Code of Federal Regulations · Section
§ 1.9006-1 — -1 Interest And Penalties In Case Of Certain Taxable Years
26 C.F.R. § 1.9006-1
(a) Interest on underpayment. The Internal Revenue Code of 1954 was amended in many important respects by the Tax Reform Act of 1969. Certain of these amendments affect taxable years ending prior to December 30, 1969 (the date of enactment of the Act) and thereby may cause underpayments of tax by a number of taxpayers for those years. Under section 6601(a) of the Code, interest at the rate of 6 percent per annum is imposed upon the amount of any such underpayment. The effect of section 946(a) of the Act is to prevent the assessment or collection of interest on an underpayment of tax for any taxable year ending before December 30, 1969, if such underpayment is attributable to any amendment made by such Act, for the period from the due date for payment until March 30, 1970. Thus, the taxpayer is afforded an interest-free period of 90 days from the date of enactment of such Act within which to account for the changes in the law affecting him and to remit the amount of such underpayment. If, on or after March 30, 1970, the amount of any underpayment (or portion thereof) attributable to an amendment made by the Act remains unpaid, then, as of such date, such underpayment (or portion thereof) shall be subject to interest as provided by section 6601 of the Code, to be computed from such date. However, if a corporation or farmers' cooperative elects to pay its final tax in two installments under section 6152 of the Code and if the second installment is due after March 30, 1970, then, in order to escape the imposition of interest under section 6601, such corporation or cooperative need pay only one-half of the additional tax arising from an amendment made by the Act before March 30, 1970, with the remaining one-half payable as part of the second installment on the regular due date for that installment. In the case of an underpayment of tax which is only partly attributable to an amendment made by the Act, section 946(a) of such Act shall apply only to the extent that such underpayment is so attributable.
(b) Declarations and payments of estimated tax. (1) In the case of a taxable year beginning before December 30, 1969, section 946(b) of the Tax Reform Act of 1969 provides transitional rules with respect to the payment of estimated tax and, in the case of an individual, the filing of a declaration of estimated tax. Under such section 946(b) in the case of such a year, if any taxpayer is required to make a declaration or amended declaration of estimated tax, or to pay any amount or additional amount of estimated tax, by reason of the amendments made by the Act, such amount or additional amount shall be paid ratably on or before each of the remaining installment dates for the taxable year beginning with the first installment date on or after February 15, 1970. For purposes of section 946(b) of such Act and this section, the term “installment date” means any date on which, under section 6153 or 6154 of the Code (whichever is applicable), an installment payment of estimated tax is required to be made by the taxpayer.
(2) With respect to any declaration or payment of estimated tax before February 15, 1970, sections 6015, 6153, 6154, 6654, and 6655 of the Code shall be applied without regard to the amendments made by such Act. Therefore, any underpayment which occurs solely by reason of the amendments made by such Act shall not be treated as an underpayment in the case of installment dates before February 15, 1970. Similarly, in the case of a taxpayer all of whose installment dates occur prior to February 15, 1970, no payment of estimated tax need be made to reflect the amendments made by such Act.
(3) The following example illustrates the application of the provisions of subparagraphs (1) and (2) of this paragraph:
A, a fiscal year taxpayer with a taxable year from July 1, 1969, through June 30, 1970, had, without regard to the enactment of the Tax Reform Act of 1969, a total tax liability, which would have been shown on his return, of $500. A is not a farmer or fisherman described in section 6037(b). A's tax liability is increased by $20 to $520, attributable to an amendment made by such Act. A makes an installment payment of estimated tax of $90 on each of the following four installment dates: October 15, 1969; December 15, 1969; March 15, 1970; and July 15, 1970. Assume that A is unaffected by the exceptions provided in section 6654(d). Therefore, A is underpaid by $10 on both October 15 and December 15, and by $18 on both March 15 and July 15. Such underpayments are computed as follows:
(c) Cross references. (1) Taxpayers affected by the following sections, among others, of the Tax Reform Act of 1969 may be subject to the provisions of section 946 (a) or (b) (whichever is applicable) of such Act:
(i) Act section 201(a), which adds section 170(f)(2) to the Code and which applies to gifts made after July 31, 1969.
