; (II) the covered voyage shall be considered to be a reference to the qualified importing voyage; and (III) the port of origin shall be considered to be a reference to the port at which the cargo or freight bound for the United States was onboarded. (B) Fee (i) In general Beginning on January 1, 2024, not later than 30 days after the date on which the Administrator receives from an importer described in subparagraph (A)(i) the information required to be submitted under that subparagraph, the Administrator, in conjunction with the Secretary of the Treasury, shall assess on the importer the fee described in subsection (b) in accordance with that subsection, but the amount of that fee shall be adjusted as follows: (I) The amount of the fee shall be prorated for the share (by mass) of the cargo or freight on the vessel making the qualified importing voyage that is ultimately bound for the United States that is being imported by the importer. (II) After the adjustment described in subclause (I), the amount of the fee shall be reduced by the amount of the fee, if any, otherwise assessed on the qualified importing voyage pursuant to subsection (b). (ii) Treatment For purposes of clause (i), any reference in subsection (b) to the covered voyage shall be considered to be a reference to the qualified importing voyage. (C) Deadlines (i) In general An importer described in subparagraph (A)(i) may not import the cargo or freight from a qualified importing voyage into the United States until the importer— (I) submits the information required under subparagraph (A)