Article 1 Code of Crimes against International Law (CCAIL)
Part 2 Crimes against International Law
Chapter 2 War crimes
Section 8 War crimes against persons
(1) Whoever in connection with an international armed conflict or with an armed conflict not of an international character,
9. treats a person who is to be protected under international humanitarian law in a gravely humiliating or degrading manner,
shall be punished with imprisonment for not less than one year.
Humiliating and degrading treatment - IAC
Humiliating and degrading treatment - NIAC
EDIT.