القاعدة ذات الصلة
Canada
Practice Relating to Rule 53. Starvation as a Method of Warfare
Section B. Sieges that cause starvation
Canada’s LOAC Manual (1999), in a section on siege warfare, stresses:
If circumstances permit, … the parties should … permit passage to these [besieged] areas of … essential foodstuffs, clothing, and tonics intended for children under the age of 15, expectant mothers, 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(e).
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.
The parties should also permit passage to these areas of:
e. essential foodstuffs, clothing, and tonics intended for children under the age of 15, expectant mothers, 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.e.