Соответствующая норма
Practice Relating to Rule 73. Biological Weapons
In 1989, the Minister of Foreign Affairs of Afghanistan stated:
The Republic of Afghanistan, while once again confirming its pledges on the non-use and elimination of chemical weapons, announces that it will never resort to the production, use, development, storage, or export of … biological weapons. 
Kabul Radio, “Foreign Minister Returns from Paris Conference”, 10 January 1989, as translated in FBIS-NES-89-006.