15 C.F.R. §30.60
Note to §30.60: Kimberley Process Certificates (KPCs), including voided KPCs, provided to the Census Bureau pursuant to the Clean Diamond Trade Act, Executive Order 13312, and this part are not considered EEI and are not confidential under Title 13. KPCs and voided KPCs may be protected from public disclosure by the Privacy Act or other applicable nondisclosure statutes.