Customs Documents Law and Legal Definition
According to 19 CFR 103.21 [Title 19 -- Customs Duties; Chapter I -- U.S. Customs and Border Protection, Department of Homeland Security; Department of the Treasury; Part 103 -- Availability of Information; Subpart B -- Production or Disclosure in Federal, State, Local, and Foreign Proceedings], customs documents includes any document (including copies thereof), no matter what media, produced by, obtained by, furnished to, or coming to the knowledge of, any Customs employee while acting in his/her official capacity, or because of his/her official status, with respect to the administration or enforcement of laws administered or enforced by the Customs Service.