calendar year, determined by substituting calendar year 2020 for calendar year 2016 in subparagraph (A)(ii) thereof. Any increase determined under this clause shall be rounded to the nearest multiple of $100,000. (4) Application of certain rules Rules similar to the rules of subparagraphs (A), (B), (C), and (D) of subsection (a)(4) shall apply for purposes of this subsection. (d) Treatment of payments For purposes of section 1324 of title 31, United States Code, the payments under this section shall be treated in the same manner as a refund due from a credit provision referred to in subsection (b)(2) of such section. . (b) Clerical amendment The table of sections for chapter 77 of such Code is amended by adding at the end the following new item: Sec. 7529. Application of earned income tax credit to possessions of the United States. . 105. Low-income housing credit allocations for Puerto Rico (a) In general For purposes of section 42 of the Internal Revenue Code of 1986, the State housing credit ceiling for Puerto Rico for calendar year 2020 shall be increased by $50,000,000. (b) Qualified Puerto Rico disaster zones treated as difficult development areas (1) In general For purposes of section 42 of the Internal Revenue Code of 1986, in the case of a qualified building placed in service in a qualified Puerto Rico disaster zone (as defined in section 102), such area shall be treated as a difficult development area under subclause (I) of section 42(d)(5)(B)(iii) but shall not be taken into account for purposes of applying the limitation under subclause (II) of such section. (2) Qualified building For purposes of this subsection, the term qualified building means any building which is allocated a housing credit dollar amount during calendar year 2020 or 2021. (3) Other definitions Terms used in this section which are also used in section 42 of the Internal Revenue Code of 1986 shall have the same meaning when used in this section as when used in such section 42. 106. New markets tax credit allocations for Puerto Rico