Such term shall include any corporation entitled to use a carryforward of disallowed interest described in section 381(c)(20). . (c) Effective date The amendments made by this section shall apply to taxable years beginning after December 31, 2017. 13302. Modification of net operating loss deduction (a) Limitation on deduction (1) In general Section 172(a) is amended to read as follows: (a) Deduction allowed There shall be allowed as a deduction for the taxable year an amount equal to the lesser of— (1) the aggregate of the net operating loss carryovers to such year, plus the net operating loss carrybacks to such year, or (2) 90 percent (80 percent in the case of taxable years beginning after December 31, 2022) of taxable income computed without regard to the deduction allowable under this section. For purposes of this subtitle, the term net operating loss deduction means the deduction allowed by this subsection. . (2) Coordination of limitation with carrybacks and carryovers Section 172(b)(2) is amended by striking shall be computed— and all that follows and inserting shall— (A) be computed with the modifications specified in subsection (d) other than paragraphs (1), (4), and (5) thereof, and by determining the amount of the net operating loss deduction without regard to the net operating loss for the loss year or for any taxable year thereafter, (B) not be considered to be less than zero, and (C) not exceed the amount determined under subsection (a)(2) for such prior taxable year. . (3) Conforming amendment Section 172(d)(6) is amended by striking and at the end of subparagraph (A), by striking the period at the end of subparagraph (B) and inserting