Related Rule
South Africa
Practice Relating to Rule 96. Hostage-Taking
South Africa’s LOAC Manual (1996) states that the “taking of hostages” is a grave breach of the 1949 Geneva Conventions. 
South Africa, Presentation on the South African Approach to International Humanitarian Law, Appendix A, Chapter 4: International Humanitarian Law (The Law of Armed Conflict), National Defence Force, 1996, § 40.
South Africa’s Revised Civic Education Manual (2004) provides that the taking of hostages is a grave breach of the law of armed conflict and a war crime. 
South Africa, Revised Civic Education Manual, South African National Defence Force, 2004, Chapter 4, § 57.
South Africa’s ICC Act (2002) reproduces the war crimes listed in the 1998 ICC Statute, including “taking hostages” when committed against persons protected under the 1949 Geneva Conventions in international armed conflicts or against persons “taking no active part in the hostilities” in non-international armed conflicts. 
South Africa, ICC Act, 2002, Schedule 1, Part 3, §§ (a)(viii) and (c)(iii).