; bears to (BB) the aggregate of amounts collected in all States under such Federal internal revenue laws in such fiscal year. (II) Total apportionment After the adjustment described in subclause (I), the amount for each State determined under this subsection for each of fiscal years 2018, 2019, and 2020 shall be adjusted by a single multiplicative factor to ensure that the total amount apportioned will not be affected by this clause. (III) General Fund transfer amount defined In this clause, the term General Fund transfer amount means, for a fiscal year, the product obtained by multiplying the amount identified in section 9503(f)(8)(A) of the Internal Revenue Code of 1986 by the proportion that— (aa) the amount authorized for appropriation under section 1101(a)(1) of the FAST Act for that fiscal year; bears to (bb) the aggregate amount authorized for appropriation under section 1101(a)(1) of the FAST Act for fiscal years 2018, 2019, and 2020. .