§151.71. Laboratory testing for clean yield. — Inbound Citations

Duties on wool or hair subject to duty at a rate per clean kilogram may be estimated at the time of filing the entry summary on the basis of the clean yield shown on the entry summary if the Center director is satisfied that the revenue will be properly protected. Liquidated duties shall be based upon the Center director's final determination of clean yield. Estimated and liquidated duties on wool or hair tested for clean yield pursuant to the provisions of § 151.71, and withdrawn for consumption without a change in condition which affects the duties and in a quantity less than an entire sampling unit shall be determined on the basis of an appropriate adjustment of the estimated percentage clean yield shown on the entry summary for the wool or hair included in each of the lots covered by the withdrawal. This adjustment shall be made by increasing or decreasing such estimated percentage clean yield of each lot by the difference between the percentage clean yield of the related sampling unit, as determined by the Center director, and the weighted average percentage clean yield for the sampling unit, as computed from the estimated percentages clean yield and net weights shown on the entry summary for the lots included in the sampling unit.

A general sample shall be taken from each sampling unit, unless it is not feasible to obtain a representative general sample of the wool or hair in a sampling unit or to test such a sample in accordance with the provisions of § 151.71. At the request of the importer, two general samples may be taken from a sampling unit if the taking and testing of a second general sample is feasible. If two general samples are taken, one general sample shall be held for use in making a second test for clean yield if such a test is requested in accordance with the provisions of § 151.71(c), or if a second test is found desirable by the Center director or the chief chemist.

If the Center director is not satisfied with the results of any test provided for in § 151.71 or § 151.73, he may, within 14 calendar days after receiving the report of the results of such test, proceed to have another test made upon a suitable sample of the wool or hair at the expense of the Government. When the Center director is proceeding to have another test made, he shall, within the 14-day period specified in this paragraph, notify the importer by mail of that fact.

A general sample shall be taken from each sampling unit, unless it is not feasible to obtain a representative general sample of the wool or hair in a sampling unit or to test such a sample in accordance with the provisions of § 151.71. At the request of the importer, two general samples may be taken from a sampling unit if the taking and testing of a second general sample is feasible. If two general samples are taken, one general sample shall be held for use in making a second test for clean yield if such a test is requested in accordance with the provisions of § 151.71(c), or if a second test is found desirable by the Center director or the chief chemist.

(a) If the importer is dissatisfied with the results of a retest made in accordance with § 151.71(c), he may request that a commercial test be made to determine the percentage clean yield of the wool or hair.