2010—Subsecs. (d), (e). Puspan. L. 111–148 added subsecs. (d) and (e).

1989—Subsec. (a). Puspan. 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.

Amendment by Puspan. L. 101–239 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 7891(f) of Puspan. L. 101–239, set out as a note under section 1002 of this title.

Secretary authorized, effective Sept. 2, 1974, to promulgate regulations wherever provisions of this subchapter call for the promulgation of regulations, see section 1031 of this title.