Norma relacionada
Canada
Practice Relating to Rule 145. Reprisals
Section D. Order at the highest authority of government
Canada’s LOAC Manual (1999) provides: “The use of reprisals has great political and strategic implications. The decision to take reprisal action must therefore be authorized at the highest political level. Operational commanders on their own initiative are not authorized to carry out reprisals.” 
Canada, The Law of Armed Conflict at the Operational and Tactical Level, Office of the Judge Advocate General, 1999, p. 15-2, § 13.
The manual further states:
To qualify as a reprisal, an act must satisfy the following conditions:
h. It must be authorized by national authorities at the highest political level as it entails full state responsibility. Therefore, military commanders are not on their own authorized to carry out reprisals. 
Canada, The Law of Armed Conflict at the Operational and Tactical Level, Office of the Judge Advocate General, 1999, p. 15-3, § 17.
Canada’s LOAC Manual (2001) states in its chapter entitled “Preventative and enforcement measures and the role of protecting powers”:
2. The use of reprisals has great political and strategic implications. The decision to take reprisal action must therefore be authorized at the highest political level. Operational commanders on their own initiative are not authorized to carry out reprisals.
6. To qualify as a reprisal, an act must satisfy the following conditions:
h. It must be authorized by national authorities at the highest political level as it entails full state responsibility. Therefore military commanders are not on their own authorized to carry out reprisals. 
Canada, The Law of Armed Conflict at the Operational and Tactical Levels, Office of the Judge Advocate General, 13 August 2001, § 1507.2 and 6.h.