(ii) Act section 201(c), which repeals section 673(b) of the Code and which applies to transfers in trust made after April 22, 1969.
(iii) Act section 212(c), which amends section 1031 of the Code and which applies to taxable years to which the 1954 Code applies.
(iv) Act section 332, which amends section 677 of the Code and which applies to property transferred in trust after October 9, 1969.
(v) Act section 411(a), which adds section 279 to the Code and which applies to interest paid or incurred on an indebtedness incurred after October 9, 1969.
(vi) Act sections 412 (a) and (b), which adds section 453(b)(3) to the Code and which apply to sales or other dispositions occurring after May 27, 1969, which are not made pursuant to a contract entered into on or before that date.
(vii) Act section 413, which amends sections 1232(a), 1232(b)(2), and 6049 of the Code and which applies to bonds and other evidences of indebtedness issued after May 27, 1969.
(viii) Act section 414, which adds section 249 to the Code and which applies to convertible bonds or other convertible evidences of indebtedness repurchased after April 22, 1969.
(ix) Act section 421(a), which amends section 305 of the Code and which applies to distributions made after January 10, 1969.
(x) Act sections 516 (a) and (d), which add section 1001(e) to the Code and which apply to sales of life estates made after October 9, 1969.
(xi) Act section 601, which amends section 103 of the Code and which applies to obligations issued after October 9, 1969.
(xii) Act section 703 which amends sections 46(b) and 47(a) of the Code and which applies to section 38 property built or acquired after April 18, 1969.
(xiii) Act section 905, which adds section 311(d) to the Code and which applies to distributions made after November 30, 1969.
(2) In addition to the references in subparagraph (1) of this paragraph, section 946(b) of the Tax Reform Act of 1969 may apply to taxpayers affected by the following sections, among others, of such Act:
(i) Act section 201(a), which adds section 170(e) to the Code and which applies to contributions paid after December 31, 1969.
(ii) Act sections 501 (a) and (b), which amend section 613 of the Code and which apply to taxable years beginning after October 9, 1969.
(iii) Act sections 516 (c) and (d) which add section 1253 to the Code and which apply to transfers after December 31, 1969.
(iv) Act section 701(a), which amends section 51 of the Code and which applies to taxable years ending after December 31, 1969, and beginning before July 1, 1970.
Authorizing Statute
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Rules and regulations26 U.S.C. § 7805
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Advanced manufacturing production credit26 U.S.C. § 45X
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Alcohol, etc., used as fuel26 U.S.C. § 40
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Gross income defined26 U.S.C. § 61
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Transfers of excess pension assets to retiree health accounts26 U.S.C. § 420
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Partial exclusion for gain from certain small business stock26 U.S.C. § 1202
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Tax treatment of stripped bonds26 U.S.C. § 1286
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Current taxation of income from qualified electing funds26 U.S.C. § 1293
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Imposition of tax on certain foreign procurement26 U.S.C. § 5000C
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Returns regarding payments of interest26 U.S.C. § 6049
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Signing of returns and other documents26 U.S.C. § 6061
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General requirement of return, statement, or list26 U.S.C. § 6011
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Income from discharge of indebtedness26 U.S.C. § 108
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Indian general welfare benefits26 U.S.C. § 139E
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Bonds must be registered to be tax exempt; other requirements26 U.S.C. § 149
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Trade or business expenses26 U.S.C. § 162
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Accelerated cost recovery system26 U.S.C. § 168
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Amortizable bond premium26 U.S.C. § 171
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Golden parachute payments26 U.S.C. § 280G
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Distributions of stock and stock rights26 U.S.C. § 305
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Transfer to corporation controlled by transferor26 U.S.C. § 351
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Special rules for long-term contracts26 U.S.C. § 460
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Determination of basis of partner’s interest26 U.S.C. § 705
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Taxes of foreign countries and of possessions of United States26 U.S.C. § 901
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Controlled foreign corporations; United States persons26 U.S.C. § 957
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New energy efficient home credit26 U.S.C. § 45L
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2-percent floor on miscellaneous itemized deductions26 U.S.C. § 67
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Certain death benefits26 U.S.C. § 101
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Qualified business income26 U.S.C. § 199A
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Installment method26 U.S.C. § 453
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Certain payments for the use of property or services26 U.S.C. § 467
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Partners, not partnership, subject to tax26 U.S.C. § 701
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Extent of recognition of gain or loss on distribution26 U.S.C. § 731
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Capitalization of certain policy acquisition expenses26 U.S.C. § 848
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Special rules for determining source26 U.S.C. § 863
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Income of foreign governments and of international organizations26 U.S.C. § 892
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Definitions and special rules26 U.S.C. § 6241
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Computation and payment of tax26 U.S.C. § 1503
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Adjusted gross income defined26 U.S.C. § 62
