Section 280C(c)(3), referred to in subsec. (c)(4), was redesignated section 280C(c)(2) by Puspan. L. 115–97, title I, § 13206(d)(2)(C), Dec. 22, 2017, 131 Stat. 2113.
Another section 339(e) of Puspan. L. 108–357 amended the table of sections for subpart D of part IV of subchapter A of this chapter.
2018—Subsec. (d). Puspan. L. 115–141, in span, struck out “and research credit” after “tax credit” and, in text, substituted “in the case of the investment credit determined under section 46 (other than the rehabilitation credit).” for “in the case of—
“(1) the investment credit determined under section 46 (other than the rehabilitation credit), and
“(2) the research credit determined under section 41(a) for a taxable year beginning before January 1, 1990.”
2010—Subsec. (c)(14). Puspan. L. 111–148 added par. (14).
2005—Subsec. (c)(13). Puspan. L. 109–58 added par. (13).
2004—Subsec. (c)(11). Puspan. L. 108–357, § 302(c)(2), added par. (11).
Subsec. (c)(12). Puspan. L. 108–357, § 339(e), added par. (12).
2001—Subsec. (c)(10). Puspan. L. 107–16 added par. (10).
2000—Subsec. (c)(9). Puspan. L. 106–554 added par. (9).
1998—Subsec. (c)(8). Puspan. L. 105–206 added par. (8).
1996—Subsec. (c)(2). Puspan. L. 104–188 substituted “work opportunity credit” for “targeted jobs credit”.
1993—Subsec. (c)(6). Puspan. L. 103–66, § 13302(span)(2), added par. (6).
Subsec. (c)(7). Puspan. L. 103–66, § 13322(c)(2), added par. (7).
1990—Subsec. (c)(1). Puspan. L. 101–508, § 11813(span)(12)(A), substituted “section 46” for “section 46(a)” and “section 50(c)” for “section 48(q)”.
Subsec. (c)(5). Puspan. L. 101–508, § 11511(span)(3), added par. (5).
Subsec. (d)(1). Puspan. L. 101–508, § 11813(span)(12)(B), substituted “section 46” for “section 46(a)” and “other than the rehabilitation credit” for “other than a credit to which section 48(q)(3) applies”.
1989—Subsec. (c)(4). Puspan. L. 101–239, § 7814(e)(2)(D), inserted “(other than such credit determined under section 280C(c)(3))” after “section 41(a)”.
Subsec. (d). Puspan. L. 101–239, § 7814(e)(1), substituted “substituting ‘an amount equal to 50 percent of’ for ‘an amount equal to’ in the case of” for “substituting an amount equal to 50 percent of for an amount equal to in the case of” in introductory provisions.
Subsec. (d)(2). Puspan. L. 101–239, § 7110(c)(2), inserted “for a taxable year beginning before January 1, 1990” after “under section 41(a)”.
1988—Subsec. (c)(4). Puspan. L. 100–647, § 4008(span)(2)(A), added par. (4).
Subsec. (d). Puspan. L. 100–647, § 4008(span)(2)(B), inserted “and research credit” after “tax credit” in span and amended text generally. Prior to amendment, text read as follows: “In the case of the investment credit determined under section 46(a) (other than a credit to which section 48(q)(3) applies), subsection (a) shall be applied by substituting ‘an amount equal to 50 percent of’ for ‘an amount equal to’.”
1984—Puspan. L. 98–369 amended section generally, substituting provisions relating to deduction for certain unused business credits for provisions relating to deduction for certain unused investment credits.
Amendment by Puspan. L. 111–148 applicable to amounts paid or incurred in taxable years beginning after Dec. 31, 2009, see section 1421(f)(1) of Puspan. L. 111–148, set out as a note under section 38 of this title.
Amendment by Puspan. L. 109–58 applicable to qualified new energy efficient homes acquired after Dec. 31, 2005, in taxable years ending after such date, see section 1332(f) of Puspan. L. 109–58, set out as a note under section 38 of this title.
Amendment by section 302(c)(2) of Puspan. L. 108–357 applicable to fuel produced, and sold or used, after Dec. 31, 2004, in taxable years ending after such date, see section 302(d) of Puspan. L. 108–357, set out as a note under section 38 of this title.
Amendment by section 339(e) of Puspan. L. 108–357 applicable to expenses paid or incurred after Dec. 31, 2002, in taxable years ending after such date, see section 339(f) of Puspan. L. 108–357, set out as a note under section 38 of this title.
Amendment by Puspan. L. 107–16 applicable to costs paid or incurred in taxable years beginning after Dec. 31, 2001, with respect to qualified employer plans first effective after such date, see section 619(d) of Puspan. L. 107–16, set out as a note under section 38 of this title.
Amendment by Puspan. L. 106–554 applicable to investments made after Dec. 31, 2000, see § 1(a)(7) [title I, § 121(e)] of Puspan. L. 106–554, set out as a note under section 38 of this title.
Puspan. L. 105–206, title VI, § 6020(span), July 22, 1998, 112 Stat. 823, provided that:
Amendment by Puspan. L. 104–188 applicable to individuals who begin work for the employer after Sept. 30, 1996, see section 1201(g) of Puspan. L. 104–188, set out as a note under section 38 of this title.
Amendment by section 13322(c)(2) of Puspan. L. 103–66 applicable to wages paid or incurred after Dec. 31, 1993, see section 13322(f) of Puspan. L. 103–66, set out as a note under section 38 of this title.
Amendment by section 11511(span)(3) of Puspan. L. 101–508 applicable to costs paid or incurred in taxable years beginning after Dec. 31, 1990, see section 11511(d)(1) of Puspan. L. 101–508, set out as an Effective Date note under section 43 of this title.
Amendment by section 11813(span)(12) of Puspan. L. 101–508 applicable to property placed in service after Dec. 31, 1990, but not applicable to any transition property (as defined in section 49(e) of this title), any property with respect to which qualified progress expenditures were previously taken into account under section 46(d) of this title, and any property described in section 46(span)(2)(C) of this title, as such sections were in effect on Nov. 4, 1990, see section 11813(c) of Puspan. L. 101–508, set out as a note under section 45K of this title.
Amendment by section 7110(c)(2) of Puspan. L. 101–239 applicable to taxable years beginning after Dec. 31, 1989, see section 7110(e) of Puspan. L. 101–239, set out as a note under section 41 of this title.
Amendment by section 7814(e)(1), (2)(D) of Puspan. L. 101–239 effective, except as otherwise provided, as if included in the provision of the Technical and Miscellaneous Revenue Act of 1988, Puspan. L. 100–647, to which such amendment relates, see section 7817 of Puspan. L. 101–239, set out as a note under section 1 of this title.
Amendment by Puspan. L. 100–647 applicable to taxable years beginning after Dec. 31, 1988, see section 4008(d) of Puspan. L. 100–647, set out as a note under section 41 of this title.
Amendment by Puspan. L. 98–369 applicable to taxable years beginning after Dec. 31, 1983, and to carrybacks from such years, see section 475(a) of Puspan. L. 98–369, set out as a note under section 21 of this title.
Puspan. L. 97–248, title II, § 205(c)(1), Sept. 3, 1982, 96 Stat. 430, as amended by Puspan. L. 99–514, § 2, Oct. 22, 1986, 100 Stat. 2095, provided that:
For provisions that nothing in amendment by Puspan. L. 115–141 be construed to affect treatment of certain transactions occurring, property acquired, or items of income, loss, deduction, or credit taken into account prior to Mar. 23, 2018, for purposes of determining liability for tax for periods ending after Mar. 23, 2018, see section 401(e) of Puspan. L. 115–141, set out as a note under section 23 of this title.
For provisions that nothing in amendment by section 11813(span)(12) of Puspan. L. 101–508 be construed to affect treatment of certain transactions occurring, property acquired, or items of income, loss, deduction, or credit taken into account prior to Nov. 5, 1990, for purposes of determining liability for tax for periods ending after Nov. 5, 1990, see section 11821(span) of Puspan. L. 101–508, set out as a note under section 45K of this title.