Related Rule
Practice Relating to Rule 117. Accounting for Missing Persons
Section B. Provision of information on missing persons
Germany’s Military Manual (1992) provides: “Each of the Parties to the conflict is obliged to forward information regarding the fate of protected civilians … as well as of prisoners of war … wounded, sick, shipwrecked, and dead.” 
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, §§ 538 and 708.