(a) Verification. The Agency reserves the right to verify all payment applications and subsequent payments made under this subpart, as frequently as necessary, to ensure the integrity of the Program. The Agency will conduct site visits as necessary.

(1) Production and feedstock verification. The Agency will review producer records to verify the type and amount of biofuel produced and the type and amount of commodity/eligible renewable biomass used.

(2) Blending verification. The Agency will review the producer's certificates of analysis and feedstock records to verify the portion of the advanced biofuel eligible for payment.

(3) Certificate of Analysis. The Agency will review the producer records for quarterly payments to ensure that each Certificate of Analysis has been issued by an Agency-approved qualified entity, which may include the blender only if the blender is not associated with the biorefinery.

(b) Records. For the purpose of verifying compliance with the requirements of this subpart, each eligible advanced biofuel producer shall make available at one place at a reasonable time for examination by representatives of USDA, all books, papers, records, contracts, scale tickets, settlement sheets, invoices, written price quotations, and other documents related to the Program that is within the control of such advanced biofuel producer for not less than 3 years from each Program payment date.