General rule
Conversion into similar property
Into property similar or related in service or use to the property so converted, no gain shall be recognized.
Conversion into money
Nonrecognition of gain
Period within which property must be replaced
Time for assessment of deficiency attributable to gain upon conversion
Time for assessment of other deficiencies attributable to election
If the election provided in subparagraph (A) is made by the taxpayer and such other property or such stock was purchased before the beginning of the last taxable year in which any part of the gain upon such conversion is realized, any deficiency, to the extent resulting from such election, for any taxable year ending before such last taxable year may be assessed (notwithstanding the provisions of section 6212(c) or 6501 or the provisions of any other law or rule of law which would otherwise prevent such assessment) at any time before the expiration of the period within which a deficiency for such last taxable year may be assessed.
Definitions
Control
The term “control” means the ownership of stock possessing at least 80 percent of the total combined voting power of all classes of stock entitled to vote and at least 80 percent of the total number of shares of all other classes of stock of the corporation.
Disposition of the converted property
The term “disposition of the converted property” means the destruction, theft, seizure, requisition, or condemnation of the converted property, or the sale or exchange of such property under threat or imminence of requisition or condemnation.
Basis of property acquired through involuntary conversion
Conversions described in subsection (a)(1)
Conversions described in subsection (a)(2)
In the case of property purchased by the taxpayer in a transaction described in subsection (a)(2) which resulted in the nonrecognition of any part of the gain realized as the result of a compulsory or involuntary conversion, the basis shall be the cost of such property decreased in the amount of the gain not so recognized; and if the property purchased consists of more than 1 piece of property, the basis determined under this sentence shall be allocated to the purchased properties in proportion to their respective costs.
Property held by corporation the stock of which is replacement property
In general
If the basis of stock in a corporation is decreased under paragraph (2), an amount equal to such decrease shall also be applied to reduce the basis of property held by the corporation at the time the taxpayer acquired control (as defined in subsection (a)(2)(E)) of such corporation.
Limitation
Subparagraph (A) shall not apply to the extent that it would (but for this subparagraph) require a reduction in the aggregate adjusted bases of the property of the corporation below the taxpayer’s adjusted basis of the stock in the corporation (determined immediately after such basis is decreased under paragraph (2)).
Allocation of basis reduction
Special rules
Reduction not to exceed adjusted basis of property
No reduction in the basis of any property under this paragraph shall exceed the adjusted basis of such property (determined without regard to such reduction).
Allocation of reduction among properties
If more than 1 property is described in a clause of subparagraph (C), the reduction under this paragraph shall be allocated among such property in proportion to the adjusted bases of such property (as so determined).
Property sold pursuant to reclamation laws
For purposes of this subtitle, if property lying within an irrigation project is sold or otherwise disposed of in order to conform to the acreage limitation provisions of Federal reclamation laws, such sale or disposition shall be treated as an involuntary conversion to which this section applies.
Livestock destroyed by disease
For purposes of this subtitle, if livestock are destroyed by or on account of disease, or are sold or exchanged because of disease, such destruction or such sale or exchange shall be treated as an involuntary conversion to which this section applies.
Livestock sold on account of drought, flood, or other weather-related conditions
In general
For purposes of this subtitle, the sale or exchange of livestock (other than poultry) held by a taxpayer for draft, breeding, or dairy purposes in excess of the number the taxpayer would sell if he followed his usual business practices shall be treated as an involuntary conversion to which this section applies if such livestock are sold or exchanged by the taxpayer solely on account of drought, flood, or other weather-related conditions.
Extension of replacement period
In general
In the case of drought, flood, or other weather-related conditions described in paragraph (1) which result in the area being designated as eligible for assistance by the Federal Government, subsection (a)(2)(B) shall be applied with respect to any converted property by substituting “4 years” for “2 years”.
Further extension by Secretary
The Secretary may extend on a regional basis the period for replacement under this section (after the application of subparagraph (A)) for such additional time as the Secretary determines appropriate if the weather-related conditions which resulted in such application continue for more than 3 years.
Replacement of livestock with other farm property in certain cases
For purposes of subsection (a), if, because of drought, flood, or other weather-related conditions, or soil contamination or other environmental contamination, it is not feasible for the taxpayer to reinvest the proceeds from compulsorily or involuntarily converted livestock in property similar or related in use to the livestock so converted, other property (including real property in the case of soil contamination or other environmental contamination) used for farming purposes shall be treated as property similar or related in service or use to the livestock so converted.
