Related Rule
Practice Relating to Rule 53. Starvation as a Method of Warfare
Section C. Blockades and embargoes that cause starvation
According to the Report on the Practice of Iraq, refraining from the use of embargoes on food and medicine as a weapon by one of the conflicting parties is a fixed and established principle which has been applied by the Iraqi armed forces in armed conflicts. 
Report on the Practice of Iraq, 1998, Chapter 4.1.