A prior section 4962 was renumbered section 4963 of this title.

2007—Subsec. (b). Pub. L. 110–172 substituted “D, or G” for “or D”.

1997—Subsec. (b). Pub. L. 105–34 substituted “subchapter A, C, or D” for “subchapter A or C”.

1987—Pub. L. 100–203, § 10712(b)(4), struck out “private foundation” before “first tier taxes” in section catchline.

Subsec. (a). Pub. L. 100–203, § 10712(b)(2), substituted “any qualified first tier tax” for “any private foundation first tier tax” in closing provisions.

Subsec. (b). Pub. L. 100–203, § 10712(b)(1), added subsec. (b) and struck out former subsec. (b) “Private foundation first tier tax” which read as follows: “For purposes of this section, the term ‘private foundation first tier tax’ means any first tier tax imposed by subchapter A of chapter 42, except that such term shall not include the tax imposed by section 4941 (a) (relating to initial tax on self-dealing).”

Subsec. (c). Pub. L. 100–203, § 10712(b)(1), added subsec. (c).

Amendment by Pub. L. 110–172 effective as if included in the provisions of the Pension Protection Act of 2006, Pub. L. 109–280, to which such amendment relates, see section 3(j) of Pub. L. 110–172, set out as a note under section 170 of this title.

Section 1603(c) of Pub. L. 105–34 provided that: “The amendments made by this section [amending this section and section 6033 of this title] shall take effect as if included in the provisions of the Taxpayer Bill of Rights 2 [Pub. L. 104–168] to which such amendments relate.”

Amendment by Pub. L. 100–203 applicable to taxable years beginning after Dec. 22, 1987, see section 10712(d) of Pub. L. 100–203, set out as an Effective Date note under section 4955 of this title.

Section 305(c) of Pub. L. 98–369 provided that: “The amendments made by this section [enacting this section, redesignating former section 4962 as 4963, and amending sections 4942, 6213, and 6503 of this title] shall apply to taxable events occurring after December 31, 1984.”