                        TITLE 19--CUSTOMS DUTIES
 
                      CHAPTER 4--TARIFF ACT OF 1930
 
                 SUBTITLE III--ADMINISTRATIVE PROVISIONS
 
       Part III--Ascertainment, Collection, and Recovery of Duties
 
Sec. 1503. Dutiable value

    Except as provided in section 1520(c) of this title (relating to 
reliquidations on the basis of authorized corrections of errors) or 
section 1562 of this title (relating to withdrawal from manipulating 
warehouses), the basis for the assessment of duties on imported 
merchandise subject to ad valorem rates of duty or rates based upon or 
regulated in any manner by the value of the merchandise, shall be the 
appraised value determined upon liquidation, in accordance with section 
1500 of this title or any adjustment thereof made pursuant to section 
1501 of this title. Provided, however, That if reliquidation is required 
pursuant to a final judgment or order of the United States Court of 
International Trade which includes a reappraisement of imported 
merchandise, the basis for such assessment shall be the final appraised 
value determined by such court.

(June 17, 1930, ch. 497, title IV, Sec. 503, 46 Stat. 731; Aug. 8, 1953, 
ch. 397, Sec. 18(d), 67 Stat. 518; Pub. L. 91-271, title II, Sec. 206, 
June 2, 1970, 84 Stat. 284; Pub. L. 96-417, title VI, Sec. 601(4), Oct. 
10, 1980, 94 Stat. 1744.)


                            Prior Provisions

    Provisions somewhat similar to those in subsecs. (a) and (b) were 
contained in act Sept. 21, 1922, ch. 356, title IV, Sec. 503, 42 Stat. 
967. Provisions similar to former subsec. (b) relating to entries 
pending reappraisement were contained in act Sept. 21, 1922, ch. 356, 
title IV, Sec. 489, 42 Stat. 962. Both of the acts of 1922 were in part 
superseded by act June 17, 1930, comprising this section, and repealed 
by section 651(a)(1) of the 1930 act.
    A provision for assessment of duty on merchandise of different 
values when invoiced at an average price, was contained in R.S. 
Sec. 2910, prior to repeal by act Sept. 21, 1922, ch. 356, title IV, 
Sec. 642, 42 Stat. 989.


                               Amendments

    1980--Pub. L. 96-417 redesignated the United States Customs Court as 
the United States Court of International Trade.
    1970--Pub. L. 91-271 substituted provisions that, except as provided 
in section 1520(c) or 1562 of this title, the basis for the assessment 
of duties on imported merchandise be the appraised value determined upon 
liquidation, in accordance with section 1500 of this title or any 
adjustment thereof pursuant to section 1501 of this title, and be the 
final appraised value where reliquidation is required pursuant to a 
final judgment or order of the United States Customs Court, for 
provisions that, except as provided in section 1562 of this title, the 
basis for the assessment of duties on imported merchandise subject to ad 
valorem rates of duty be the final appraised value, and provisions that 
for the purpose of determining the rate of duty assessed upon any 
merchandise when the rate is based upon or regulated in any manner by 
the value of the merchandise, the final appraised value, except as 
provided in section 1562 of this title, be taken as the value of 
merchandise.
    1953--Subsec. (a). Act Aug. 8, 1953, struck out ``and in subdivision 
(b) of this section'' after reference to section 1562 of this title, 
``the entered value or'' after ``shall be'', and ``whichever is higher'' 
at the end.
    Subsecs. (b), (c). Act Aug. 8, 1953, redesignated subsec. (c) as 
(b). Former subsec. (b), which related to entries pending 
reappraisement, was repealed by act Aug. 8, 1953.


                    Effective Date of 1980 Amendment

    Amendment by Pub. L. 96-417 effective Nov. 1, 1980, and applicable 
with respect to civil actions pending on or commenced on or after such 
date, see section 701(a) of Pub. L. 96-417, set out as a note under 
section 251 of Title 28, Judiciary and Judicial Procedure.


                    Effective Date of 1970 Amendment

    For effective date of amendment by Pub. L. 91-271, see section 203 
of Pub. L. 91-271, set out as a note under section 1500 of this title.


           Effective Date of 1953 Amendment; Savings Provision

    Amendment by act Aug. 8, 1953, effective on and after the thirtieth 
day following Aug. 8, 1953, and savings provision, see notes set out 
under section 1304 of this title.
