相关规则
Japan
Practice Relating to Rule 71. Weapons That Are by Nature Indiscriminate
In its oral pleadings before the ICJ in the Nuclear Weapons case in 1995, Japan stated: “The radiation released by [nuclear] weapons cannot be confined to specific military targets.” 
Japan, Oral pleadings before the ICJ, Nuclear Weapons case, 7 November 1995, Verbatim Record CR 95/27, p. 36.