(Pub. L. 93–406, title IV, §4210, as added Pub. L. 96–364, title I, §104(2), Sept. 26, 1980, 94 Stat. 1226; amended Pub. L. 101–239, title VII, §7891(a)(1), Dec. 19, 1989, 103 Stat. 2445; Pub. L. 109–280, title II, §204(c)(1), Aug. 17, 2006, 120 Stat. 887.)
2006—Subsec. (b)(1) to (4). Pub. L. 109–280 redesignated pars. (2) to (4) as (1) to (3), respectively, and struck out former par. (1) which read as follows: "the plan is not a plan which primarily covers employees in the building and construction industry;".
1989—Subsec. (b)(3). Pub. L. 101–239 substituted "Internal Revenue Code of 1986" for "Internal Revenue Code of 1954", which for purposes of codification was translated as "title 26" thus requiring no change in text.
Pub. L. 109–280, title II, §204(c)(3), Aug. 17, 2006, 120 Stat. 887, provided that: "The amendments made by this subsection [amending this section and section 1391 of this title] shall apply with respect to plan withdrawals occurring on or after January 1, 2007."
Amendment by Pub. L. 101–239 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 7891(f) of Pub. L. 101–239, set out as a note under section 1002 of this title.