GENERAL PART
SECTION XV. CRIME AGAINST THE PEACE AND SAFETY OF MANKIND
CHAPTER 34 Crime Against the Peace and Safety of Mankind
Article 403. Intentional Violations of Norms of International Humanitarian Law Committed in the Course of Armed Conflicts
(2) Intentional violation of norms of International Humanitarian Law committed in the course of international or internal armed conflicts, aimed against persons who do not participate in battle operations, as well as against wounded men, sick men, medical and ecclesiastical staff, medical units or medical transport means, against prisoners of war, citizens, civil population being on occupied territories or in zones of battle operations, against refugees and stateless persons, resulting in :
g) taking hostages ;
Taking of hostages - IAC
Taking of hostages - NIAC
EDIT.