Related Rule
South Africa
Practice Relating to Rule 137. Participation of Child Soldiers in Hostilities
South Africa’s ICC Act (2002) reproduces the war crimes listed in the 1998 ICC Statute, including in both international and non-international armed conflicts: “using [children under the age of fifteen years] to participate actively in hostilities”. 
South Africa, ICC Act, 2002, Schedule 1, Part 3, §§ (b)(xxvi) and (e)(vii).
At the 27th International Conference of the Red Cross and Red Crescent in 1999, South Africa pledged “to promote the adoption of national and international standards prohibiting the military … participation in armed conflicts of persons under 18 years of age”. 
South Africa, Pledge made at the 27th International Conference of the Red Cross and Red Crescent, Geneva, 31 October–6 November 1999.