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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 19
Chapter I
Part 151
Subpart D - Subpart D—Metal-Bearing Ores and Other Metal-Bearing Materials
§ 151.51 - Sampling requirements.
§ 151.52 - Sampling procedures.
§ 151.53 - Sample lockers.
§ 151.54 - Testing by Customs laboratory.
§ 151.55 - Deductions for loss during processing.
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