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TITLE 26-INTERNAL REVENUE CODE Act of 1976 and struck out "or his delegate" following "Secretary". Subsec. (f)(9). Pub. L. 94-455, § 803(a), added subsec. (f)(9). Subsec. (g). Pub. L. 94-455, § 805(a), added subsec. (g). 1975-Subsec. (a)(1). Pub. L. 94-12, § 301(a), designat- ed existing provisions as subpar. (A), substituted "Except as otherwise provided in this paragraph, in the case of a property described in subparagraph (D), the" for "The", "10 percent" for "7 percent", and "(as determined under subsections (c) and (d))" for "(as de- fined in subsection (c))" in subpar. (A) as so designat- ed, and added subpars. (B), (C), and (D). Subsec. (a)(6). Pub. L. 94-12, § 301(b)(2), added subsec. (a)(6). Subsec. (c)(3)(A). Pub. L. 94-12, §301(b)(1), substi- tuted "To the extent that subsection (a)(1)(C) applies to property which is public utility property, the" for "In the case of section 38 property which is public util- ity property, the". Subsec. (c)(4). Pub. L. 94-12, §302(b)(1), added subsec. (c)(4). Subsec. Cd). Pub. L. 94-12, § 302(a), added subsec. (d). Former subsec. (d) redesignated (e). Subsec. Ce). Pub. L. 94-12, § 302(a), redesignated subsec. d) as (e). Former subsec. (e) redesignated f) and amended. Subsec. f). Pub. L. 94-12, §§ 301(b)(3), 302(a), rede- signated subsec. (e) as f) and in subsec. f) as so rede- signated added par. (8). 1974-Subsec. (a)(3). Pub. L. 93-406 inserted refer- ence to section 402(e) (relating to tax on lump sum dis- tributions), section 72(m)(5)(B) (relating to 10 percent tax on premature distributions to owner-employees), and section 408(e) (relating to additional tax on Income from certain retirement accounts). 1971-Subsec. (b)(1). Pub. L. 92-178, § 106(b), added the concluding sentence "In the case of an unused credit for an unused credit year ending before January 1, 1971, which is an investment credit carryover to a taxable year beginning after December 31, 1970 (deter- mined without regard to this sentence), this para- graph shall be applied by substituting '10 taxable years' for '7 taxable years' in subparagraph (B) and by substituting '13 taxable years' for '10 taxable years' and '12 taxable years' for '9 taxable years' in the pre- ceding sentence." Subsec. (b)(3). Pub. L. 92-178, § 106(a), added par.(3). Subsec. (b)(5). Pub. L. 92-178, § 106(c)(1), substituted "Certain taxable years ending in 1969, 1970, or 1971" for "Taxable years beginning after December 31, 1968, and ending after April 18, 1969" as the par. heading; substituted "ending after April 18, 1969, and before January 1, 1972," for "ending after April 18, 1969,"; and provided that "In the case of a taxable year ending after August 15, 1971, and before January 1, 1972, the percentage contained in the preceding sen- tence shall be increased by 6 percentage points for each month (or portion thereof) in the taxable year after August 15, 1971". Subsec. (b)(6). Pub. L. 92-178, § 106(c)(2), substituted "ending after April 18, 1969, and before January 1, 1971," for "ending after April 18, 1969," and "follow- ing the 7th taxable year after the unused credit year" for "following the last taxable year for which such portion may be added under paragraph (1)", respec- tively. Subsec. (c)(2). Pub. L. 92-178, § 102(a)(1), (b), substi- tuted "3 years", "5 years", and "7 years" for "4 years" (once), "6 years" (twice), and "8 years" (twice), respec- tively in tables of first sentence and substituted in second sentence "subpart" for "paragraph" and "useful life of any property shall be the useful life used in computing the allowance for depreciation under section 167 for the taxable year in which the property is placed in service" for "useful life of any property shall be determined as of the time such prop- erty is placed in service by the taxpayer". Subsec. (c)(3)(A). Pub. L. 