Rule 49. War Booty
Germany’s Military Manual (1992) states:
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 KonfliktenHandbuch, August 1992, § 556; see also § 448 (downed aircraft becoming spoils of war) and § 1021 (seizure of military aircraft).
The manual further states:
Prisoners of war shall be disarmed and searched. Their military equipment and military documents shall be taken away from them …
Prisoners of war shall keep all effects and articles of personal use, their metal helmets and NBC protective equipment as well as all effects and articles used for their clothing and feeding … Prisoners of war shall keep their badges of rank and nationality, their decorations and articles of personal or sentimental value. 
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, §§ 706 and 707.