[Code of Federal Regulations] [Title 19, Volume 2] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 19CFR159.33] [Page 230] TITLE 19--CUSTOMS DUTIES CHAPTER I--UNITED STATES CUSTOMS SERVICE, DEPARTMENT OF THE TREASURY PART 159--LIQUIDATION OF DUTIES--Table of Contents Subpart C--Conversion of Foreign Currency Sec. 159.33 Proclaimed rate. If a rate of exchange has been proclaimed by the Secretary of the Treasury in accordance with 31 U.S.C. 5151(b) for the currency involved, such proclaimed rate shall be used unless it varies by 5 percent or more from the certified daily rate for the date of exportation as set forth in Sec. 159.35. In determining the percentage of variation between the proclaimed rate and the certified rate, the difference between the two rates shall be divided by the certified rate. [T.D. 73-175, 38 FR 17482, July 2, 1973, as amended by T.D. 97-82, 62 FR 51771, Oct. 3, 1997]