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Canada
Practice Relating to Rule 129. The Act of Displacement
Section B. Evacuation of the civilian population
Canada’s LOAC Manual (1999) provides:
If circumstances permit, the parties to a conflict must endeavour to conclude local agreements for the removal from besieged areas of wounded, sick, infirm, and aged persons … and maternity cases. 
Canada, The Law of Armed Conflict at the Operational and Tactical Level, Office of the Judge Advocate General, 1999, p. 6-4, § 35.
The manual also states that in occupied territory, “permissible measures of population control include … evacuation”. 
Canada, The Law of Armed Conflict at the Operational and Tactical Level, Office of the Judge Advocate General, 1999, p. 12-5, § 40.
With respect to non-international armed conflicts in particular, the manual states: “It is forbidden to displace the civilian population for reasons connected with the conflict unless their security or imperative military reasons so demand.” 
Canada, The Law of Armed Conflict at the Operational and Tactical Level, Office of the Judge Advocate General, 1999, p. 17-5, § 41.
Canada’s LOAC Manual (2001) states in its chapter on land warfare:
If circumstances permit, the parties to a conflict must endeavour to conclude local agreements for the removal from besieged areas of wounded, sick, infirm, and aged persons, children and maternity cases. 
Canada, The Law of Armed Conflict at the Operational and Tactical Levels, Office of the Judge Advocate General, 13 August 2001, § 614.6.
In its chapter on rights and duties of occupying powers, the manual states:
1223. Control of Persons in Occupied Territory
2. Permissible measures of population control include:
b. evacuation. 
Canada, The Law of Armed Conflict at the Operational and Tactical Levels, Office of the Judge Advocate General, 13 August 2001, § 1223.1 and 1223.2.b.
In its chapter on non-international armed conflicts, the manual states:
It is forbidden to displace the civilian population for reasons connected with the conflict unless their security or imperative military reasons so demand. If they do have to be displaced, arrangements must be made, if possible, for their shelter, hygiene, health, safety and nutrition. 
Canada, The Law of Armed Conflict at the Operational and Tactical Levels, Office of the Judge Advocate General, 13 August 2001, § 1724.
Canada’s Crimes against Humanity and War Crimes Act (2000) provides that the war crimes defined in Article 8(2) of the 1998 ICC Statute are “crimes according to customary international law” and, as such, indictable offences under the Act. 
Canada, Crimes against Humanity and War Crimes Act, 2000, Section 4(1) and (4).
In 2013, in the Sapkota case, Canada’s Federal Court dismissed a request for review of a decision denying refugee protection to the applicant on grounds of complicity in crimes against humanity in Nepal between 1991 and 2009. While reviewing the submissions of the respondent, Canada’s Minister of Citizenship and Immigration, the Court stated: “The Respondent notes that the Rome Statute of the International Criminal Court … is endorsed in Canada as a source of customary law.” 
Canada, Federal Court, Sapkota case, Reasons for Judgment and Judgment, 15 July 2013, § 28.