Article 1 Code of Crimes against International Law (CCAIL)
Part 2 Crimes against International Law
Chapter 2 War crimes
Section 12 War crimes consisting in employment of prohibited means of warfare
(1) Whoever in connection with an international armed conflict or with an armed conflict not of an international character,
2. employs biological or chemical weapons,
shall be punished with imprisonment for not less than three years.
Other prohibited weapons - IAC
EDIT.