§ 2. Crimes
Section 6
3. Anyone who, in the case of an armed conflict not of an international character, commits one of the following acts:
(f) conscripting or enlisting children under the age of fifteen years into the national armed forces or armed groups or using them to participate actively in hostilities;
shall be liable to a term of imprisonment not exceeding fifteen years or a fifth category fine.

Article 8
War crimes
2. For the purpose of this Statute, "war crimes" means:
(e) Other serious violations of the laws and customs applicable in armed conflicts not of
an international character, within the established framework of international law, namely, any of
the following acts:
(vii) Conscripting or enlisting children under the age of fifteen years into armed forces or groups or using them to participate actively in hostilities

This provision follows the ICC Statute.