19 C.F.R. § 18.27 Port marks.
Title 19 - Customs Duties
Port marks may be added by authority of the port director and under the supervision of a Customs officer. The original marks and the port marks shall appear in all papers pertaining to the exportation.
Title 19: Customs Duties
PART 18—TRANSPORTATION IN BOND AND MERCHANDISE IN TRANSIT
Exportation From Customs Custody of Merchandise Unentered or Covered by an Unliquidated Consumption Entry, or Merchandise Denied Admission by the Government
§ 18.27 Port marks.
