Amendments
2006—Subsec. (b). Pub. L. 109–280 inserted at end “Notwithstanding the preceding sentence, the Tax Court may apply the doctrine of equitable recoupment to the same extent that it is available in civil tax cases before the district courts of the United States and the United States Court of Federal Claims.” 1996—Subsec. (e). Pub. L. 104–188 amended subsec. (e) generally, striking par. (2) designation and par. (1) which provided cross reference to
section 6621(c)(4) of this title for provision giving Tax Court jurisdiction to determine whether any portion of deficiency is a substantial underpayment attributable to tax motivated transactions. 1988—Subsec. (c). Pub. L. 100–418, § 1941(b)(2)(B)(vi), substituted “or 44” for “44, or 45” in heading and wherever appearing in text. Subsec. (d). Pub. L. 100–418, § 1941(b)(2)(B)(vii), substituted “or 44” for “44, or 45”. Subsec. (e). Pub. L. 100–647 substituted “references” for “reference” in heading, designated existing provisions as par. (1), and added par. (2). 1986—Subsec. (a). Pub. L. 99–514, § 1554(a), substituted “any addition to the tax” for “addition to the tax”. Subsec. (c). Pub. L. 99–514, § 1833, substituted “
section 4963(b)” for “
section 4962(b)”. Subsec. (e). Pub. L. 99–514, § 1511(c)(8), substituted “
section 6621(c)(4)” for “
section 6621(d)(4)”. 1984—Subsec. (e). Pub. L. 98–369 added subsec. (e). 1980—Subsec. (c). Pub. L. 96–596 inserted provision directing the Tax Court, in redetermining a deficiency of any second tier tax, to make a determination with respect to whether the taxable event has been corrected. Pub. L. 96–223, § 101(f)(1)(F), inserted reference to chapter 45. Subsec. (d). Pub. L. 96–223, § 101(f)(1)(G), inserted reference to chapter 45. 1976—Subsec. (a). Pub. L. 94–455, § 1906(b)(13)(A), struck out “or his delegate” after “Secretary”. Subsec. (c). Pub. L. 94–455, §§ 1307(d)(2)(F)(iv), (H), 1605(b)(7)(A), (B), substituted in heading and in text “41, 42, 43, or 44” for “42 or 43”. Subsec. (d). Pub. L. 94–455, §§ 1307(d)(2)(F)(iv), 1605(b)(7)(C), substituted “41, 42, 43, or 44” for “42 or 43”. 1974—Subsec. (c). Pub. L. 93–406, § 1016(a)(12)(A), (B), inserted reference to chapter 43 in heading and in text. Subsec. (d). Pub. L. 93–406, § 1016(a)(12)(C), inserted reference to chapter 43. 1970—Subsec. (b). Pub. L. 91–614 inserted reference to calendar quarters in heading and in text in regard to gift tax deficiencies. 1969—Subsec. (a). Pub. L. 91–172, § 960(a), inserted reference to exception provided for in
section 7463 of this title. Subsecs. (c), (d). Pub. L. 91–172, § 101(j)(43), (44), added subsec. (c), redesignated former subsec. (c) as (d), and, in subsec. (d) as so redesignated, inserted reference to chapter 42.
Statutory Notes and Related Subsidiaries
Effective Date
of 2006 Amendment Pub. L. 109–280, title VIII, § 858(b), Aug. 17, 2006, 120 Stat. 1020, provided that: “The amendment made by this section [amending this section] shall apply to any action or proceeding in the United States Tax Court with respect to which a decision has not become final (as determined under
section 7481 of the Internal Revenue Code of 1986) as of the date of the enactment of this Act [Aug. 17, 2006].”
Effective Date
of 1988
Amendments
Pub. L. 100–647, title VI, § 6244(c), Nov. 10, 1988, 102 Stat. 3750, provided that: “The
Amendments
made by this section [amending this section and
section 6512 of this title] shall apply to overpayments determined by the Tax Court which have not yet been refunded by the 90th day after the date of the enactment of this Act [Nov. 10, 1988].” Amendment by Pub. L. 100–418 applicable to crude oil removed from the premises on or after Aug. 23, 1988, see
section 1941(c) of Pub. L. 100–418, set out as a note under
section 164 of this title.
