The amendments made by this section shall apply to electricity produced and sold after December 31, 2023, in taxable years beginning after such date. 226. Repeal of sustainable aviation fuel credit (a) In general Subpart D of part IV of subchapter A of chapter 1 is amended by striking section 40B (and by striking the item relating to such section in the table of sections for such subpart). (b) Conforming amendment Section 38(b) is amended by striking paragraph (35). (c) Coordination with biodiesel removed (1) In general Section 40A(d)(1) is amended by striking or 40B . (2) Conforming amendment Section 40A(f) is amended by adding at the end the following: (4) Certain aviation fuel (A) In general Except as provided in the last 3 sentences of paragraph (3), 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 of Testing and Materials specification for aviation turbine fuel. (B) Application of mixture credits In the case of fuel which is treated as renewable diesel solely by reason of subparagraph (A), subsection (b)(1) and section 6426(c) shall be applied with respect to such fuel by treating kerosene as though it were diesel fuel. . (3) Sustainable aviation fuel credit provisions removed Section 6426 is amended by striking subsection (k). (d) Conforming amendments (1) Section 6426 is amended— (A) in subsection (a)(1), by striking (e), and (k) and inserting and (e) , and (B) in subsection (h), by striking under section 40, 40A, or 40B and inserting under section 40 or 40A . (2) Section 6427(e) is amended— (A) in the heading, by striking alternative fuel, or sustainable aviation fuel and inserting or alternative fuel , (B) in paragraph (1), by striking or the sustainable aviation fuel mixture credit , and (C) in paragraph (6)— (i) in subparagraph (C), by adding and at the end, (ii) in subparagraph (D), by striking , and and inserting a period, and (iii) by striking subparagraph (E). (3)