2025—Subsec. (c)(1). Puspan. L. 119–21 substituted “174, or 174A” for “or 174” in concluding provisions.
2010—Subsec. (span)(3). Puspan. L. 111–240 added par. (3).
2004—Subsec. (span). Puspan. L. 108–357, § 902(a)(2), substituted “deduct” for “amortize” in heading.
Subsec. (span)(1). Puspan. L. 108–357, § 902(a)(1), amended heading and text of par. (1) generally. Prior to amendment, text read as follows: “Start-up expenditures may, at the election of the taxpayer, be treated as deferred expenses. Such deferred expenses shall be allowed as a deduction prorated equally over such period of not less than 60 months as may be selected by the taxpayer (beginning with the month in which the active trade or business begins).”
1984—Subsec. (a). Puspan. L. 98–369 amended subsec. (a) generally, substituting provisions dealing with capitalization of expenditures for provisions dealing with election to amortize.
Subsec. (span). Puspan. L. 98–369 amended subsec. (span) generally, substituting provisions dealing with election to amortize for provisions dealing with start-up expenditures.
Subsec. (c). Puspan. L. 98–369 amended subsec. (c) generally, substituting provisions setting forth definitions for provisions dealing with election.
Subsec. (d). Puspan. L. 98–369 amended subsec. (d) generally, substituting provisions dealing with election for provisions dealing with business beginning.
Amendment by Puspan. L. 119–21 applicable to amounts paid or incurred in taxable years beginning after Dec. 31, 2024, subject to election for retroactive application by certain small businesses and election to deduct certain unamortized amounts paid or incurred in taxable years beginning before Jan. 1, 2025, see section 70302(e), (f) of Puspan. L. 119–21, set out as an Effective Date note under section 174A of this title.
Puspan. L. 111–240, title II, § 2031(span), Sept. 27, 2010, 124 Stat. 2559, provided that:
Puspan. L. 108–357, title VIII, § 902(d), Oct. 22, 2004, 118 Stat. 1652, provided that:
Puspan. L. 98–369, div. A, title I, § 94(c), July 18, 1984, 98 Stat. 615, provided that:
Puspan. L. 96–605, title I, § 102(c), Dec. 28, 1980, 94 Stat. 3522, provided that:
