§199A. Qualified business income
26 U.S.C. § 199A
then paragraph (2) shall be applied with respect to such trade or business without regard to subparagraph (B) thereof and by reducing the amount determined under subparagraph (A) thereof by the amount determined under clause (ii).
The amount of any increase under the preceding sentence shall be rounded as provided in section 1(f)(7).
For purposes of clause (iii), a partner’s or shareholder’s allocable share of W–2 wages shall be determined in the same manner as the partner’s or shareholder’s allocable share of wage expenses. For purposes of such clause, partner’s or shareholder’s allocable share of the unadjusted basis immediately after acquisition of qualified property shall be determined in the same manner as the partner’s or shareholder’s allocable share of depreciation. For purposes of this subparagraph, in the case of an S corporation, an allocable share shall be the shareholder’s pro rata share of an item.
If any increase under this paragraph is not a multiple of $5, such increase shall be rounded to the nearest multiple of $5
Footnotes
Notes, amendments, and revision history
(Added Pub. L. 115–97, title I, § 11011(a), Dec. 22, 2017, 131 Stat. 2063; amended Pub. L. 115–141, div. T, § 101(a)(1), (2)(A), (C), (b), Mar. 23, 2018, 132 Stat. 1151, 1155; Pub. L. 119–21, title VII, §§ 70105(a), (b), 70111(b), 70201(d), July 4, 2025, 139 Stat. 161, 165, 171.)
Inflation Adjusted Items for Certain Years
For inflation adjustment of certain items in this section, see Revenue Procedures listed in a table under section 1 of this title.
Editorial Notes
References in Text
Section 199(d)(1)(B)(i) (as in effect on December 1, 2017), referred to in subsec. (f)(1)(B), means section 199(d)(1)(B)(i) of this title prior to repeal of section 199 by Pub. L. 115–97, title I, § 13305(a), Dec. 22, 2017, 131 Stat. 2126.
Amendments
2025—Subsec. (a). Pub. L. 119–21, § 70105(b)(2), inserted “except as provided in subsection (i),” before “there” in introductory provisions.
Subsec. (b)(3)(B). Pub. L. 119–21, § 70105(a)(1), substituted “$75,000 ($150,000 in the case of a joint return)” for “$50,000 ($100,000 in the case of a joint return)” in two places.
Subsec. (c)(4)(D). Pub. L. 119–21, § 70201(d), added subpar. (D).
Subsec. (d)(3). Pub. L. 119–21, § 70105(a)(2), substituted “$75,000 ($150,000 in the case of a joint return)” for “$50,000 ($100,000 in the case of a joint return)” in two places.
Subsec. (e)(1). Pub. L. 119–21, § 70111(b)(1), inserted “without regard to section 68 and” after “shall be computed”.
Subsec. (g)(2)(B). Pub. L. 119–21, § 70111(b)(2), inserted “section 68 or” after “without regard to”.
Subsec. (i). Pub. L. 119–21, § 70105(b)(1), amended subsec. (i) generally. Prior to amendment, text read as follows: “This section shall not apply to taxable years beginning after December 31, 2025.”
2018—Subsec. (a). Pub. L. 115–141, § 101(b)(1), amended subsec. (a) generally. Prior to amendment, subsec. (a) provided equation for allowed deduction for any taxable year, which included special deduction for qualified cooperative dividends.
Subsec. (b)(7). Pub. L. 115–141, § 101(b)(3), added par. (7).
Subsec. (c)(1). Pub. L. 115–141, § 101(b)(2)(A), struck out “, qualified cooperative dividends,” after “qualified REIT dividends”.
Subsec. (c)(3)(B). Pub. L. 115–141, § 101(b)(2)(B)(i)(I), struck out “investment” before “items” in introductory provisions.
Subsec. (c)(3)(B)(ii). Pub. L. 115–141, § 101(b)(2)(B)(i)(II), inserted at end “Any amount described in section 1385(a)(1) shall not be treated as described in this clause.”
Subsec. (e)(1). Pub. L. 115–141, § 101(a)(2)(C), substituted “Except as otherwise provided in subsection (g)(2)(B), taxable income” for “Taxable income”.
Pub. L. 115–141, § 101(a)(2)(A), substituted “any deduction” for “the deduction”.
Subsec. (e)(4), (5). Pub. L. 115–141, § 101(b)(2)(B)(ii), redesignated par. (5) as (4) and struck out former par. (4) which defined “qualified cooperative dividend”.
Subsec. (g). Pub. L. 115–141, § 101(a)(1), amended subsec. (g) generally. Prior to amendment, subsec. (g) related to deduction allowed to specified agricultural or horticultural cooperatives.
Statutory Notes and Related Subsidiaries
Effective Date of 2025 Amendment
Pub. L. 119–21, title VII, § 70105(c), July 4, 2025, 139 Stat. 162, provided that: “The amendments made by this section [amending this section] shall apply to taxable years beginning after December 31, 2025.”
Amendment by section 70111(b) of Pub. L. 119–21 applicable to taxable years beginning after Dec. 31, 2025, see section 70111(c) of Pub. L. 119–21, set out as a note under section 68 of this title.
Amendment by section 70201(d) of Pub. L. 119–21 applicable to taxable years beginning after Dec. 31, 2024, see section 70201(j) of Pub. L. 119–21, set out as a note under section 45B of this title.
Effective Date of 2018 Amendment
Amendment by Pub. L. 115–141 effective as if included in section 11011 of Pub. L. 115–97, see section 101(d) of Pub. L. 115–141, set out as a note under section 62 of this title.
Effective Date
Section applicable to taxable years beginning after Dec. 31, 2017, see section 11011(e) of Pub. L. 115–97, set out as an Effective Date of 2017 Amendment note under section 62 of this title.