相关规则
Sweden
Practice Relating to Rule 139. Respect for International Humanitarian Law
Section B. Orders and instructions to ensure respect for international humanitarian law
Sweden’s IHL Manual (1991) notes: “The [1907] IV Hague Convention … provides that contracting powers shall give their land forces instructions that comply with the Convention.” 
Sweden, International Humanitarian Law in Armed Conflict, with reference to the Swedish Total Defence System, Swedish Ministry of Defence, January 1991, Section 4.1, p. 91.
The manual adds: “For the Swedish defence forces, the commander-in-chief has laid down eight servicemen’s rules pointing out what every combatant must bear in mind in combat situations.” 
Sweden, International Humanitarian Law in Armed Conflict, with reference to the Swedish Total Defence System, Swedish Ministry of Defence, January 1991, Section 4.2, p. 95.