Condemnation of real property held for productive use in trade or business or for investment
Special rule
For purposes of subsection (a), if real property (not including stock in trade or other property held primarily for sale) held for productive use in trade or business or for investment is (as the result of its seizure, requisition, or condemnation, or threat or imminence thereof) compulsorily or involuntarily converted, property of a like kind to be held either for productive use in trade or business or for investment shall be treated as property similar or related in service or use to the property so converted.
Limitations
Paragraph (1) shall not apply to the purchase of stock in the acquisition of control of a corporation described in subsection (a)(2)(A).
Election to treat outdoor advertising displays as real property
In general
A taxpayer may elect, at such time and in such manner as the Secretary may prescribe, to treat property which constitutes an outdoor advertising display as real property for purposes of this chapter. The election provided by this subparagraph may not be made with respect to any property with respect to which an election under section 179(a) (relating to election to expense certain depreciable business assets) is in effect.
Election
An election made under subparagraph (A) may not be revoked without the consent of the Secretary.
Outdoor advertising display
For purposes of this paragraph, the term “outdoor advertising display” means a rigidly assembled sign, display, or device permanently affixed to the ground or permanently attached to a building or other inherently permanent structure constituting, or used for the display of, a commercial or other advertisement to the public.
Character of replacement property
For purposes of this subsection, an interest in real property purchased as replacement property for a compulsorily or involuntarily converted outdoor advertising display defined in subparagraph (C) (and treated by the taxpayer as real property) shall be considered property of a like kind as the property converted without regard to whether the taxpayer’s interest in the replacement property is the same kind of interest the taxpayer held in the converted property.
Special rule
In the case of a compulsory or involuntary conversion described in paragraph (1), subsection (a)(2)(B)(i) shall be applied by substituting “3 years” for “2 years”.
Special rules for property damaged by federally declared disasters
Principal residences
Treatment of insurance proceeds
Exclusion for unscheduled personal property
No gain shall be recognized by reason of the receipt of any insurance proceeds for personal property which was part of such contents and which was not scheduled property for purposes of such insurance.
Other proceeds treated as common fund
Extension of replacement period
Subsection (a)(2)(B) shall be applied with respect to any property so converted by substituting “4 years” for “2 years”.
Trade or business and investment property
If a taxpayer’s property held for productive use in a trade or business or for investment is located in a disaster area and is compulsorily or involuntarily converted as a result of a federally declared disaster, tangible property of a type held for productive use in a trade or business shall be treated for purposes of subsection (a) as property similar or related in service or use to the property so converted.
Federally declared disaster; disaster area
The terms “federally declared disaster” and “disaster area” shall have the respective meaning given such terms by section 165(i)(5).
Principal residence
For purposes of this subsection, the term “principal residence” has the same meaning as when used in section 121, except that such term shall include a residence not treated as a principal residence solely because the taxpayer does not own the residence.
Replacement property must be acquired from unrelated person in certain cases
In general
If the property which is involuntarily converted is held by a taxpayer to which this subsection applies, subsection (a) shall not apply if the replacement property or stock is acquired from a related person. The preceding sentence shall not apply to the extent that the related person acquired the replacement property or stock from an unrelated person during the period applicable under subsection (a)(2)(B).
Taxpayers to which subsection applies
Related person
For purposes of this subsection, a person is related to another person if the person bears a relationship to the other person described in section 267(b) or 707(b)(1).
Sales or exchanges under certain hazard mitigation programs
For purposes of this subtitle, if property is sold or otherwise transferred to the Federal Government, a State or local government, or an Indian tribal government to implement hazard mitigation under the Robert T. Stafford Disaster Relief and Emergency Assistance Act (as in effect on the date of the enactment of this subsection) or the National Flood Insurance Act (as in effect on such date), such sale or transfer shall be treated as an involuntary conversion to which this section applies.
