Соответствующая норма
Islamic Republic of Iran
Practice Relating to Rule 70. Weapons of a Nature to Cause Superfluous Injury or Unnecessary Suffering
In its written statement submitted to the ICJ in the Nuclear Weapons case in 1995, the Islamic Republic of Iran stated:
Some of the principles of humanitarian international law from which one can deduce the illegitimacy of the use of nuclear weapons are:
Prohibition of means and methods of war that cause unnecessary suffering to human societies and environment. 
Islamic Republic of Iran, Written statement submitted to the ICJ, Nuclear Weapons (WHO) case, undated, p. 1.