The Department of the Treasury's Office of Foreign Assets Control (OFAC) is amending the Rough Diamonds Control Regulations to clarify several reporting requirements and remove another, clarify which entity may issue Kimberley Process Certificates for the export of rough diamonds from the United States, clarify the steps necessary to validate a Kimberley Process Certificate, add two definitions that define rough diamond packaging requirements and Kimberley Process voided certificates, and make certain technical and conforming changes to the penalties section of the regulations.