Cross references
Aug. 16, 1954, ch. 73668A Stat. 303June 29, 1956, ch. 464, § 5(a)70 Stat. 407Pub. L. 85–866, title I72 Stat. 1641Pub. L. 88–272, title II, § 206(b)(3)78 Stat. 40Pub. L. 91–172, title IX, § 915(a)83 Stat. 723Pub. L. 94–455, title XIX90 Stat. 1785Pub. L. 95–600, title IV, § 404(c)(4)92 Stat. 2870Pub. L. 97–34, title II, § 202(d)(2)95 Stat. 221Pub. L. 98–369, div. A, title IV, § 474(r)(24)98 Stat. 844Pub. L. 101–508, title XI, § 11813(b)(20)104 Stat. 1388–555Pub. L. 103–66, title XIII, § 13431(a)107 Stat. 567Pub. L. 104–7, § 3(a)(1)109 Stat. 94Pub. L. 104–188, title I110 Stat. 1765Pub. L. 105–34, title III, § 312(d)(1)111 Stat. 839Pub. L. 108–311, title IV, § 408(a)(7)(C)118 Stat. 1191Pub. L. 108–357, title III, § 311(a)118 Stat. 1466Pub. L. 109–7, § 1(b)119 Stat. 22Pub. L. 110–343, div. C, title VII, § 706(a)(2)(D)(i)122 Stat. 3922Pub. L. 113–295, div. A, title II128 Stat. 4033Pub. L. 115–141, div. U, title IV, § 401(a)(167)132 Stat. 1192(, ; , ; , §§ 45, 46(a), , ; , , ; , , ; , §§ 1901(a)(128), 1906(b)(13)(A), title XXI, §§ 2127(a), 2140(a), , , 1834, 1920, 1932; , title V, § 542(a), title VII, § 703(j)(5), , , 2888, 2941; , , ; , , ; , , ; , , ; , (b)(1), , , 95; , §§ 1119(a), (b), 1610(a), , , 1844; , (7), title IX, § 913(b), title X, § 1087(a), , , 840, 878, 959; , , ; , (b), , , 1467; , , ; –(iii), , ; , §§ 211(c)(1)(A), 221(a)(27)(D), (77), , , 4041, 4049; , , .)
Editorial Notes
References in Text
Pub. L. 93–28888 Stat. 143section 5121 of Title 42The Robert T. Stafford Disaster Relief and Emergency Assistance Act, referred to in subsec. (j), is , , , which is classified principally to chapter 68 (§ 5121 et seq.) of Title 42, The Public Health and Welfare. For complete classification of this Act to the Code, see Short Title note set out under and Tables.
Pub. L. 109–7The date of the enactment of this subsection, referred to in subsec. (j), is the date of enactment of , which was approved .
Pub. L. 90–44882 Stat. 572section 4001 of Title 42The National Flood Insurance Act, referred to in subsec. (j), probably means the National Flood Insurance Act of 1968, title XIII of , , , which is classified principally to chapter 50 (§ 4001 et seq.) of Title 42, The Public Health and Welfare. For complete classification of this Act to the Code, see Short Title note set out under and Tables.
Amendments
Pub. L. 115–1412018—Subsec. (h)(2). inserted “is” before “located”.
Pub. L. 113–295, § 211(c)(1)(A)2014—Subsec. (h)(2). , inserted “is” before “compulsorily”.
Pub. L. 113–295, § 221(a)(27)(D)Subsec. (h)(3). , substituted “section 165(i)(5)” for “section 165(h)(3)(C)”.
lPub. L. 113–295, § 221(a)(77)lSubsecs. (j) to (). , redesignated subsecs. (k) and () as (j) and (k), respectively, and struck out former subsec. (j) which related to sales or exchanges to implement microwave relocation policy.
Pub. L. 110–343, § 706(a)(2)(D)(i)2008—Subsec. (h). , amended heading generally. Prior to amendment, heading read as follows: “Special rules for property damaged by Presidentially declared disasters”.
Pub. L. 110–343, § 706(a)(2)(D)(i)Subsec. (h)(1). , reenacted heading without change and amended introductory provisions generally. Prior to amendment, introductory provisions read as follows: “If the taxpayer’s principal residence or any of its contents is compulsorily or involuntarily converted as a result of a Presidentially declared disaster—”.
Pub. L. 110–343, § 706(a)(2)(D)(ii)Subsec. (h)(2). , substituted “investment located in a disaster area and compulsorily or involuntarily converted as a result of a federally declared disaster” for “investment is compulsorily or involuntarily converted as a result of a Presidentially declared disaster”.
Pub. L. 110–343, § 706(a)(2)(D)(iii)Subsec. (h)(3). , amended par. (3) generally. Prior to amendment, par. (3) defined “Presidentially declared disaster” for purposes of subsec. (h).
lPub. L. 109–7l2005—Subsecs. (k), (). added subsec. (k) and redesignated former subsec. (k) as ().
Pub. L. 108–357, § 311(b)2004—Subsec. (e). , designated existing provisions as par. (1), inserted heading, and added par. (2).
Pub. L. 108–357, § 311(a)Subsec. (f). , in heading, substituted “in certain cases” for “where there has been environmental contamination” and, in text, inserted “drought, flood, or other weather-related conditions, or” after “because of” and “in the case of soil contamination or other environmental contamination” after “including real property”.
Pub. L. 108–311Subsec. (h)(3). inserted “Robert T. Stafford” before “Disaster Relief and Emergency Assistance Act”.
Pub. L. 105–34, § 913(b)1997—Subsec. (e). , inserted “, flood, or other weather-related conditions” after “drought” in heading and “, flood, or other weather-related conditions” before period at end of text.
Pub. L. 105–34, § 312(d)(1)Subsec. (h)(4). , substituted “section 121” for “section 1034”.
Pub. L. 105–34, § 1087(a)Subsec. (i). , amended heading and text of subsec. (i) generally. Prior to amendment, text read as follows:
In general“(1) .—In the case of—
“(A) a C corporation, or
“(B) a partnership in which 1 or more C corporations own, directly or indirectly (determined in accordance with section 707(b)(3)), more than 50 percent of the capital interest, or profits interest, in such partnership at the time of the involuntary conversion,
subsection (a) shall not apply if the replacement property or stock is acquired from a related person. The preceding sentence shall not apply to the extent that the related person acquired the replacement property or stock from an unrelated person during the period described in subsection (a)(2)(B).
Related person“(2) .—For purposes of this subsection, a person is related to another person if the person bears a relationship to the other person described in section 267(b) or 707(b)(1).”
Pub. L. 105–34, § 312(d)(7)Subsec. (k)(3). , amended par. (3) generally. Prior to amendment, par. (3) read as follows: “For one-time exclusion from gross income of gain from involuntary conversion of principal residence by individual who has attained age 55, see section 121.”
Pub. L. 104–188, § 1610(a)1996—Subsec. (b). , reenacted heading without change and amended text generally. Prior to amendment, text read as follows: “If the property was acquired, after , as the result of a compulsory or involuntary conversion described in subsection (a)(1) or section 112(f)(2) of the Internal Revenue Code of 1939, the basis shall be the same as in the case of the property so converted, decreased in the amount of any money received by the taxpayer which was not expended in accordance with the provisions of law (applicable to the year in which such conversion was made) determining the taxable status of the gain or loss upon such conversion, and increased in the amount of gain or decreased in the amount of loss to the taxpayer recognized upon such conversion under the law applicable to the year in which such conversion was made. This subsection shall not apply in respect of property acquired as a result of a compulsory or involuntary conversion of property used by the taxpayer as his principal residence if the destruction, theft, seizure, requisition, or condemnation of such residence, or the sale or exchange of such residence under threat or imminence thereof, occurred after , and before . In the case of property purchased by the taxpayer in a transaction described in subsection (a)(3) which resulted in the nonrecognition of any part of the gain realized as the result of a compulsory or involuntary conversion, the basis shall be the cost of such property decreased in the amount of the gain not so recognized; and if the property purchased consists of more than one piece of property, the basis determined under this sentence shall be allocated to the purchased properties in proportion to their respective costs.”
Pub. L. 104–188, § 1119(b)(2)Subsec. (h). , substituted “property” for “principal residences” in heading.
Pub. L. 104–188, § 1119(b)(3)Subsec. (h)(1). , substituted “Principal residences” for “In general” in heading.
Pub. L. 104–188, § 1119(a)Subsec. (h)(2). , added par. (2). Former par. (2) redesignated (3).
Pub. L. 104–188, § 1119(a)Subsec. (h)(3). , (b)(1), redesignated par. (2) as (3) and substituted “property” for “residence” before “is located”. Former par. (3) redesignated (4).
Pub. L. 104–188, § 1119(a)Subsec. (h)(4). , redesignated par. (3) as (4).
Pub. L. 104–7, § 3(a)(1)1995—Subsec. (i). , added subsec. (i). Former subsec. (i) redesignated (j).
Pub. L. 104–7, § 3(b)(1)Subsec. (j). , added subsec. (j). Former subsec. (j) redesignated (k).
Pub. L. 104–7, § 3(a)(1), redesignated subsec. (i) as (j).
