1988—Subsec. (b)(2). Pub. L. 100–647 substituted “the highest rate of tax specified in section 1” for “a 50-percent rate”.

Amendment by Pub. L. 100–647 effective, except as otherwise provided, as if included in the provision of the Tax Reform Act of 1986, Pub. L. 99–514, to which such amendment relates, see section 1019(a) of Pub. L. 100–647, set out as a note under section 1 of this title.

Pub. L. 97–248, title III, § 330(c), Sept. 3, 1982, 96 Stat. 620, provided that: “The amendments made by subsections (a) and (b) [enacting this section] shall take effect on the day after the date of the enactment of this Act [Sept. 3, 1982].”