Certificate of Origin requirements mandate submission and retention of origin documents and permit targeted pre-export verification. Rule 17 requires the final producer, manufacturer or exporter to submit the minimum information set (per Annex 6) and the corresponding commercial invoice or other origin-establishing documents for a Certificate of Origin; approved exporters must retain those documents; the product description and tariff classification must match the commercial invoice; and the issuing authority may use risk management to conduct selective pre-export verification, including cost sheets and factory visits.