(ii)
duty shall be paid on the merchandise before the 61st day after the date of exportation, except that such duties may be waived or reduced by—
(I)
100 percent during the 8-year period beginning on January 1, 2004,
(II)
75 percent during the 1-year period beginning on January 1, 2012,
(III)
50 percent during the 1-year period beginning on January 1, 2013, and
(IV)
25 percent during the 1-year period beginning on January 1, 2014.
Merchandise may be withdrawn from bonded warehouse for consumption, or for exportation to Canada if the duty exemption under paragraph (4) of the preceding sentence does not apply, upon the payment of duties accruing thereon, in its condition and quantity, and at its weight, at the time of withdrawal from warehouse, with such additions to or deductions from the final appraised value as may be necessary by reason of change in condition. The basis for the assessment of duties on such merchandise so withdrawn for consumption shall be the adjusted final appraised value, and if the rate of duty is based upon or regulated in any manner by the value of the merchandise, such rate shall be based upon or regulated by such adjusted final appraised value. The scouring or carbonizing of wool shall not be considered a process of manufacture within the provisions of this section. Under such regulations as the Secretary of the Treasury shall prescribe, imported merchandise which has been entered and which has remained in continuous customs custody may be manipulated in accordance with the provisions of this section under customs supervision and at the risk and expense of the consignee, but elsewhere than in a bonded warehouse, in cases where neither the protection of the revenue nor the proper conduct of customs business requires that such manipulation be done in bonded warehouse.