Chapter III Crimes Against International Humanitarian Law, Genocide and Other Crimes Against Humanity
Section 4. War Crimes. - For the purpose of this Act, "war crimes" or "crimes against Interntional Human Humanitarian Law" means:
(c) Other serious violations of the laws and customs applicable in armed conflict, within the established framework of international law, namely:
(22) In an international armed conflict, compelling the nationals of the hostile party to take part in the operations of war directed against their own country, even if they were in the belligerent's service before the commencement of the war;
EDIT.