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Treatment of loans with below-market interest rates26 U.S.C. § 7872
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Basis to distributees26 U.S.C. § 358
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Minimum participation standards26 U.S.C. § 410
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Other definitions and special rules26 U.S.C. § 860G
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Adjustments required by changes in method of accounting26 U.S.C. § 481
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Definitions26 U.S.C. § 7701
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Insurance income26 U.S.C. § 953
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Returns relating to actions affecting basis of specified securities26 U.S.C. § 6045B
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Information relating to certain trusts and annuity plans26 U.S.C. § 6047
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Enhanced oil recovery credit26 U.S.C. § 43
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Energy efficient commercial buildings deduction26 U.S.C. § 179D
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Redemption through use of related corporations26 U.S.C. § 304
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Certain stock purchases treated as asset acquisitions26 U.S.C. § 338
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Special limitations on certain excess credits, etc.26 U.S.C. § 383
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Optional treatment of elective deferrals as Roth contributions26 U.S.C. § 402A
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General rule for taxable year of inclusion26 U.S.C. § 451
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Qualified ABLE programs26 U.S.C. § 529A
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Charitable remainder trusts26 U.S.C. § 664
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Nonrecognition of gain or loss on contribution26 U.S.C. § 721
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Investment of earnings in United States property26 U.S.C. § 956
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Definitions and special rule26 U.S.C. § 1377
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Relief from joint and several liability on joint return26 U.S.C. § 6015
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Return of S corporation26 U.S.C. § 6037
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Notice of certain transfers to foreign persons26 U.S.C. § 6038B
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Information at source26 U.S.C. § 6041
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Imposition of accuracy-related penalty on underpayments26 U.S.C. § 6662
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Tax imposed26 U.S.C. § 1
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Railroad track maintenance credit26 U.S.C. § 45G
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Zero-emission nuclear power production credit26 U.S.C. § 45U
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Rehabilitation credit26 U.S.C. § 47
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Clean electricity investment credit26 U.S.C. § 48E
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Special rules26 U.S.C. § 52
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Election to expense certain depreciable business assets26 U.S.C. § 179
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Individual retirement accounts26 U.S.C. § 408
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Special rules for nondealers26 U.S.C. § 453A
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Deductions limited to amount at risk26 U.S.C. § 465
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Exemption from tax on corporations, certain trusts, etc.26 U.S.C. § 501
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Definition of regulated investment company26 U.S.C. § 851
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Source rules for personal property sales26 U.S.C. § 865
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Tax on nonresident alien individuals26 U.S.C. § 871
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Foreign base company income26 U.S.C. § 954
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S corporation defined26 U.S.C. § 1361
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Definitions26 U.S.C. § 1402
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Distributions of property26 U.S.C. § 301
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Life insurance contract defined26 U.S.C. § 7702
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Previously-owned clean vehicles26 U.S.C. § 25E
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Electricity produced from certain renewable resources, etc.26 U.S.C. § 45
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Clean fuel production credit26 U.S.C. § 45Z
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Taxation of employee annuities26 U.S.C. § 403
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Last-in, first-out inventories26 U.S.C. § 472
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Allocation of income and deductions among taxpayers26 U.S.C. § 482
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Definitions applicable to subparts A, B, C, and D26 U.S.C. § 643
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Taxable years of partner and partnership26 U.S.C. § 706
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Disposition of investment in United States real property26 U.S.C. § 897
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Administrative adjustment request by partnership26 U.S.C. § 6227
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Citizens or residents of the United States living abroad26 U.S.C. § 911
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Residence and source rules involving possessions26 U.S.C. § 937
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Rules relating to expatriated entities and their foreign parents26 U.S.C. § 7874
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Regulations26 U.S.C. § 1502
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Capitalization and inclusion in inventory costs of certain expenses26 U.S.C. § 263A
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Foreign corporations26 U.S.C. § 367
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Roth IRAs26 U.S.C. § 408A
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Minimum vesting standards26 U.S.C. § 411
