A prior section 181, Pub. L. 87–834, § 2(c), Oct. 16, 1962, 76 Stat. 970, related to a deduction for unused investment credit, prior to repeal by Pub. L. 88–272, title II, § 203(a)(3)(B), (4), Feb. 26, 1964, 78 Stat. 34, applicable in case of property placed in service after Dec. 31, 1963, with respect to taxable years ending after such date, and in case of property placed in service before Jan. 1, 1964, with respect to taxable years beginning after Dec. 31, 1963.

2005—Subsec. (d)(2). Pub. L. 109–135 struck out “For purposes of a television series, only the first 44 episodes of such series may be taken into account.” at end of subpar. (A), added subpar. (B), and redesignated former subpar. (B) as (C).

Amendment by Pub. L. 109–135 effective as if included in the provision of the American Jobs Creation Act of 2004, Pub. L. 108–357, to which such amendment relates, see section 403(nn) of Pub. L. 109–135, set out as a note under section 26 of this title.

Pub. L. 108–357, title II, § 244(c), Oct. 22, 2004, 118 Stat. 1447, provided that: “The amendments made by this section [enacting this section] shall apply to qualified film and television productions (as defined in section 181(d)(1) of the Internal Revenue Code of 1986, as added by this section) commencing after the date of the enactment of this Act [Oct. 22, 2004].”