§151.52. Sampling procedures. — Inbound Citations

(d) Samples of the material shall be taken in accordance with the commercial method in effect at the plant if to be used in a bonded smelting warehouse, or in accordance with §§ 151.52 through 151.55 of this chapter if entered for consumption, and the copper content thereof shall be determined by the Government chemist in accordance with the assay.

(a) Except as provided in paragraph (b) of this section, when metal-bearing ores and other metal-bearing materials which are classifiable under Chapter 26, Harmonized Tariff Schedule of the United States (HTSUS) (19 U.S.C. 1202), are entered for consumption or warehousing at the port of first arrival, they shall be sampled for assay and moisture purposes in accordance with § 151.52. If proper facilities for weighing or sampling are not available at the port of entry, the merchandise shall be transported under bond to the place of sampling. The sampling or weighing of metal-bearing ores or materials at any place other than the port of entry shall be at the expense of the parties in interest.

Samples taken in accordance with § 151.52 shall be promptly forwarded to the appropriate Customs laboratory for testing in accordance with commercial methods. An authorized CBP official may secure from the importer a certified copy of the commercial settlement tests for moisture and for assay which shall be transmitted with the commercial samples to the Custom laboratory. If the Customs tests are not in substantial agreement with the settlement tests, the Customs laboratory director shall review his tests. The Customs tests shall be used in determining the final duties on the merchandise, except that the settlement tests shall be used if, in the opinion of the Customs laboratory director: