2001—Pub. L. 107–16, §§ 532(c)(4), 901, temporarily struck out “2011 or” before “2014”. See Effective and Termination Dates of 2001 Amendment note below.

1958—Pub. L. 85–866 substituted “the time for payment of the tax imposed by section 2001 or 2101 as postponed and extended under section 6163” for “60 days after the termination of the precedent interest or interests in the property”.

Amendment by Pub. L. 107–16 applicable to estates of decedents dying, and generation-skipping transfers, after Dec. 31, 2004, see section 532(d) of Pub. L. 107–16, set out as a note under section 2011 of this title.

Amendment by Pub. L. 107–16 inapplicable to estates of decedents dying, gifts made, or generation skipping transfers, after Dec. 31, 2010, and the Internal Revenue Code of 1986 to be applied and administered to such estates, gifts, and transfers as if such amendment had never been enacted, see section 901 of Pub. L. 107–16, set out as a note under section 1 of this title.

Section 66(a)(3) of Pub. L. 85–866 provided that: “The amendments made by paragraphs (1) and (2) [amending this section and section 927 of I.R.C. 1939] shall apply in the case of any reversionary or remainder interest in property only if the precedent interest or interests in the property did not terminate before the beginning of the 60-day period which ends on the date of the enactment of this Act [Sept. 2, 1958].”