(b) Modified environmental tax taxable income For purposes of this section, the term modified environmental tax taxable income means taxable income determined without regard to— (1) the net operating loss deduction allowable under section 172, and (2) the deduction allowed under section 164(a)(5). (c) Exception for RICs and REITs The tax imposed by subsection (a) shall not apply to— (1) a regulated investment company to which part I of subchapter M applies, and (2) a real estate investment trust to which part II of subchapter M applies. (d) Special rules (1) Short taxable years The application of this section to taxable years of less than 12 months shall be in accordance with regulations prescribed by the Secretary. (2) Section 15 not to apply Section 15 shall not apply to the tax imposed by this section. (e) Adjustment for inflation (1) In general In the case of a taxable year beginning after 2020, the dollar amount in subsection (a)(2) shall be increased by an amount equal to— (A) such amount, multiplied by (B) the cost-of-living adjustment determined under section 1(f)(3) for the calendar year in which the taxable year begins, determined by substituting calendar year 2019 for calendar year 2016 in subparagraph (A)(ii) thereof. (2) Rounding If any amount as adjusted under subparagraph (A) is not a multiple of $1,000, such amount shall be rounded to the next lowest multiple of $1,000. (f) Application of tax The tax imposed by this section shall apply to taxable years ending after the date of the enactment of the Superfund Reinvestment Act and beginning before January 1, 2029. . (2) Conforming amendments (A) Paragraph (2) of section 26(b) of such Code is amended by striking and at the end of subparagraph (X), by striking the period at the end of subparagraph (Y) and inserting , and , and by adding at the end the following new subparagraph: (Z) section 59B (relating to environmental tax). . (B) Subsection (a) of section 164 of such Code is amended by inserting after paragraph (4) the following: (5) The