Соответствующая норма
Practice Relating to Rule 115. Disposal of the Dead
Section E. Grouping of graves according to nationality
Canada’s Prisoner of War Handling and Detainees Manual (2004) states with regard to the funeral arrangements for prisoners of war (PW): “Wherever possible, deceased PW who depended on the same Power are [to be] buried in the same location.” 
Canada, Prisoner of War Handling, Detainees, Interrogation and Tactical Questioning in International Operations, B-GJ-005-110/FP-020, National Defence Headquarters, 1 August 2004, § 3F17.5.c(3).