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 subsections (c), (d), and (e) . (3) Recapture (A) In general Subsection (f) of section 6426 of such Code is amended— (i) by striking or biodiesel each place it appears in subparagraphs (A) and (B)(i) of paragraph (1), (ii) by striking or biodiesel mixture in paragraph (1)(A), and (iii) by redesignating paragraph (2) as paragraph (3) and by inserting after paragraph (1) the following new paragraph: (2) Biodiesel If any credit was determined under this section or paid pursuant to section 6427(e) with respect to the production of any biodiesel and any person uses such biodiesel for a purpose not described in subsection (c)(1), then there is hereby imposed on such person a tax equal to $1 for each gallon of such biodiesel. . (B) Conforming amendments (i) Paragraph (3) of section 6426(f) of such Code, as redesignated by subparagraph (A)(iii), is amended by inserting or (2) after paragraph (1) . (ii) The heading for paragraph (1) of section 6426(f) of such Code is amended by striking Imposition of tax and inserting In general . (4) Limitation Section 6426(i) of such Code is amended— (A) in paragraph (2)— (i) by striking biodiesel or , and (ii) by striking Biodiesel and in the heading, and (B) by inserting after paragraph (2) the following new paragraph: (3) Biodiesel No credit shall be determined under subsection (a) with respect to biodiesel unless such biodiesel is produced in the United States from qualified feedstocks (as defined in section 40A(d)(5)(B)). . (5) Clerical amendments (A) The heading of section 6426 of such Code is amended by striking alcohol fuel, biodiesel, and alternative fuel mixtures and inserting alcohol fuel mixtures, biodiesel production, and alternative fuel mixtures . (B) The item relating to section 6426 in the table of sections for subchapter B