Effective Date
of 1986 AmendmentAmendment by
section 1511(c)(8) of Pub. L. 99–514 applicable for purposes of determining interest for periods after Dec. 31, 1986, see
section 1511(d) of Pub. L. 99–514, set out as a note under
section 47 of this title. Pub. L. 99–514, title XV, § 1554(b), Oct. 22, 1986, 100 Stat. 2754, provided that: “The amendment made by subsection (a) [amending this section] shall apply to any action or proceeding in the Tax Court with respect to which a decision has not become final (as determined under
section 7481 of the Internal Revenue Code of 1954 [now 1986]) before the date of the enactment of this Act [Oct. 22, 1986].” Amendment by
section 1833 of Pub. L. 99–514 effective, except as otherwise provided, as if included in the provisions of the Tax Reform Act of 1984, Pub. L. 98–369, div. A, to which such amendment relates, see
section 1881 of Pub. L. 99–514, set out as a note under
section 48 of this title.
Effective Date
of 1984 AmendmentAmendment by Pub. L. 98–369 applicable with respect to interest accruing after Dec. 31, 1984, see
section 144(c) of Pub. L. 98–369, set out as a note under
section 6621 of this title.
Effective Date
of 1980
Amendments
For
Effective Date
of amendment by Pub. L. 96–596 with respect to any first tier tax and to any second tier tax, see
section 2(d) of Pub. L. 96–596, set out as an
Effective Date
note under
section 4961 of this title. Amendment by Pub. L. 96–223 applicable to periods after Feb. 29, 1980, see
section 101(i) of Pub. L. 96–223, set out as a note under
section 6161 of this title.
Effective Date
of 1976 AmendmentAmendment by
section 1307(d)(2)(F)(iv), (H) of Pub. L. 94–455 effective on and after Oct. 4, 1976, see
section 1307(e)(6) of Pub. L. 94–455, set out as a note under
section 501 of this title. For
Effective Date
of amendment by
section 1605(b)(7) of Pub. L. 94–455, see
section 1608(d) of Pub. L. 94–455, set out as a note under
section 856 of this title.
Effective Date
of 1974 AmendmentAmendment by Pub. L. 93–406 applicable, except as otherwise provided in
section 1017(c) through (i) of Pub. L. 93–406, for plan years beginning after Sept. 2, 1974, but, in the case of plans in existence on Jan. 1, 1974, amendment by Pub. L. 93–406 applicable for plan years beginning after Dec. 31, 1975, see
section 1017 of Pub. L. 93–406, set out as an
Effective Date
Transitional Rules note under
section 410 of this title.
Effective Date
of 1970 AmendmentAmendment by Pub. L. 91–614 applicable with respect to gifts made after Dec. 31, 1970, see
section 102(e) of Pub. L. 91–614, set out as a note under
section 2501 of this title.
Effective Date
of 1969 AmendmentAmendment by
section 101(j)(43), (44) of Pub. L. 91–172 effective Jan. 1, 1970, see
section 101(k)(1) of Pub. L. 91–172, set out as an
Effective Date
note under
section 4940 of this title. Amendment by
section 960(a) of Pub. L. 91–172 effective one year after Dec. 30, 1969, see
section 962(e) of Pub. L. 91–172, set out as an
Effective Date
note under
section 7463 of this title. Plan
Amendments
Not Required Until January 1, 1989For provisions directing that if any
Amendments
made by subtitle A or subtitle C of title XI [§§ 1101–1147 and 1171–1177] or title XVIII [§§ 1800–1899A] of Pub. L. 99–514 require an amendment to any plan, such plan amendment shall not be required to be made before the first plan year beginning on or after Jan. 1, 1989, see
section 1140 of Pub. L. 99–514, as amended, set out as a note under
section 401 of this title.