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Canada
Practice Relating to Rule 115. Disposal of the Dead
Section B. Respect for the religious beliefs of the dead
Canada’s LOAC Manual (1999) provides: “Parties to the conflict shall ensure that the dead are … interred and if possible according to the rites of the religion to which they belong.” 
Canada, The Law of Armed Conflict at the Operational and Tactical Level, Office of the Judge Advocate General, 1999, p. 9-6, § 58.
Canada’s Code of Conduct (2001) provides: “The dead shall be … interred, and if possible accorded the rites of the religion to which the deceased belonged.” 
Canada, Code of Conduct for CF Personnel, Office of the Judge Advocate General, 4 June 2001, Rule 7, § 5.
Canada’s LOAC Manual (2001) states in its chapter on the treatment of the wounded, sick and shipwrecked:
5. Parties to the conflict shall ensure that the dead are honourably interred, if possible according to the rites of the religion to which they belong.
6. Bodies shall not be cremated except for imperative reasons of hygiene or for religious motives. 
Canada, The Law of Armed Conflict at the Operational and Tactical Levels, Office of the Judge Advocate General, 13 August 2001, § 925.5–6.
Canada’s Prisoner of War Handling and Detainees Manual (2004) states, with regard to the funeral arrangements for prisoners of war (PW):
b. Cremation. PW may only be cremated for imperative reasons of hygiene, on account of the religion of the PW or in accordance with a written request by the PW or by the Prisoners’ Representative on the PW’s behalf …
c. Burial. [The 1949 Geneva Convention III] places a duty on the detaining authorities to ensure that:
(1) PW who have died in captivity are [to be] honourably buried, if possible according to the rites of the religion to which they belonged. 
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.b–c.
Canada’s Code of Conduct (2005) instructs: “The dead shall be honourably interred, and if possible accorded the rites of the religion to which the deceased belonged.” 
Canada, Code of Conduct for CF Personnel, Office of the Judge Advocate General, 2005, Rule 7, § 5.