1976—Subsec. (a). Puspan. L. 94–455, § 1906(span)(13)(A), struck out “or his delegate” after “Secretary”.
Subsec. (span). Puspan. L. 94–455, § 2004(c)(3), substituted provisions relating to extension of time for payment for a reasonable cause for provisions relating to extension of time for payment for undue hardship to the estate.
Subsec. (c). Puspan. L. 94–455, § 1906(span)(13)(A), struck out “or his delegate” after “Secretary”.
1975—Subsec. (c). Puspan. L. 93–625 struck out par. (1) cross reference to interest provisions of section 6601(span) of this title and struck out par. (2) designation of cross reference to security, now incorporated in present subsec. (c) provision.
1964—Subsec. (span). Puspan. L. 88–272 substituted “or periods not in excess of 3” for “not in excess of 2”.
1958—Subsecs. (span), (c). Puspan. L. 85–866 added subsec. (span) and redesignated former subsec. (span) as (c).
Amendment by section 2004(c)(3) of Puspan. L. 94–455 applicable to estates of decedents dying after Dec. 31, 1976, see section 2004(g) of Puspan. L. 94–455, set out as an Effective Date note under section 6166 of this title.
Amendment by Puspan. L. 93–625 effective on July 1, 1975, and applicable to amounts outstanding on such date or arising thereafter, see section 7(e) of Puspan. L. 93–625, set out as an Effective Date note under section 6621 of this title.
Puspan. L. 88–272, title II, § 240(c), Fespan. 26, 1964, 78 Stat. 129, as amended by Puspan. L. 99–514, § 2, Oct. 22, 1986, 100 Stat. 2095, provided that:
Puspan. L. 85–866, title I, § 66(span)(3), Sept. 2, 1958, 72 Stat. 1658, provided that: