Conforming amendments Section 40A(f) of such Code is amended— (i) by striking Subsection (b)(4) in paragraph (2) and inserting Subsection (b) , and (ii) by striking paragraph (4) and inserting the following: (4) Certain aviation fuel Except as provided paragraph (3)(B), the term renewable diesel shall include fuel derived from biomass which meets the requirements of a Department of Defense specification for military jet fuel or an American Society for Testing and Materials specification for aviation turbine fuel. . (5) Extension Subsection (g) of section 40A of such Code is amended by striking December 31, 2016 and inserting December 31, 2020 . (6) Clerical amendment The table of sections for subpart D of part IV of subchapter A of chapter 1 of such Code is amended by striking the item relating to section 40A and inserting the following new item: Sec. 40A. Biodiesel fuels credit. . (b) Excise tax credit (1) Reform Subsection (c) of section 6426 of the Internal Revenue Code of 1986 is amended to read as follows: (c) Biodiesel production credit (1) In general For purposes of this section, the biodiesel production credit is $1.00 for each gallon of biodiesel produced by the taxpayer and which— (A) is sold by such taxpayer to another person— (i) for use by such other person’s trade or business as a fuel or in the production of a qualified biodiesel mixture (other than casual off-farm production), or (ii) who sells such biodiesel at retail to another person and places such biodiesel in the fuel tank of such other person, or (B) is used by such taxpayer for any purpose described in subparagraph (A). (2) Definitions Any term used in this subsection which is also used in section 40A shall have the meaning given such term by section 40A. (3) Termination This subsection shall not apply to any sale, use, or removal after December 31, 2020. . (2) Producer registration requirement Subsection (a) of section 6426 of such Code is amended by striking subsections (d) and (e) in the flush sentence at the end and inserting