1983—Subsec. (a)(1). Pub. L. 98–67 inserted reference to section 3406 and repealed amendments made by Pub. L. 97–248. See 1982 Amendment note below.

1982—Subsec. (a)(1). Pub. L. 97–248 provided that, applicable to payments of interest, dividends, and patronage dividends paid or credited after June 30, 1983, par. (1) is amended by inserting “or section 3452(f)(1)(A)” after “section 3402”. Section 102(a), (b) of Pub. L. 98–67, title I, Aug. 5, 1983, 97 Stat. 369, repealed subtitle A (§§ 301–308) of title III of Pub. L. 97–248 as of the close of June 30, 1983, and provided that the Internal Revenue Code of 1954 [now 1986] [this title] shall be applied and administered (subject to certain exceptions) as if such subtitle A (and the amendments made by such subtitle A) had not been enacted.

1981—Pub. L. 97–34 struck out “allowances based on itemized deductions” after “withholding” in section catchline.

Subsec. (a). Pub. L. 97–34 substituted provisions relating to imposition of penalty of $500 for statement under section 3402 resulting in decreased amounts withheld under chapter 24 and no reasonable basis existed for making such statement at the time it was made, for provisions relating to imposition of penalty of $50 for statement under section 3402(f)(1)(F) concerning amount of wages under chapter 24, or itemized deductions under section 3402(m), and provisions setting forth conditions for mitigation of such penalty.

Subsecs. (b), (c). Pub. L. 97–34 added subsec. (b) and redesignated former subsec. (b) as (c).

1974—Subsec. (b). Pub. L. 93–406 substituted “and certain excise” for “chapter 42.”

1969—Subsec. (b). Pub. L. 91–172 inserted reference to chapter 42 taxes.

Amendment by section 107(a) of Pub. L. 98–67 effective Aug. 5, 1983, see section 110(c) of Pub. L. 98–67, set out as a note under section 31 of this title.

Pub. L. 97–34, title VII, § 721(d), Aug. 13, 1981, 95 Stat. 341, provided that: “The amendments made by this section [amending sections 6682 and 7205 of this title] shall apply to acts and failures to act after December 31, 1981.”

Amendment by Pub. L. 93–406 applicable, except as otherwise provided in section 1017(c) through (i) of Pub. L. 93–406, for plan years beginning after Sept. 2, 1974, but, in the case of plans in existence on Jan. 1, 1974, amendment by Pub. L. 93–406 applicable for plan years beginning after Dec. 31, 1975, see section 1017 of Pub. L. 93–406, set out as an Effective Date; Transitional Rules note under section 410 of this title.

Amendment by Pub. L. 91–172 effective Jan. 1, 1970, see section 101(k)(1) of Pub. L. 91–172, set out as an Effective Date note under section 4940 of this title.