A prior section 30 was renumbered section 41 of this title.

2005—Subsec. (b)(3)(A). Pub. L. 109–58 substituted “section 27” for “sections 27 and 29” in introductory provisions.

2004—Subsec. (b)(2). Pub. L. 108–311 reenacted heading without change and amended text generally. Prior to amendment, text read as follows: “In the case of any qualified electric vehicle placed in service after December 31, 2003, the credit otherwise allowable under subsection (a) (determined after the application of paragraph (1)) shall be reduced by—

“(A) 25 percent in the case of property placed in service in calendar year 2004,

“(B) 50 percent in the case of property placed in service in calendar year 2005, and

“(C) 75 percent in the case of property placed in service in calendar year 2006.”

2002—Subsec. (b)(2). Pub. L. 107–147, § 602(a)(1)(A), substituted “December 31, 2003,” for “December 31, 2001,” in introductory provisions.

Subsec. (b)(2)(A). Pub. L. 107–147, § 602(a)(1)(B), substituted “2004” for “2002”.

Subsec. (b)(2)(B). Pub. L. 107–147, § 602(a)(1)(B), substituted “2005” for “2003”.

Subsec. (b)(2)(C). Pub. L. 107–147, § 602(a)(1)(B), substituted “2006” for “2004”.

Subsec. (e). Pub. L. 107–147, § 602(a)(2), substituted “December 31, 2006” for “December 31, 2004”.

1996—Subsec. (b)(3)(A). Pub. L. 104–188, § 1205(d)(4), substituted “sections 27 and 29” for “sections 27, 28, and 29”.

Subsec. (d)(1). Pub. L. 104–188, § 1704(j)(4)(A)(i), inserted “(determined without regard to subsection (b)(3))” before period at end.

Subsec. (d)(4). Pub. L. 104–188, § 1704(j)(4)(A)(ii), added par. (4).

Amendment by Pub. L. 109–58 applicable to credits determined under the Internal Revenue Code of 1986 for taxable years ending after Dec. 31, 2005, see section 1322(c)(1) of Pub. L. 109–58, set out as a note under section 45K of this title.

Pub. L. 108–311, title III, § 318(b), Oct. 4, 2004, 118 Stat. 1182, provided that: “The amendments made by this section [amending this section] shall apply to property placed in service after December 31, 2003.”

Pub. L. 107–147, title VI, § 602(c), Mar. 9, 2002, 116 Stat. 59, provided that: “The amendments made by this section [amending this section, section 280F of this title, and provisions set out as a note under section 280F of this title] shall apply to property placed in service after December 31, 2001.”

Amendment by section 1205(d)(4) of Pub. L. 104–188 applicable to amounts paid or incurred in taxable years ending after June 30, 1996, see section 1205(e) of Pub. L. 104–188, set out as a note under section 45K of this title.

Section 1913(c) of Pub. L. 102–486 provided that: “The amendments made by this section [enacting this section and 179A of this title and amending sections 53, 55, 62, and 1016 of this title] shall apply to property placed in service after June 30, 1993.”