Site Feedback

Title 19

Displaying title 19, up to date as of 7/16/2026. Title 19 was last amended 6/24/2026.
eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

Learn more about the eCFR, its status, and the editorial process.

Title 19Customs DutiesPart / Section
Chapter IU.S. Customs and Border Protection, Department of Homeland Security; Department of the Treasury0 – 199
Part 151Examination, Sampling, and Testing of Merchandise151.0 – 151.111
§ 151.0Scope.
Subpart AGeneral151.1 – 151.16
Subpart BSugars, Sirups, and Molasses151.21 – 151.31
Subpart CPetroleum and Petroleum Products151.41 – 151.47
Subpart DMetal-Bearing Ores and Other Metal-Bearing Materials151.51 – 151.55
§ 151.51Sampling requirements.
§ 151.52Sampling procedures.
§ 151.53Sample lockers.
§ 151.54Testing by Customs laboratory.
§ 151.55Deductions for loss during processing.
Subpart EWool and Hair151.61 – 151.76
Subpart FCotton151.81 – 151.85
§ 151.81Definition of staple length.
§ 151.82Information on invoices.
§ 151.83Method of sampling.
§ 151.84Determination of staple length.
§ 151.85Importer's request for redetermination.
Subpart GFruit Juices151.91
§ 151.91Brix values of unconcentrated natural fruit juices.
Subpart H [Reserved]
Subpart ICigars, Cigarillos, and Tobacco151.111
§ 151.111Cigars, cigarillos, and tobacco of Cuban origin.