92-178, § 105(a), substitut- ed the fraction of "%" for "'. Subsec. (c)(3)(B). Pub. L. 92-178, § 105(b)(1) and (2), struck out cl. (Cii) provisions respecting telephone ser- vice, redesignated cl. (iv) as (iii), included in cl. (iii) provision of former cl. (iii) respecting telephone ser- vice, included other communication services (other than international telegraph service), and defined term "public utility property" to also mean communi- cation property of type used by persons engaged in providing telephone or microwave communication ser- vices to which el. (iii) applies, if such property is used predominantly for communication purposes, respec- tively. Subsec. (c)C3)(C). Pub. L. 92-178, § 105(b)(3), added subpar. (C). Subsec. (c)(4). Pub. L. 92-178, § 107(a)(1), struck out par. (4) provisions respecting reduction in basis or cost of certain replacement property. Subsec. (d)(3). Pub. L. 92-178, § 108(a), added par. (3). Subsec. (e). Pub. L. 92-178, § 105(c), added subsec. (e). 1969-Subsec. (a)(3). Pub. L. 91-172, § 301(b)(4), in- serted reference to "section 56 (relating to minimum tax for tax preference),". Subsec. (a)(5). Pub. L. 91-172, §401(e)(1), reenacted subsection with minor changes and substituted refer- ence to section 1563(a) for reference to section 1504. Subsec. (b). Pub. L. 91-172, § 703(b), added pars. (5) and (6). 1967-Subsec. (b). Pub. L. 90-225 struck out par. (3), which provided that to the extent that the excess de- scribed in par. (1) of this subsection arises by reason of net operating loss carryback, subpar. (A) of par. (1) of this subsection shall not apply. 1966-Subsec. (a)(2). Pub. L. 89-800, § 3(a), added "for taxable years ending on or before the last day of the suspension period (as defined in section 48(j))," at the beginning of subpar. (B), and added subpar. (C) and the provisions following subpar. (C) covering the application of subpar. (C) and the reduction of the amount otherwise determined under par. (2) by the credit allowable but for the application of section 48(h)(1). Subsec. (a)(3). Pub. L. 89-389 inserted reference to tax imposed for the taxable year by section 1378 (re- lating to tax on certain capital gains of subchapter S corporations) in the list of taxes not to be considered tax imposed by this chapter for purposes of par. (3). Pub. L, 89-384 added any additional tax imposed for the taxable year by section 1351 (relating to recoveries of foreign expropriation losses) to the list of taxes not to be considered a tax imposed by this chapter for pur- poses of par. (3). Subsec. (b)(1). Pub. L. 89-800, § 3(b), substituted "7 taxable years" for "5 taxable years" in subpar. (B) and "10 taxable years" and "other 9 taxable years" for "8 taxable years" and "other 7 taxable years" respective- ly in the material following subpar. (B). 1964-Subsec. (a)(3). Pub. L. 88-272 deleted subpar. (B) relating to section 34, and redesignated subpars. (C) and (D) as (B) and (C), respectively. EFFECTIVE DATE OF 1976 AMENDMENT Amendment of subsec. (a)(3)(C) by section 503(b)(4) of Pub. L. 94-455 substituting "credit for the elderly" for "retirement income" applicable to taxable years beginning after Dec. 31, 1975, see section 508 of Pub. L. 94-455, set out as an Effective Date of 1976 Amend- ment note under section 3 of this title. Section 802(c) of Pub. L. 94-455 provided that: "The amendments made by this section [amending subsecs. (a)(1), (2), (4) to (7), (b), (c)(3)(A), (e)(1) and (f)(8) of this section, section 48(f) of this title, and note under this section, and renumbering former subsecs. (a)(2) to (6) as (a)(3) to (7)] shall apply to taxable years begin- ning after December 31, 1975." Section 803(j) of Pub. L. 94-455 provided that: "(1) General rule.-Except as provided in para- graph (2), the amendments made by this section [see Tables volume for distribution of section 803 of Pub. Page 61