Соответствующая норма
Canada
Practice Relating to Rule 147. Reprisals against Protected Objects
Section D. Objects indispensable to the survival of the civilian population
Canada’s LOAC Manual (1999), in a part dealing with targeting, provides: “Objects indispensable to the survival of the civilian population shall not be made subject to reprisals.” 
Canada, The Law of Armed Conflict at the Operational and Tactical Level, Office of the Judge Advocate General, 1999, p. 4-8, § 81.
In a part dealing with enforcement measures, the manual states: “Reprisals against the following categories of persons and objects are prohibited: … h. objects indispensable to the survival of the civilian population”. 
Canada, The Law of Armed Conflict at the Operational and Tactical Level, Office of the Judge Advocate General, 1999, p. 15-2, § 15.
Canada’s LOAC Manual (2001) states in its chapter on targeting: “Objects indispensable to the survival of the civilian population shall not be made subject to reprisals.” 
Canada, The Law of Armed Conflict at the Operational and Tactical Levels, Office of the Judge Advocate General, 13 August 2001, § 445.4.
In its chapter entitled “Preventative and enforcement measures and the role of protecting powers”, the manual states:
4. Reprisals against the following categories of persons and objects are prohibited.
h. objects indispensable to the survival of the civilian population;
5. Reprisals are permitted against combatants and against objects constituting military objectives. 
Canada, The Law of Armed Conflict at the Operational and Tactical Levels, Office of the Judge Advocate General, 13 August 2001, § 1507.4.h and 5.