"paragraph (7), (9), (17), or (20) of section 501(c)" for "section 501(c)(7) or (9)" wherever appearing in heading and in text.
Subsec. (a)(3)(B)(ii). Pub. L. 98-369, § 511(b)(1)(B), substituted "paragraph (9), (17), or (20) of section 501(c)" for "section 501(c)(9)".
Subsec. (a)(3)(C), (D). Pub. L. 98-369, § 511(b)(1)(A), substituted in subpars. (C) and (D) "paragraph (7), (9), (17), or (20) of section 501(c)" for "section 501(c)(7) or (9)" wherever appearing.
Subsec. (a)(3)(E). Pub. L. 98-369, § 511(b)(2), added subpar. (E).
1983 - Subsec. (b)(10). Pub. L. 97-448 substituted "10 percent" for "5 percent".
1978 - Subsec. (a)(5). Pub. L. 95-345, § 2(b), added par. (5).
Subsec. (b)(1). Pub. L. 95-345, § 2(a)(2), inserted provision relating to payments with respect to securities loans.
1976 - Subsec. (a)(3)(A). Pub. L. 94-568 provided that for purposes of the general rule, the deductions provided by sections 243, 244, and 245 (relating to dividends received by corporations) shall be treated as not directly connected with the production of gross income.
Subsec. (b). Pub. L. 94-455, § 1906(b)(13)(A), struck out "or his delegate" after "Secretary".
Subsec. (b)(5). Pub. L. 94-396 inserted provision relating to exclusion of gains on the lapse or termination of options to buy or sell securities.
Subsec. (b)(13), (14). Pub. L. 94-455, § 1951(b)(8)(A), redesignated pars. (15) and (16) as (13) and (14), respectively. Former pars. (13) and (14), relating to exceptions, additions, and limitations applicable in determining unrelated business taxable income, were struck out.
Subsec. (b)(15). Pub. L. 94-455, §§ 1901(b)(8)(F), 1906(b)(13)(A), 1951(b)(8)(A), redesignated par. (17) as (15) and substituted in subpar. (B) "educational organization described in section 170(b)(1)(A)(ii)" for "educational institution (as defined in section 151(e)(4))" after "order or by an", and struck out "or his delegate" after "Secretary". Former par. (15) redesignated (13).
Subsec. (b)(16), (17). Pub. L. 94-455, § 1951(b)(8)(A), redesignated pars. (16) and (17) as (14) and (15), respectively.
1972 - Subsec. (a)(4). Pub. L. 92-418 added par. (4).
1969 - Subsec. (a). Pub. L. 91-172, § 121(b)(1), designated existing provisions as pars. (1) and (2)(B) and added pars. (2)(A) and (3).
Subsec. (b). Pub. L. 91-172, § 121(b)(2)(D), substituted "Modifications" for "Exceptions, additions, and limitations", in heading, and, in text preceding par. (1) substituted "The modifications referred to in subsection (a)" for "The exceptions, additions, and limitations applicable in determining unrelated business taxable income".
Subsec. (b)(3)(A). Pub. L. 91-172, § 121(b)(2)(A), inserted reference to exceptions set out in subsec. (b)(3)(B) in text preceding cl. (i), substituted "property described in section 1245(a)(3)(C)" for "personal property leased with the real property" in parenthetical of cl. (i), and added cl. (ii).
Subsec. (b)(3)(B). Pub. L. 91-172, § 121(b)(2)(A), added subpar. (B).
Subsec. (b)(3)(C). Pub. L. 91-172, § 121(b)(2)(A), substituted "rents excluded under subparagraph (A)" for "such rents".
Subsec. (b)(4). Pub. L. 91-172, § 121(b)(2)(A), inserted reference to pars. (1), (3) and (5) of this subsec., and substituted "debt financed property" for "a business lease".
Subsec. (b)(12). Pub. L. 91-172, § 121(b)(2)(B), made the allowance of the specific $1,000 deduction inapplicable for the purposes of computing the net operating loss under