104 STAT. 1388-426 PUBLIC LAW 101-508 —NOV. 5, 1990 (E)(i) Paragraph (1) of section 4041(k) is amended by striking subparagraphs (A), (B), and (C) and inserting the following new subparagraphs: "(A) the Highway Trust Fund financing rates under paragraphs (1) and (2) of subsection (a) shall be the comparable rates under sections 4081(c) and 4091(c), as the case may be, "(B) no tax shall be imposed by subsection (c)(1), and "(C) no tax shall be imposed by subsection (c)(2)." (ii) Subsection (q) of section 6427 is amended to read as follows: "(q) GASOHOL USED IN NONCOMMERCIAL AVIATION.— Except as provided in subsection (k), if— "(1) any tax is imposed by section 4081 at a rate determined under subsection (c) thereof on gasohol (as defined in such subsection), and "(2) such gasohol is used as a fuel in any aircraft in noncommercial aviation (as defined in section 4041(c)(4)), the Secretary shall pay (without interest) to the ultimate purchaser of such gasohol an amount equal to 1.4 cents (2 cents in the case of a mixture none of the alcohol in which consists of ethanol) multiplied by the number of gallons of gasohol so used." (F) Subparagraph (A) of section 4041(m)(l) is amended to read as follows: "(A) under subsection (a)(2) the Highway Trust Fund financing rate shall be 5.75 cents per gallon and the deficit reduction rate shall be 1.25 cents per gallon, and". (G) Subsection (d) of section 9502 is amended by adding at the end thereof the following new paragraph: " (4) TRANSFERS FOR REFUNDS AND CREDITS NOT TO EXCEED TRUST FUND REVENUES ATTRIBUTABLE TO FUEL USED.— The amounts payable from the Airport and Airway Trust Fund under paragraph (2) or (3) shall not exceed the amounts required to be appropriated to such Trust Fund with respect to fuel so used." (H) Subparagraph (D) of section 9503(c)(4) is amended by striking "(to the extent attributable to the Highway Trust Fund financing rate)" and by inserting before the period ", but only to the extent such taxes are attributable to the Highway Trust Fund financing rates under such sections". 26 USC 4041 (7) EFFECTIVE DATE. — The amendments made by this subsec- "°*®- tion shall take effect on December 1, 1990. (c) EXTENSION OF TAXES.— The following provisions are each amended by striking "1993" each place it appears and inserting " 1995": (1) Section 4051(c) (relating to tax on heavy trucks and trailers sold at retail). (2) Section 4071(d) (relating to tax on tires and tread rubber). (3) Section 4081(d)(l) (relating to gasoline tax). (4) Section 4091(b)(6)(A) (relating to diesel fuel tax), as redesignated by subsection (b). (5) Sections 4481(e), 4482(c)(4), and 4482(d) (relating to highway use tax). (d) EXTENSION OF EXEMPTIONS.—The following provisions are each amended by striking "1993" each place it appears and inserting " 1995": (1) Section 4041(f)(3) (relating to exemptions for farm use). (2) Section 4041(g) (relating to other exemptions).