19 C.F.R. § 191.10
(a) Purpose; when required. A party who: imports and pays duty on imported merchandise; receives imported merchandise; in the case of 19 U.S.C. 1313(j)(2), receives imported merchandise, commercially interchangeable merchandise, or any combination of imported and commercially interchangeable merchandise; or receives an article manufactured or produced under 19 U.S.C. 1313(a) and/or (b): may transfer such merchandise or manufactured article to another party. The party shall record this transfer by preparing and issuing in favor of such other party a certificate of delivery, certified by the importer or other party through whose possession the merchandise or manufactured article passed (see paragraph (c) of this section). A certificate of delivery issued with respect to the delivered merchandise or article:
(b) Required information. The certificate of delivery must include the following information: