Related Rule
Sweden
Practice Relating to Rule 15. The Principle of Precautions in Attack
Section A. Constant care to spare the civilian population, civilians and civilian objects
Sweden’s IHL Manual (1991) states that the precautions in attack “have come about only to protect the civilian population, individual civilians and civilian property in connection with military operations, and particularly when planning, deciding upon and executing attacks”. 
Sweden, International Humanitarian Law in Armed Conflict, with reference to the Swedish Total Defence System, Swedish Ministry of Defence, January 1991, Section 3.2.1.5, p. 68.