[Code of Federal Regulations] [Title 19, Volume 2] [Revised as of April 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 19CFR151.55] [Page 194] TITLE 19--CUSTOMS DUTIES CHAPTER I--UNITED STATES CUSTOMS SERVICE, DEPARTMENT OF THE TREASURY PART 151--EXAMINATION, SAMPLING, AND TESTING OF MERCHANDISE--Table of Contents Subpart D--Metal-Bearing Ores and Other Metal-Bearing Materials Sec. 151.55 Deductions for loss during processing. Deductions for the loss of copper, lead, or zinc content during processing, as authorized by Chapter 26, Additional U.S. Note 1, Harmonized Tariff Schedule of the United States (19 U.S.C. 1202), shall be made by the port director in the liquidation of any entry only if the importer has followed the procedures set forth in that headnote. See Secs. 19.17 through 19.25 of this chapter for procedures applicable to bonded smelting and refining warehouses. [T.D. 73-175, 38 FR 17470, July 2, 1973, as amended by T.D. 89-1, 53 FR 51269, Dec. 21, 1988]