Pub. L. 104–7, § 3(b)(1)Subsec. (k). , redesignated subsec. (j) as (k).
Pub. L. 103–661993—Subsecs. (h), (i). added subsec. (h) and redesignated former subsec. (h) as (i).
Pub. L. 101–5081990—Subsec. (g)(3)(A). struck out “with respect to which the investment credit determined under section 46(a) is or has been claimed or” after “to any property”.
Pub. L. 98–3691984—Subsec. (g)(3)(A). substituted “the investment credit determined under section 46(a)” for “the credit allowed by section 38 (relating to investment in certain depreciable property)”.
Pub. L. 97–341981—Subsec. (g)(3)(A). substituted “(relating to election to expense certain depreciable business assets)” for “(relating to additional first-year depreciation allowance for small business)”.
Pub. L. 95–600, § 703(j)(5)1978—Subsec. (a)(2)(A)(ii). , substituted “subsection (b)” for “subsection (c)”.
Pub. L. 95–600, § 542(a)Subsecs. (f), (g). , added subsec. (f) and redesignated former subsecs. (f) and (g) as (g) and (h), respectively.
Pub. L. 95–600Subsec. (h). , §§ 404(c)(4), 542(a), redesignated subsec. (g) as (h) and substituted in par. (3) “one-time exclusion” for “exclusion” and “age 55” for “age 65”.
Pub. L. 94–4551976—Subsec. (a)(2), (3). , §§ 1901(a)(128)(A), (B), 1906(b)(13)(A), redesignated par. (3) as (2), struck out in heading “where disposition occurred after 1950” after “Conversion into money”, in provisions preceding subpar. (A) “and the disposition of the converted property (as defined in paragraph (2)) occurred after ,” after “use to the converted property,” and in subpar. (B)(ii) “or his delegate” after “Secretary” wherever appearing, and added subpar. (E). Former par. (2), which related to involuntary conversions into money where dispositions occurred prior to 1951, was struck out.
Pub. L. 94–455, § 1901(a)(128)(C)Subsec. (b). , (D), redesignated subsec. (c) as (b) and substituted “or section 112(f)(2) of the Internal Revenue Code of 1939” for “or (2)”. Former subsec. (b), which related to application of subsec. (a) in the case of property used by taxpayer as his principal residence, if the destruction, theft, etc., occurred after 1950 and before 1954, was struck out.
Pub. L. 94–455, § 1901(a)(128)(C)Subsecs. (c) to (e). , redesignated subsecs. (d) to (f) as (c) to (e), respectively. Former subsec. (c) redesignated (b).
Pub. L. 94–455Subsec. (f). , §§ 1901(a)(128)(C), (E), (F), 2127(a), 2140(a), redesignated subsec. (g) as (f), in par. (2) struck out provisions relating to conversion of real property before , and substituted reference to subsection (a)(2)(A) for reference to subsection (a)(3)(A), and added pars. (3) and (4). Former subsec. (f) redesignated (e).
Pub. L. 94–455, § 1901(a)(128)(C)Subsecs. (g), (h). , redesignated subsec. (h) as (g). Former subsec. (g) redesignated (f).
Pub. L. 91–1721969—Subsec. (a)(3)(B). substituted “2 years” for “one year”.
Pub. L. 88–2721964—Subsec. (h)(3). added par. (3).
Pub. L. 85–866, § 451958—Subsec. (a)(2). , inserted provision defining “control”.
Pub. L. 85–866, § 46(a)Subsecs. (g), (h). , added subsec. (g) and redesignated former subsec. (g) as (h).
1956—Subsecs. (f), (g). Act , added subsec. (f) and redesignated former subsec. (f) as (g).
Statutory Notes and Related Subsidiaries
Effective Date of 2014 Amendment
section 211(c)(1)(A) of Pub. L. 113–295Pub. L. 110–343, div. Csection 211(d) of Pub. L. 113–295section 143 of this titleAmendment by effective as if included in the provisions of the Tax Extenders and Alternative Minimum Tax Relief Act of 2008, , to which such amendment relates, see , set out as a note under .
Pub. L. 113–295section 221(b) of Pub. L. 113–295section 1 of this titleAmendment by section 221(a)(27)(D), (77) of effective , subject to a savings provision, see , set out as a note under .
