[Code of Federal Regulations] [Title 19, Volume 2] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 19CFR141.81] [Page 24] TITLE 19--CUSTOMS DUTIES CHAPTER I--UNITED STATES CUSTOMS SERVICE, DEPARTMENT OF THE TREASURY PART 141--ENTRY OF MERCHANDISE--Table of Contents Subpart F--Invoices Sec. 141.81 Invoice for each shipment. A commercial invoice shall be presented for each shipment of merchandise at the time the entry summary is filed, subject to the conditions set forth in these regulations. Except in the case of installment shipments provided for in Sec. 141.82, an invoice shall not represent more than one distinct shipment of merchandise by one consignor to one consignee by one vessel or conveyance. [T.D. 73-175, 38 FR 17447, July 2, 1973, as amended by T.D. 78-53, 43 FR 6069, Feb. 13, 1978; T.D. 79-221, 44 FR 46820, Aug. 9, 1979; T.D. 85-39, 50 FR 9612, Mar. 11, 1985; T.D. 93-66, 58 FR 44130, Aug. 19, 1993]