LAW ON THE ESTABLISHMENT OF EXTRAORDINARY CHAMBERS IN THE COURTS OF CAMBODIA FOR THE PROSECUTION OF CRIMES COMMITTED DURING THE PERIOD OF DEMOCRATIC KAMPUCHEA
CHAPTER II - COMPETENCE
Article 4
The acts of genocide, which have no statute of limitations, mean any acts committed with the intent to destroy, in whole or in part, a national, ethnical, racial or religious group such as:
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causing serious bodily or mental harm to members of the group;
Causing serious bodily or mental harm to members of the group
EDIT.