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TITLE 26-INTERNAL REVENUE CODE (Aug. 16, 1954, ch. 736, 68A Stat. 196; Sept. 2, 1958, Pub. L. 85-866, title I, § 33(a), (b)(1), (c)(1), 72 Stat. 1632; Feb. 2, 1962, Pub. L. 87- 403, § 3(e), 76 Stat. 7; Feb. 26, 1964, Pub. L. 88- 272, title II, §§ 207(b)(6), 209(c)(2), 78 Stat. 42, 46; Dec. 30, 1969, Pub. L. 91-172, title II, § 201(a)(2)(B), 83 Stat. 558; Oct. 4, 1976, Pub. L. 94-455, title XIX, §§1901(a)(80), (b)(32)(G), 1906(b)(13)(A), 90 Stat. 1778, 1800, 1834.) REFERENCEs IN TEXT Supplement P of the Internal Revenue Code of 1939, referred to in subsec. (b)(1), was comprised of sections 331 to 340 of former Title 26, Internal Revenue Code. Supplement P was repealed by section 7851(a)(1)(A) of this title. For table of comparisons of the 1939 Code to the 1954 Code, see Table I preceding section 1 of this title. See also section 7851(e) of this title for provision that references in the 1954 Code to a provision of the 1939 Code, not then applicable, shall be deemed a ref- erence to the corresponding provision of the 1954 Code, which is then applicable. AMENDmENTs 1976-Subsec. (b)(1). Pub. L. 94-455, §§ 1901(a)(80), 1906(b)(13)(A), struck out "(other than the excess profits tax imposed by subchapter E of chapter 2 of the Internal Revenue Code of 1939 for taxable years beginning after December 31, 1940)" following "deduc- tion Federal income and excess profits taxes" and "or his delegate" following "Secretary". Subsec. (b)(5). Pub. L. 94-455, § 1906(b)(13)(A), struck out "or his delegate" following "Secretary" in two places. Subsec. (b)(7). Pub. L. 94-455, § 1901(b)(32)(G), struck out subsec. (b)(7) relating to disallowance of de- duction as applied to taxes of a shareholder paid by th'. corporation and contributions to pension funds. Subsec. (b)(8). Pub. L. 94-455, § 1901(b)(32)(G), struck out subsec. (b)(8) relating to special adjustment on disposition of antitrust stock received as a dividend. 1969-Subsec. (b)(2). Pub. L. 91-172 substituted "sec- tion 170(b)(1)(A), (B), and (D)" and "section 170(b)(2) and (d)(1)" for "section 170(b)(1)(A) and (B)" and "section 170(b)(2) and (5)" respectively in the provi- sions of the first sentence setting out the sections ap- propriate to the computation of the deduction, and in the provisions of the second sentence describing appli- cability of terms for purposes of this paragraph, sub- stituted "contribution base" and "section 170(b)(2) and (d)(1)" for "adjusted gross income" and "the first sentence of section 170(b)(2) and (5)", respectively. 1964-Subsec. (b)(1), (2). Pub. L. 88-272 substituted "section 275(a)(4)" for "section 164(b)(6)" in par. (1), and inserted the reference to section 170(b)(5) in par. (2). 1962-Subsec. (b)(7), (8). Pub. L. 87-403 added subsec. (b)(7), (8). 1958-Subsec. (b)(2). Pub. L. 85-866, § 33(a)(1), (2), substituted in the first sentence "but in computing such deduction the limitations in section 170(b)(1)(A) and (B) shall apply, and section 170(b)(2) shall not apply" for "but with the limitation in section 170(b)(1)(A) and (B) (in lieu of the limitation in sec- tion 170(b)(2))" and in the second sentence "the tax- able income computed with the adjustments (other than the 5-percent limitation) provided in the first sentence of section 170(b)(2) for "the taxable income computed with the adjustments provided in section 170(b)(2)". Subsec. (b)(3). Pub. L. 85-866, §33(b)(1), substituted "section 248" for "sections 242 and 248". Subsec. (b)(4). Pub. L. 85-866, §33(c)(1), inserted "computed without the deductions provided in part VIII (except section 248) of subchapter B". EFFECTIVE DATE OF 1976 AmENMENT Amendment by Pub. L. 94-455 applicable with re- spect to taxable years beginning after Dec. 31, 1976, see section 1901(d) of Pub. L. 94-455, set out as an Ef- fective Date of 1976 Amendment note under section 2 of this title. EFFECTIVE DATE OF 1969 AMENDMENT Amendment by Pub. L. 91-172 applicable to taxable years beginning after Dec. 31, 1969, see section 201(g) of Pub. I. 91-172, set out as an Effective Date of 1969 Amendment note under section 170 of this title. EFFcrxvE DATE OF 1964 AMENDMENT Amendment of subsec. (b)(1) by Pub. L. 88-272, § 207(b)(6), applicable to taxable years beginning after Dec. 31, 1963, see section 207(c) of Pub. L. 88-272, set out as an Effective Date of 1964 Amendment note under section 164 of this title. Amendment of subsec. (b)(2) by Pub. L. 88-227, § 209(c)(2). applicable to contributions paid in taxable years beginning after Dec. 31, 1963, see section 209(f)(1) of Pub. L. 88-272, set out as an Effective Date of 1964 Amendment note under section 170 of this title. EFFECTIVE DATE OF 1962 AmENDMENT Amendment by Pub. L. 87-403 applicable only with respect to distribution made after Feb. 2, 1962, see sec- tion 3(g) of Pub. L. 87-403, set out as an Effective Date of 1962 Amendment note under section 312 of this title. EFFECTIVE DATE OF 1958 AMENDMENT Amendment of subsec. (b)(2) by Pub. L. 85-866 appli- cable to taxable years beginning after Dec. 31, 1953, and ending after Aug. 16, 1954, see section 1(c) of Pub. L. 85-866, set out as an Effective Date of 1958 Amend- ment note under section 165 of this title. Section 33(b)(2) of Pub. L. 85-866 provided that: "The amendmmt made by paragraph (1) [to subsec. (b)(3) of this section] shall apply only with respect to taxable years ending after December 31, 1957." Section 33(c)(2) of Pub. L. 85-866 provided that: "The amendment made by paragraph (1) [to subsec. (b)(4) of this section] shall apply with respect to ad- justments under section 556(b)(4) of the Internal Rev- enue Code of 1954 [subsec. (b)(4) of this section) for taxable years ending after December 31, 1957." CROSS REFRN cES Provisions for computation of tax on change of annual accounting period upon making returns for period less than 12 months as inapplicable in computa- tion of tax imposed by this section, see section 557 of this title. SECTION REFERRED TO IN OTHER SECTIONS This section is referred to in sections 508, 557, 4947, 4948 of this title. § 557. Income not placed on annual basis Section 443(b) (relating to computation of tax on change of annual accounting period) shall not apply in the computation of the undistri- buted foreign personal holding company income under section 556. (Aug. 16, 1954, ch. 736, 68A Stat. 198.) CROSS REFERENcES Accumulated earnings tax computation as not sub- ject to section 443(b), see section 536 of this title. Personal holding company tax computation as not subject to section 443(b), see section 546 of this title. Regulated investment company taxable income com- putation as not subject to section 443(b), see section 852 of this title. SECTION REFERRED TO IN OTHER SECTIONS This section is referred to in section 443 of this title. Page 426