except that, in the case of a claim filed on or after the date of the enactment of the Black Lung Benefits Revenue Act of 1981, amounts will be available under this subparagraph only for benefits accruing after the date of such initial determination, or
For purposes of the preceding sentence, any reference to section 402(i), 422, or 4351 of the Black Lung Benefits Act shall be treated as a reference to such section as in effect immediately after the enactment of this section.
There shall not be taken into account under paragraph (1) so much of the taxes imposed by section 4081 as are determined at the rate specified in section 4081 (a)(2)(B).
for the airway system; or
Any reference in subparagraph (A) to an Act shall be treated as a reference to such Act and the corresponding provisions (if any) of title 49, United States Code, as such Act and provisions were in effect on the date of the enactment of the last Act referred to in subparagraph (A).
For purposes of this paragraph, taxes received under sections 4041 and 4081 shall be determined without reduction for credits under section 6426.
on the basis of claims filed for periods ending before October 1, 2011, and
The amounts payable from the Highway Trust Fund under this subparagraph or paragraph (3) shall be determined by taking into account only the portion of the taxes which are deposited into the Highway Trust Fund. Clauses (i)(III) and (ii) shall not apply to claims under section 6427 (e).
shall be transferred by the Secretary from the Highway Trust Fund into the Sport Fish Restoration and Boating Trust Fund.
Transfers under the preceding sentence shall be made on the basis of estimates by the Secretary, and proper adjustments shall be made in the amounts subsequently transferred to the extent prior estimates were in excess of or less than the amounts required to be transferred. Any amount allowed as a credit under section 34 by reason of paragraph (4) of section 6427 (l) shall be treated for purposes of subparagraphs (A) and (B) as a payment made by the Secretary under such paragraph.
If, but for this sentence, the most recent estimate would be one which was made on a date which will be more than 3 months before the date of the apportionment, the Secretary of the Treasury shall make a new estimate under paragraph (1) for the appropriate fiscal year.
The Secretary shall cancel obligations held by the Highway Trust Fund to reflect the reduction in the balance under this subsection.
Amounts transferred to such account under section 9503 (c)(5) may be used only for making expenditures described in subparagraph (C) of this paragraph.
In the case of the tax imposed by section 4611, paragraph (1) shall apply only to so much of such tax as is attributable to the Hazardous Substance Superfund financing rate under section 4611 (c).
For purposes of this subsection, there shall not be taken into account the taxes imposed by sections 4041 and 4081 on diesel fuel sold for use or used as fuel in a diesel-powered boat.