; and (7) in subsection (f)(2)(B), by inserting or qualified nuclear affected community investments after qualified low-income community investments . (b) First-Time homebuyer credit (1) In general Section 36 of the Internal Revenue Code of 1986 is amended— (A) by inserting for nuclear affected communities after credit in the heading; (B) in subsection (a), by striking in the United States and inserting in a nuclear affected community ; (C) in subsection (b), by striking paragraphs (2) and (3) and redesignating paragraph (4) as paragraph (2); (D) in subsection (c), by striking paragraph (4) and by inserting after paragraph (3) the following new paragraph: (4) Nuclear affected community The term nuclear affected community means an affected community, as defined in section 3(2) of the STRANDED Act of 2017 . ; and (E) by striking subsections (f), (g), and (h). (2) Clerical amendment The table of sections for subpart C of part IV of subchapter A of chapter 1 of such Code is amended by striking the item relating to section 36 and inserting the following new item: Sec. 36. First-time homebuyer credit for nuclear affected communities. . (c) Effective dates (1) New markets tax credit The amendments made by subsection (a) shall apply to allocations of credits under section 45D of the Internal Revenue Code of 1986 in calendar years beginning after the date of the enactment of this Act. (2) First-time homebuyer credit The amendments made by subsection (b) shall apply to the purchase of a principal residence after the date of the enactment of this Act. 8. Authorization of appropriations (a) In general There is authorized to be appropriated to carry out this Act $100,000,000 for each of fiscal years 2018 through 2024. (b) No offset None of the funds made available under this section may be used to offset the funding for any other Federal program.