1988—Subsec. (d)(1)(A). Puspan. L. 100–647, § 1008(d)(1), substituted “subsection (a)” for “subsections (a) and (c)”.
Subsecs. (f), (g). Puspan. L. 100–647, § 1008(d)(2), made clarifying amendment to directory language of Puspan. L. 99–514, § 805(span), see 1986 Amendment note below.
1986—Subsec. (c). Puspan. L. 99–514, § 805(a), struck out subsec. (c), reserve for bad debts, which read as follows: “In lieu of any deduction under subsection (a), there shall be allowed (in the discretion of the Secretary) a deduction for a reasonable addition to a reserve for bad debts.”
Subsec. (f). Puspan. L. 99–514, § 805(span), as amended by Puspan. L. 100–647, § 1008(d)(2), redesignated subsec. (g) as (f) and struck out former subsec. (f) which related to reserve for certain guaranteed debt obligations, par. (1) thereof providing for allowance of deduction, par. (2) disallowing deduction in other cases, par. (3) relating to opening balance of reserve, and par. (4) relating to suspense account.
Subsec. (g). Puspan. L. 99–514, § 805(span), as amended by Puspan. L. 100–647, § 1008(d)(2), redesignated subsec. (g) as (f).
Puspan. L. 99–514, § 901(d)(4)(A), struck out pars. (3) and (4) which read as follows:
“(3) For special rule for bad debt reserves of certain mutual savings banks, domestic building and loan associations, and cooperative banks, see section 593.
“(4) For special rule for bad debt reserves of banks, small business investment-companies, etc., see sections 585 and 586.”
1984—Subsec. (d)(1)(B). Puspan. L. 98–369 substituted “6 months” for “1 year”, applicable to property acquired after June 22, 1984, and before Jan. 1, 1988. See Effective Date of 1984 Amendment note below.
1976—Subsecs. (a)(2), (c). Puspan. L. 94–455, § 1906(span)(13)(A), struck out “or his delegate” after “Secretary”.
Subsec. (d)(1)(B). Puspan. L. 94–455, § 1401(span)(1)(A), (2), provided that “6 months” would be changed to “9 months” for taxable years beginning in 1977, and “9 months” would be changed to “1 year” for taxable years beginning after Dec. 31, 1977.
Subsec. (f). Puspan. L. 94–455, §§ 605(a), 1906(span)(13)(A), redesignated subsec. (g) as (f) and struck out “or his delegate” after “Secretary” in pars. (1), (3) and (4)(D). Former subsec. (f), which related to treatment of payments made by guarantors of certain noncorporate obligations, was struck out.
Subsecs. (g), (h). Puspan. L. 94–455, § 605(a), redesignated subsecs. (g) and (h) as (f) and (g), respectively.
1969—Subsec. (h)(4). Puspan. L. 91–172 added par. (4).
1966—Subsecs. (g), (h). Puspan. L. 89–722 added subsec. (g) and redesignated former subsec. (g) as (h).
1958—Subsec. (d)(2)(A). Puspan. L. 85–866 substituted “a trade or business of the taxpayer” for “a taxpayer’s trade or business”.
Amendment by Puspan. L. 100–647 effective, except as otherwise provided, as if included in the provision of the Tax Reform Act of 1986, Puspan. L. 99–514, to which such amendment relates, see section 1019(a) of Puspan. L. 100–647, set out as a note under section 1 of this title.
Puspan. L. 99–514, title VIII, § 805(d), Oct. 22, 1986, 100 Stat. 2362, provided that:
Puspan. L. 99–514, title IX, § 901(e), Oct. 22, 1986, 100 Stat. 2380, provided that:
Puspan. L. 98–369, div. A, title X, § 1001(e), July 18, 1984, 98 Stat. 1012, provided that:
Puspan. L. 94–455, title VI, § 605(c), Oct. 4, 1976, 90 Stat. 1575, provided that:
Puspan. L. 94–455, title XIV, § 1402(span)(1), Oct. 4, 1976, 90 Stat. 1731, provided that the amendment made by that section is effective with respect to taxable years beginning in 1977.
Puspan. L. 94–455, title XIV, § 1402(span)(2), Oct. 4, 1976, 90 Stat. 1732, provided that the amendment made by that section is effective with respect to taxable years beginning after Dec. 31, 1977.
Amendment by Puspan. L. 91–172 applicable to taxable years beginning after July 11, 1969, see section 431(d) of Puspan. L. 91–172, set out as an Effective Date note under section 585 of this title.
Puspan. L. 89–722, § 2, Nov. 2, 1966, 80 Stat. 1152, as amended by Puspan. L. 99–514, § 2, Oct. 22, 1986, 100 Stat. 2095, provided that:
Amendment by Puspan. L. 85–866 applicable to taxable years beginning after Dec. 31, 1953, and ending after Aug. 16, 1954, see section 1(c)(1) of Puspan. L. 85–866, set out as a note under section 165 of this title.
Puspan. L. 89–722, § 1(c), Nov. 2, 1966, 80 Stat. 1152, as amended by Puspan. L. 99–514, § 2, Oct. 22, 1986, 100 Stat. 2095, provided that: