Related Rule
Germany
Practice Relating to Rule 111. Protection of the Wounded, Sick and Shipwrecked against Pillage and Ill-Treatment
Germany’s Military Manual (1992) states that the wounded, sick and shipwrecked “shall be protected against pillage and ill-treatment”. 
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, § 605.
According to German investigations following allegations of crimes committed against members of the armed forces in Crete in May 1941, it appeared that “wounded soldiers were robbed and deprived of parts of their clothing, primarily by the civilian population”. 
Alfred M. de Zayas, The Wehrmacht War Crimes Bureau, 1939–1945, University of Nebraska Press, 1989, pp. 156–157.
Germany’s Military Manual (1992) provides: “Civilians must respect the wounded, the sick and the shipwrecked, even if they belong to the opposite party. They must not use violence against them.” 
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, § 632.