26 U.S.C. § 6427: Fuels not used for taxable purposes

the amount of tax imposed on the sale of the fuel to him, reduced by if he uses the fuel, the amount of tax which would have been imposed under section 4041 on such use if no tax under section 4041 had been imposed on the sale of the fuel. furnishing (for compensation) passenger land transportation available to the general public, or the transportation of students and employees of schools (as defined in the last sentence of section 4221(d)(7)(C)), Except as provided in subparagraphs (B) and (C), the rate of tax taken into account under paragraph (1) shall be 7.4 cents per gallon less than the aggregate rate at which tax was imposed on such fuel by section 4041(a) or 4081, as the case may be. Subparagraph (A) shall not apply to fuel used in an automobile bus while engaged in the transportation described in paragraph (1)(B). which is available to the general public, and which is scheduled and along regular routes, which has a seating capacity of at least 20 adults (not including the driver), and which is under contract (or is receiving more than a nominal subsidy) from any State or local government (as defined in section 4221(d)) to furnish such transportation. Paragraph (1)(A) shall not apply in respect of fuel used in any automobile bus while engaged in furnishing transportation which is not scheduled and not along regular routes unless the seating capacity of such bus is at least 20 adults (not including the driver). is registered under section 4101, and meets the requirements of subparagraph (A), (B), or (D) of section 6416(a)(1). Except as provided in subsection (k), if any fuel on the sale of which tax was imposed under paragraph (2) or (3) of section 4041(a) or section 4041(c) is used on a farm for farming purposes (within the meaning of section 6420(c)), the Secretary shall pay (without interest) to the purchaser an amount equal to the amount of the tax imposed on the sale of the fuel. For purposes of this subsection, if fuel is used on a farm by any person other than the owner, tenant, or operator of such farm, the rules of paragraph (4) of section 6420(c) shall be applied (except that “liquid taxable under section 4041” shall be substituted for “gasoline” each place it appears in such paragraph (4)). any gasoline on which tax was imposed by section 4081, or any fuel on the sale of which tax was imposed under section 4041, If any person produces a mixture described in section 6426 in such person’s trade or business, the Secretary shall pay (without interest) to such person an amount equal to the alcohol fuel mixture credit or the biodiesel mixture credit or the alternative fuel mixture credit or the sustainable aviation fuel mixture credit with respect to such mixture. If any person sells or uses an alternative fuel (as defined in section 6426(d)(2)) for a purpose described in section 6426(d)(1) in such person’s trade or business, the Secretary shall pay (without interest) to such person an amount equal to the alternative fuel credit with respect to such fuel. No amount shall be payable under paragraph (1) or (2) with respect to any mixture or alternative fuel with respect to which an amount is allowed as a credit under section 6426. The Secretary shall not make any payment under this subsection to any person with respect to any alternative fuel credit or alternative fuel mixture credit unless the person is registered under section 4101. No amount shall be payable under paragraph (1) or (2) with respect to any mixture or alternative fuel if credit is not allowed with respect to such mixture or alternative fuel by reason of section 6426(i). any alcohol fuel mixture (as defined in section 6426(b)(3)) sold or used after December 31, 2011 , any biodiesel mixture (as defined in section 6426(c)(3)) sold or used after December 31, 2024 , any alternative fuel (as defined in section 6426(d)(2)) sold or used after December 31, 2024 , any alternative fuel mixture (as defined in section 6426(e)(2)) sold or used after December 31, 2011 , and any qualified mixture of sustainable aviation fuel (as defined in section 6426(k)(3)) 1 sold or used after 1 See References in Text note below. December 31, 2024 . Except as provided in subsection (k), if any gasoline blend stock or additive (within the meaning of section 4083(a)(2)) is not used by any person to produce gasoline and such person establishes that the ultimate use of such gasoline blend stock or additive is not to produce gasoline, the Secretary shall pay (without interest) to such person an amount equal to the aggregate amount of the tax imposed on such person with respect to such gasoline blend stock or additive. Except as provided in subsection (k), if any diesel fuel blend stock is not used by any person to produce diesel fuel and such person establishes that the ultimate use of such diesel fuel blend stock is not to produce diesel fuel, the Secretary shall pay (without interest) to such person an amount equal to the aggregate amount of the tax imposed on such person with respect to such diesel fuel blend stock. Except as otherwise provided in this subsection, not more than one claim may be filed under subsection (a), (b), (c), (d), (h), ( l ), (m), or ( o ) by any person with respect to fuel used during his taxable year; and no claim shall be allowed under this paragraph with respect to fuel used during any taxable year unless filed by the purchaser not later than the time prescribed by law for filing a claim for credit or refund of overpayment of income tax for such taxable year. For purposes of this paragraph, a person’s taxable year shall be his taxable year for purposes of subtitle A. such quarter, or any prior quarter (for which no other claim has been filed) during such taxable year, No claim filed under this paragraph shall be allowed unless filed during the first quarter following the last quarter included in the claim. This paragraph shall not apply to any fuel used solely in any off-highway business use described in section 6421(e)(2)(C). for which $200 or more is payable under such subsection (e)(1) or (e)(2), and which is not less than 1 week. Notwithstanding subsection (e)(1) or (e)(2), if the Secretary has not paid pursuant to a claim filed under this section within 45 days of the date of the filing of such claim (20 days in the case of an electronic claim), the claim shall be paid with interest from such date determined by using the overpayment rate and method under section 6621. No claim filed under this paragraph shall be allowed unless filed on or before the last day of the first quarter following the earliest quarter included in the claim. for which $200 or more ($100 or more in the case of kerosene) is payable under paragraph (4)(C) or (5) of subsection ( l ), and which is not less than 1 week. No claim filed under this paragraph shall be allowed unless filed on or before the last day of the first quarter following the earliest quarter included in the claim. All provisions of law, including penalties, applicable in respect of the taxes imposed by sections 4041 and 4081 shall, insofar as applicable and not inconsistent with this section, apply in respect of the payments provided for in this section to the same extent as if such payments constituted refunds of overpayments of the tax so imposed. For the purpose of ascertaining the correctness of any claim made under this section, or the correctness of any payment made in respect of any such claim, the Secretary shall have the authority granted by paragraphs (1), (2), and (3) of section 7602(a) (relating to examination of books and witnesses) as if the claimant were the person liable for tax. the United States or an agency or instrumentality thereof, a State, a political subdivision of a State, or any agency or instrumentality of one or more States or political subdivisions, or an organization exempt from tax under section 501(a) (other than an organization required to make a return of the tax imposed under subtitle A for its taxable year). Paragraph (1) shall not apply to a payment of a claim filed under paragraph (2), (3), or (4) of subsection (i). For allowances of credit against the income tax imposed by subtitle A for fuel used or resold by the purchaser, see section 34. Except as otherwise provided in this subsection and in subsection (k), if any diesel fuel or kerosene on which tax has been imposed by section 4041 or 4081 is used by any person in a nontaxable use, the Secretary shall pay (without interest) to the ultimate purchaser of such fuel an amount equal to the aggregate amount of tax imposed on such fuel under section 4041 or 4081, as the case may be, reduced by any payment made to the ultimate vendor under paragraph (4)(C)(i). For purposes of this subsection, the term “nontaxable use” means any use which is exempt from the tax imposed by section 4041(a)(1) other than by reason of a prior imposition of tax. the Leaking Underground Storage Tank Trust Fund financing rate under sections 4041 and 4081, and so much of the rate specified in section 4081(a)(2)(A) as does not exceed the rate applicable under section 4041(a)(1)(C)(ii). the Leaking Underground Storage Tank Trust Fund financing rate imposed by such section, and so much of the rate of tax specified in section 4041(c) or 4081(a)(2)(A)(iii), as the case may be, as does not exceed 4.3 cents per gallon. any tax imposed by subsection (c) or (d)(2) of section 4041, and the Leaking Underground Storage Tank Trust Fund financing rate imposed by such section, and so much of the rate of tax specified in section 4081(a)(2)(A)(iii) as does not exceed the rate specified in section 4081(a)(2)(C)(ii). is registered under section 4101, and meets the requirements of subparagraph (A), (B), or (D) of section 6416(a)(1). is registered under section 4101, and meets the requirements of subparagraph (A), (B), or (D) of section 6416(a)(1). Paragraph (1) shall not apply to diesel fuel or kerosene used by a State or local government. for any use if such sale is from a pump which (as determined under regulations prescribed by the Secretary) is not suitable for use in fueling any diesel-powered highway vehicle or train, or to the extent provided by the Secretary, for blending with heating oil to be used during periods of extreme or unseasonable cold. is registered under section 4101, and meets the requirements of subparagraph (A), (B), or (D) of section 6416(a)(1). For purposes of this paragraph, if the purchase of any fuel described in subparagraph (A) (determined without regard to the registration status of the ultimate vendor) is made by means of a credit card issued to the ultimate purchaser, the Secretary shall pay to the person extending the credit to the ultimate purchaser the amount which would have been paid under paragraph (1) (but for subparagraph (A)), but only if such person meets the requirements of clauses (i), (ii), and (iii) of section 6416(a)(4)(B). If such clause (i), (ii), or (iii) is not met by such person extending the credit to the ultimate purchaser, then such person shall collect an amount equal to the tax from the ultimate purchaser and only such ultimate purchaser may claim such amount. Except as provided in subsection (k), if any diesel fuel on which tax was imposed by section 4081 at the regular tax rate is used by any person in producing an emulsion described in section 4081(a)(2)(D) which is sold or used in such person’s trade or business, the Secretary shall pay (without interest) to such person an amount equal to the excess of the regular tax rate over the incentive tax rate with respect to such fuel. The term “regular tax rate” means the aggregate rate of tax imposed by section 4081 determined without regard to section 4081(a)(2)(D). The term “incentive tax rate” means the aggregate rate of tax imposed by section 4081 determined with regard to section 4081(a)(2)(D). The Secretary may by regulations prescribe the conditions, not inconsistent with the provisions of this section, under which payments may be made under this section. For purposes of subsections (a), (b), and (c), the taxes imposed by section 4041(d) shall be treated as imposed by section 4041(a). For civil penalty for excessive claims under this section, see section 6675. For fraud penalties, etc., see chapter 75 (section 7201 and following, relating to crimes, other offenses, and forfeitures). For treatment of an Indian tribal government as a State (and a subdivision of an Indian tribal government as a political subdivision of a State), see section 7871. The amendments made by this section [amending this section and sections 4082, 9502, and 9503 of this title] shall apply to kerosene sold after September 30, 2005 . In the case of kerosene sold for use in aviation (other than kerosene to which section 6427( l )(4)(C)(ii) of the Internal Revenue Code of 1986 (as added by subsection (a)) applies or kerosene to which section 6427( l )(5) of such Code (as redesignated by subsection (b)) applies) after September 30, 2005 , and before the date of the enactment of this Act [ Dec. 20, 2006 ], the ultimate purchaser shall be treated as having waived the right to payment under section 6427( l )(1) of such Code and as having assigned such right to the ultimate vendor if such ultimate vendor has met the requirements of subparagraph (A), (B), or (D) of section 6416(a)(1) of such Code.” The amendments made by subsection (d) [amending this section and sections 39 [now 34], 4081, 7210, 7603, 7604, 7605, 7609, and 7610 of this title] shall take effect on January 1, 1979 . Any mixture sold or used on or after January 1, 1979 , and before the date of the enactment of this Act [ Apr. 2, 1980 ] which is described in section 6427(f)(1) of the Internal Revenue Code of 1986 [formerly I.R.C. 1954] (as amended by subsection (d)) shall, for purposes of section 6427 of such Code, be treated as sold or used on the date of the enactment of this Act.” The Secretary of the Treasury shall pay to the ultimate purchaser of any kerosene which is used in aviation on a farm for farming purposes and which was purchased after December 31, 2004 , and before October 1, 2005 , an amount equal to the aggregate amount of tax imposed on such fuel under section 4041 or 4081 of the Internal Revenue Code of 1986, as the case may be, reduced by any payment to the ultimate vendor under section 6427( l )(5)(C) of such Code (as in effect on the day before the date of the enactment of the Safe, Accountable, Flexible, Efficient Transportation Equity Act: a Legacy for Users [ Aug. 10, 2005 ]). For purposes of paragraph (1), kerosene shall be treated as used on a farm for farming purposes if such kerosene is used for farming purposes (within the meaning of section 6420(c)(3) of the Internal Revenue Code of 1986) in carrying on a trade or business on a farm situated in the United States. For purposes of the preceding sentence, rules similar to the rules of section 6420(c)(4) of such Code shall apply. No claim shall be allowed under paragraph (1) unless the ultimate purchaser files such claim before the date that is 3 months after the date of the enactment of this Act [ Dec. 20, 2006 ]. No amount shall be paid under paragraph (1) or section 6427( l ) of the Internal Revenue Code of 1986 with respect to any kerosene described in paragraph (1) to the extent that such amount is in excess of the tax imposed on such kerosene under section 4041 or 4081 of such Code, as the case may be. For purposes of this subsection, rules similar to the rules of section 6427(j) of the Internal Revenue Code of 1986 shall apply.”