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
(3) Whoever in connection with an international armed conflict
1. unlawfully holds as a prisoner or unjustifiably delays the return home of a protected person within the meaning of subsection (6), number 1,
shall be punished with imprisonment for not less than two years.
Unlawful confinement - IAC
Repatriation - IAC
EDIT.