[Code of Federal Regulations] [Title 19, Volume 2] [Revised as of April 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 19CFR152.17] [Page 202-203] TITLE 19--CUSTOMS DUTIES CHAPTER I--BUREAU OF CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY (CONTINUED) PART 152_CLASSIFICATION AND APPRAISEMENT OF MERCHANDISE--Table of Contents Subpart B_Classification Sec. 152.17 Changes in classification by Congress or by Presidential Proclamation. When a rate of Customs duty or internal revenue tax imposed upon or by reason of importation is changed by an act of Congress or by a proclamation of the President, the new rate shall be applied in accordance with the detailed instructions in Sec. 141.69 of this chapter, which provides in general that the rates of duty applicable to merchandise shall be those in effect on the date of [[Page 203]] entry or withdrawal for consumption, except for certain merchandise covered by an entry for immediate transportation or overcarried and returned to the port of entry.