 The act mentions the United Nations Security Council prohibiting states from exporting weapons to countries affected by diamond conflicts, in addition to mandating that states prohibit importation of rough diamonds from Sierra Leone and Liberia (3).The United States subsequently restricted the importation of diamonds to those containing a certificate of origin.Section 4 describes the measures for the importation and exportation of rough diamonds, addressing prohibition of diamonds not controlled through the KPCS and the ability of the president to waive requirements in certain circumstances.