Related Rule
South Africa
Practice Relating to Rule 88. Non-Discrimination
South Africa’s ICC Act (2002) reproduces the crimes against humanity listed in the 1998 ICC Statute, including:
persecution against any identifiable group or collectivity on political, racial, national, ethnic, cultural, religious, gender … or other grounds that are universally recognized as impermissible under international law, in connection with any act referred to in this paragraph or any crime within the jurisdiction of the Court. 
South Africa, ICC Act, 2002, Schedule 1, Part 2, § 1(h).
South Africa’s LOAC Manual (1996) provides that “segregation and other inhuman and degrading practices involving outrages upon personal dignity based on racial discrimination” is a grave breach of the 1949 Geneva Conventions and their 1977 Additional Protocols. 
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, § 38(b).
South Africa’s ICC Act (2002) reproduces the crimes against humanity listed in the 1998 ICC Statute, including the crime of apartheid. 
South Africa, ICC Act, 2002, Schedule 1, Part 2, § 1(j).