القاعدة ذات الصلة
Germany
Practice Relating to Rule 88. Non-Discrimination
Section D. Persons deprived of their liberty
Germany’s Soldiers’ Manual (1991) recalls the prohibition of any distinction based on race, nationality, religion or political opinions in the treatment of captured combatants. 
Germany, Taschenkarte, Humanitäres Völkerrecht in bewaffneten Konflikten – Grundsätze, Bearbeitet nach ZDv 15/2, Humanitäres Völkerrecht in bewaffneten Konflikten – Handbuch, Zentrum Innere Führung, June 1991, p. 7, § 4.
Germany’s Military Manual (1992) provides that, with regard to the treatment of prisoners of war, one of the fundamental rules is the unlawfulness of any discrimination on the grounds of race, nationality, religious belief or political opinions or similar criteria. 
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, § 704.
Germany’s Soldiers’ Manual (2006) states under the heading “Protection of prisoners of war”: “Distinctions based on race, nationality, religion or political reasons are impermissible.” 
Germany, Druckschrift Einsatz Nr. 03, Humanitäres Völkerrecht in bewaffneten Konflikten – Grundsätze, Erarbeitet nach ZDv 15/2, Humanitäres Völkerrecht in bewaffneten Konflikten – Handbuch, DSK SF009320187, Bundesministerium der Verteidigung, R II 3, August 2006, p. 7.