Соответствующая норма
Practice Relating to Rule 7. The Principle of Distinction between Civilian Objects and Military Objectives
The Report on the Practice of Botswana asserts that the Government of Botswana endorses the principle of distinction as found in Article 48 of the 1977 Additional Protocol I. 
Report on the Practice of Botswana, 1998, Answers to additional questions on Chapter 1.3.
In 1996, during a debate in the UN Security Council, Botswana commented on the numerous violations of the fundamental human rights of the Afghan civilian population documented by international human rights organizations, listing among such violations the bombing of residential areas. 
Botswana, Statement before the UN Security Council, UN Doc. S/PV.3648, 9 April 1996, p. 15.