Related Rule
Holy See
Practice Relating to Rule 71. Weapons That Are by Nature Indiscriminate
In 1977, during a debate in the First Committee of the UN General Assembly, the Holy See condemned the use of indiscriminate weapons. 
Holy See, Statement before the First Committee of the UN General Assembly, UN Doc. A/C.1/32/PV.24, 3 November 1977, p. 76.