Amendments
2004—Subsec. (b). Pub. L. 108–357, § 251(b), inserted at end “No amount shall be required to be deducted and withheld under chapter 24 with respect to any increase in income attributable to a disposition described in the preceding sentence.”
Subsec. (d). Pub. L. 108–357, § 905(a), added subsec. (d).
1990—Subsec. (a). Pub. L. 101–508, § 11801(c)(9)(B)(i)(I), substituted “422(a) or 423(a)” for “422(a), 422A(a), 423(a), or 424(a)” in introductory provisions.
Subsec. (a)(1). Pub. L. 101–508, § 11801(c)(9)(B)(i)(II), struck out “except as provided in section 422(c)(1),” before “no income”.
Subsec. (a)(2). Pub. L. 101–508, § 11801(c)(9)(B)(i)(III), substituted “424(a)” for “425(a)”.
Subsec. (b). Pub. L. 101–508, § 11801(c)(9)(B)(ii), substituted “422(a) or 423(a)” for “422(a), 422A(a), 423(a), or 424(a)” and “422(a)(1) or 423(a)(1),” for “422(a)(1), 422A(a)(1), 423(a)(1), or 424(a)(1),”.
Subsec. (c)(1)(A). Pub. L. 101–508, § 11801(c)(9)(B)(iii)(I), substituted “422(a) and 423(a)” for “422(a), 422A(a), 423(a), and 424(a)”.
Subsec. (c)(1)(B). Pub. L. 101–508, § 11801(c)(9)(B)(iii)(II), substituted “section 423(c)” for “sections 423(c) and 424(c)(1)”.
Subsec. (c)(2), (3)(A). Pub. L. 101–508, § 11801(c)(9)(B)(iii)(III), substituted “423(c)” for “422(c)(1), 423(c), or 424(c)(1)” wherever appearing.
Subsec. (c)(3)(B). Pub. L. 101–508, § 11801(c)(9)(B)(iii)(IV), (V), substituted “section 423(c)” for “sections 422(c)(1), 423(c), and 424(c)(1)” and “such section” for “such sections”.
1981—Subsecs. (a), (b), (c)(1)(A). Pub. L. 97–34 inserted references to section 422A(a) in subsecs. (a), (b), and (c)(1)(A) and to section 422A(a)(1) in subsec. (b).
1964—Pub. L. 88–272 amended section generally, and among other changes, inserted provisions relating to the effect of a qualifying transfer, and to the basis of shares acquired when an option is exercised by an estate, and omitted provisions relating to treatment of restricted stock options, a special rule where option price was between 85 percent and 95 percent of value of stock, acquisition of new stock, definitions, modification, extension, or renewal of option, and corporate reorganizations, liquidations, etc. See sections 421 to 425 of this title.
1958—Subsec. (a). Pub. L. 85–866, § 25, inserted sentence authorizing substitution of “grantor corporation” or “corporation issuing or assuming a stock option in a transaction to which subsection (g) is applicable” for “employer corporation”.
Subsec. (d)(6)(C). Pub. L. 85–320 added subpar. (C).
Subsec. (d)(1)(A)(ii). Pub. L. 85–866, § 26(a)(1), substituted “in the case of a variable price option” for “in case the purchase price of the stock under the option is fixed or determinable under a formula in which the only variable is the value of the stock at any time during a period of 6 months which includes the time the option is exercised” and inserted “fair” before “market value”.
Subsec. (d)(7). Pub. L. 85–866, § 26(a)(2), added par. (7).
Effective Date of 2004 Amendment
Pub. L. 108–357, title II, § 251(d), Oct. 22, 2004, 118 Stat. 1459, provided that:
“The amendments made by this section [amending this section, sections
423,
3121,
3231, and
3306 of this title, and
section 409 of Title 42, The Public Health and Welfare] shall apply to stock acquired pursuant to options exercised after the date of the enactment of this Act [
Oct. 22, 2004].”
Pub. L. 108–357, title VIII, § 905(b), Oct. 22, 2004, 118 Stat. 1653, provided that:
“The amendment made by this section [amending this section] shall apply to sales after the date of the enactment of this Act [Oct. 22, 2004].”
Effective Date of 1958 Amendment
Amendment by section 25 of Pub. L. 85–866 applicable to taxable years beginning after Dec. 31, 1953, and ending after Aug. 16, 1954, see section 1(c)(1) of Pub. L. 85–866, set out as a note under section 165 of this title.
Pub. L. 85–866, title I, § 26(b), Sept. 2, 1958, 72 Stat. 1624, provided that:
“The amendments made by subsection (a) [amending this section] shall apply with respect to taxable years ending after September 30, 1958.”
Pub. L. 85–320, § 3, Feb. 11, 1958, 72 Stat. 5, provided that:
“The amendments made by this Act [amending this section and
section 1014 of this title] shall apply with respect to taxable years ending after
December 31, 1956, but only in the case of employees dying after such date.”