HR 4572 — Health Insurance Marketplace Affordability Act of 2021

(a) In general In the case of an applicable taxpayer, there shall be allowed as a credit against the tax imposed by this subtitle for any taxable year an amount equal to the premium assistance credit amount of the taxpayer for the taxable year. (b) Premium assistance credit amount For purposes of this section— (1) In general The term “premium assistance credit amount” means, with respect to any taxable year, the sum of the premium assistance amounts determined under paragraph (2) with respect to all coverage months of the taxpayer occurring during the taxable year. (2) Premium assistance amount The premium assistance amount determined under this subsection with respect to any coverage month is the amount equal to the lesser of— (A) the monthly premiums for such month for 1 or more qualified health plans offered in the individual market within a State which cover the taxpayer, the taxpayer’s spouse, or any dependent (as defined in section 152) of the taxpayer and which were enrolled in through an Exchange established by the State under 1311 1 of the Patient Protection and Affordable Care Act, or (B) the excess (if any) of— (i) the adjusted monthly premium for such month for the applicable second lowest cost silver plan with respect to the taxpayer, over (ii) an amount equal to 1/12 of the product of the applicable percentage and the taxpayer’s household income for the taxable year. (3) Other terms and rules relating to premium assistance amounts For purposes of paragraph (2)— (A) Applicable percentage (i) In general Except as provided in clause (ii), the applicable percentage for any taxable year shall be the percentage such that the applicable percentage for any taxpayer whose household income is within an income tier specified in the following table shall increase, on a sliding scale in a linear manner, from the initial premium percentage to the final premium percentage specified in such table for such income tier: In the case of household income (expressed as a percent of poverty line) within the following income tier: The initial premium percentage is— The final premium percentage is— Up to 133% 2.0% 2.0% 133% up to 150% 3.0% 4.0% 150% up to 200% 4.0% 6.3% 200% up to 250% 6.3% 8.05% 250% up to 300% 8.05% 9.5% 300% up to 400% 9.5% 9.5%. (ii) Indexing (I) In general Subject to subclause (II), in the case of taxable years beginning in any calendar year after 2014, the initial and final applicable percentages under clause (i) (as in effect for the preceding calendar year after application of this clause) shall be adjusted to reflect the excess of the rate of premium growth for the preceding calendar year over the rate of income growth for the preceding calendar year. (II) Additional adjustment Except as provided in subclause (III), in the case of any calendar year after 2018, the percentages described in subclause (I) shall, in addition to the adjustment under subclause (I), be adjusted to reflect the excess (if any) of the rate of premium growth estimated under subclause (I) for the preceding calendar year over the rate of growth in the consumer price index for the preceding calendar year. (III) Failsafe Subclause (II) shall apply for any calendar year only if the aggregate amount of premium tax credits under this section and cost-sharing reductions under section 1402 of the Patient Protection and Affordable Care Act for the preceding calendar year exceeds an amount equal to 0.504 percent of the gross domestic product for the preceding calendar year. (iii) Temporary percentages for 2021 through 2025 In the case of a taxable year beginning after December 31, 2020, and before January 1, 2026— (I) clause (ii) shall not apply for purposes of adjusting premium percentages under this subparagraph, and (II) the following table shall be applied in lieu of the table contained in clause (i): In the case of household income (expressed as a percent of poverty line) within the following income tier: The initial premium percentage is— Th...