相关规则
Canada
Practice Relating to Rule 8. Definition of Military Objectives
Section C. Places where armed forces or their materiel are located
Canada’s LOAC Manual (1999) considers that “military bases, warehouses, … ; and … buildings and objects that provide administrative and logistical support for military operations” are “generally accepted as being military objectives”. 
Canada, The Law of Armed Conflict at the Operational and Tactical Level, Office of the Judge Advocate General, 1999, p. 4-2, § 9.
Canada’s LOAC Manual (2001) states in its chapter on targeting:
1. The following are generally accepted as being military objectives:
a. military bases, warehouses, petroleum storage areas, ports and airfields; and
b. military aircraft, weapons, ammunition, buildings and objects that provide administrative and logistical support for military operations.
2. Civilian vessels, aircraft, vehicles and buildings are military objectives if they contain combatants, military equipment or supplies. 
Canada, The Law of Armed Conflict at the Operational and Tactical Levels, Office of the Judge Advocate General, 13 August 2001, § 407.1-2.