Effective Date of 2008 Amendment
Pub. L. 110–343section 706(d)(1) of Pub. L. 110–343section 56 of this titleAmendment by applicable to disasters declared in taxable years beginning after , see , set out as a note under .
Effective Date of 2005 Amendment
Pub. L. 109–7, § 1(c)(2)119 Stat. 22
Effective Date of 2004 Amendment
Pub. L. 108–357section 311(d) of Pub. L. 108–357section 451 of this titleAmendment by applicable to any taxable year with respect to which the due date (without regard to extensions) for the return is after , see , set out as a note under .
Effective Date of 1997 Amendment
Pub. L. 105–34section 312(d) of Pub. L. 105–34section 121 of this titleAmendment by section 312(d)(1), (7) of applicable to sales and exchanges after , with certain exceptions, see , set out as a note under .
section 913(b) of Pub. L. 105–34section 913(c) of Pub. L. 105–34section 451 of this titleAmendment by applicable to sales and exchanges after , see , set out as a note under .
Pub. L. 105–34, title X, § 1087(b)111 Stat. 959
Effective Date of 1996 Amendment
Pub. L. 104–188, title I, § 1119(d)(1)110 Stat. 1765
Pub. L. 104–188, title I, § 1610(b)110 Stat. 1845
Effective Date of 1995 Amendment
Pub. L. 104–7, § 3(a)(2)109 Stat. 95
Pub. L. 104–7, § 3(b)(2)109 Stat. 95
Effective Date of 1993 Amendment
Pub. L. 103–66, title XIII, § 13431(b)107 Stat. 567
Effective Date of 1990 Amendment
Pub. L. 101–508section 49(e) of this titlesection 46(d) of this titlesection 46(b)(2)(C) of this titlesection 11813(c) of Pub. L. 101–508section 45K of this titleAmendment by applicable to property placed in service after , but not applicable to any transition property (as defined in ), any property with respect to which qualified progress expenditures were previously taken into account under , and any property described in , as such sections were in effect on , see , set out as a note under .
Effective Date of 1984 Amendment
Pub. L. 98–369section 475(a) of Pub. L. 98–369section 21 of this titleAmendment by applicable to taxable years beginning after , and to carrybacks from such years, see , set out as a note under .
Effective Date of 1981 Amendment
Pub. L. 97–34section 209(a) of Pub. L. 97–34section 168 of this titleAmendment by applicable to property placed in service after , in taxable years ending after that date, see , set out as an Effective Date note under .
Effective Date of 1978 Amendment
section 404(c)(4) of Pub. L. 95–600section 404(d)(1) of Pub. L. 95–600section 121 of this titleAmendment by applicable to sales or exchanges after , in taxable years ending after such date, see , set out as a note under .
Pub. L. 95–600, title V, § 542(b)92 Stat. 2888
section 703(j)(5) of Pub. L. 95–600section 703(r) of Pub. L. 95–600section 46 of this titleAmendment by effective on , see , set out as a note under .
Effective Date of 1976 Amendment
section 1901(a)(128) of Pub. L. 94–455section 1901(d) of Pub. L. 94–455section 2 of this titleAmendment by effective for taxable years beginning after , see , set out as a note under .
Pub. L. 94–455, title XXI, § 2127(b)90 Stat. 1921
Pub. L. 94–455, title XXI, § 2140(b)90 Stat. 1932Pub. L. 99–514, § 2100 Stat. 2095
Effective Date of 1969 Amendment
Pub. L. 91–172, title IX, § 915(b)83 Stat. 723Pub. L. 99–514, § 2100 Stat. 2095
Effective Date of 1964 Amendment
Pub. L. 88–272section 206(c) of Pub. L. 88–272section 121 of this titleAmendment by applicable to dispositions after , in taxable years ending after such date, see , set out as an Effective Date note under .
Effective Date of 1958 Amendment
Pub. L. 85–866section 1(c)(1) of Pub. L. 85–866section 165 of this titleAmendment by applicable to taxable years beginning after , and ending after , see , set out as a note under .
Effective Date of 1956 Amendment
Act June 29, 1956, ch. 464, § 5(b)70 Stat. 407
Savings Provision
Pub. L. 101–508section 11821(b) of Pub. L. 101–508section 45K of this titleFor provisions that nothing in amendment by be construed to affect treatment of certain transactions occurring, property acquired, or items of income, loss, deduction, or credit taken into account prior to , for purposes of determining liability for tax for periods ending after , see , set out as a note under .