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Partner’s distributive share26 U.S.C. § 704
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Unrealized receivables and inventory items26 U.S.C. § 751
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Taxation of residual interests26 U.S.C. § 860C
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Exclusions from gross income26 U.S.C. § 883
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Income affected by treaty26 U.S.C. § 894
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Other definitions and special rules26 U.S.C. § 989
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Special rules26 U.S.C. § 1474
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Returns of brokers26 U.S.C. § 6045
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Information returns of tax return preparers26 U.S.C. § 6060
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Authority to make credits or refunds26 U.S.C. § 6402
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Failure by individual to pay estimated income tax26 U.S.C. § 6654
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Interest on certain home mortgages26 U.S.C. § 25
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Credit for qualified commercial clean vehicles26 U.S.C. § 45W
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Interest on State and local bonds26 U.S.C. § 103
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Qualified lessee construction allowances for short-term leases26 U.S.C. § 110
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Losses26 U.S.C. § 165
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Charitable, etc., contributions and gifts26 U.S.C. § 170
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Incentive stock options26 U.S.C. § 422
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Deemed paid credit for subpart F inclusions26 U.S.C. § 960
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Election of mark to market for marketable stock26 U.S.C. § 1296
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Returns relating to certain life insurance contract transactions26 U.S.C. § 6050Y
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Clean vehicle credit26 U.S.C. § 30D
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Credit for carbon oxide sequestration26 U.S.C. § 45Q
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Amount of credit26 U.S.C. § 46
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Advanced manufacturing investment credit26 U.S.C. § 48D
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Arbitrage26 U.S.C. § 148
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Amortization of goodwill and certain other intangibles26 U.S.C. § 197
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Interest on education loans26 U.S.C. § 221
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Disallowance of certain entertainment, etc., expenses26 U.S.C. § 274
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Qualifications for tax credit employee stock ownership plans26 U.S.C. § 409
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Unrelated debt-financed income26 U.S.C. § 514
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Rules for allocation of basis26 U.S.C. § 755
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Rules for certain reserves26 U.S.C. § 807
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Special rules in case of foreign oil and gas income26 U.S.C. § 907
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Basis of property acquired from a decedent26 U.S.C. § 1014
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Special rules26 U.S.C. § 1298
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Definitions26 U.S.C. § 3401
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Extension of time for filing returns26 U.S.C. § 6081
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Renumbered § 45C]26 U.S.C. § 28
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Credit for production of clean hydrogen26 U.S.C. § 45V
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Energy credit26 U.S.C. § 48
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Limitation on credit26 U.S.C. § 904
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Qualified pension, profit-sharing, and stock bonus plans26 U.S.C. § 401
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Dependent care assistance programs26 U.S.C. § 129
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Special rules for nuclear decommissioning costs26 U.S.C. § 468A
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Mark to market accounting method for dealers in securities26 U.S.C. § 475
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Basis of distributed property other than money26 U.S.C. § 732
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Straddles26 U.S.C. § 1092
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Qualified electing fund26 U.S.C. § 1295
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Averaging of farm income26 U.S.C. § 1301
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Withholdable payments to foreign financial institutions26 U.S.C. § 1471
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Definitions26 U.S.C. § 1504
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Basis information to persons acquiring property from decedent26 U.S.C. § 6035
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Information with respect to certain foreign-owned corporations26 U.S.C. § 6038A
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Returns relating to cash received in trade or business, etc.26 U.S.C. § 6050I
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Credit for increasing research activities26 U.S.C. § 41
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Definitions and special rules26 U.S.C. § 150
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Passive activity losses and credits limited26 U.S.C. § 469
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Certain expenses for which credits are allowable26 U.S.C. § 280C
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Assumption of liability26 U.S.C. § 357
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Complete liquidations of subsidiaries26 U.S.C. § 332
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Distribution of stock and securities of a controlled corporation26 U.S.C. § 355
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Period for computation of taxable income26 U.S.C. § 441
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General rule for taxable year of deduction26 U.S.C. § 461
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Special rules for modified guaranteed contracts26 U.S.C. § 817A
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Treatment of variable contracts26 U.S.C. § 817
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Certain reinsurance agreements26 U.S.C. § 845
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Failure to file notice of redetermination of foreign tax26 U.S.C. § 6689
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Branch transactions26 U.S.C. § 987
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Qualified zone property defined26 U.S.C. § 1397D
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Withholdable payments to other foreign entities26 U.S.C. § 1472
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Liquidating, etc., transactions26 U.S.C. § 6043
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Verification of returns26 U.S.C. § 6065
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Mode or time of collection26 U.S.C. § 6302
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Transfer of certain credits26 U.S.C. § 6418
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American Opportunity and Lifetime Learning credits26 U.S.C. § 25A
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Refundable credit for coverage under a qualified health plan26 U.S.C. § 36B
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Clean electricity production credit26 U.S.C. § 45Y
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Other special rules26 U.S.C. § 50
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Treatment of community income26 U.S.C. § 66
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Basis to corporations26 U.S.C. § 362
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Election of taxable year other than required taxable year26 U.S.C. § 444
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Transactions between partner and partnership26 U.S.C. § 707
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Special allocation rules for certain asset acquisitions26 U.S.C. § 1060
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Discounted unpaid losses defined26 U.S.C. § 846
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Definitions and special rules26 U.S.C. § 864
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Capital asset defined26 U.S.C. § 1221
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Interest on tax deferral26 U.S.C. § 1291
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Passive foreign investment company26 U.S.C. § 1297
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Withholding of tax on nonresident aliens26 U.S.C. § 1441
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Returns as to interests in foreign partnerships26 U.S.C. § 6046A
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State and local income tax refunds26 U.S.C. § 6050E
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Returns relating to exchanges of certain partnership interests26 U.S.C. § 6050K
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Returns relating to higher education tuition and related expenses26 U.S.C. § 6050S
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Reporting of health insurance coverage26 U.S.C. § 6055
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Low-income housing credit26 U.S.C. § 42
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New markets tax credit26 U.S.C. § 45D
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Definitions and special rules26 U.S.C. § 414
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Qualified asset account; limitation on additions to account26 U.S.C. § 419A
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General rule for methods of accounting26 U.S.C. § 446
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Interest on certain deferred payments26 U.S.C. § 483
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Reserves for losses on loans of banks26 U.S.C. § 585
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Certain revocable trusts treated as part of estate26 U.S.C. § 645
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Insurance company taxable income26 U.S.C. § 832
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Income from sources within the United States26 U.S.C. § 861
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Treatment of certain foreign currency transactions26 U.S.C. § 988
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Functional currency26 U.S.C. § 985
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Other definitions and special rules26 U.S.C. § 1275
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Election to extend time for payment of tax on undistributed earnings26 U.S.C. § 1294
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Requirement to maintain minimum essential coverage26 U.S.C. § 5000A
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Returns by exempt organizations26 U.S.C. § 6033
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Information with respect to foreign financial assets26 U.S.C. § 6038D
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Returns relating to the cancellation of indebtedness by certain entities26 U.S.C. § 6050P
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Identifying numbers26 U.S.C. § 6109
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Elective payment of applicable credits26 U.S.C. § 6417
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Certain fringe benefits26 U.S.C. § 132
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Dependent defined26 U.S.C. § 152
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Interest26 U.S.C. § 163
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Bad debts26 U.S.C. § 166
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Special rules for credits and deductions26 U.S.C. § 642
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General rule for inventories26 U.S.C. § 471
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Political organizations26 U.S.C. § 527
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Special rules applicable to sections 661 and 66226 U.S.C. § 663
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Allowance of deductions and credits26 U.S.C. § 874
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Branch profits tax26 U.S.C. § 884
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Tax imposed on certain built-in gains26 U.S.C. § 1374
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Foreign tax-exempt organizations26 U.S.C. § 1443
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Valuation tables26 U.S.C. § 7520
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Losses on small business stock26 U.S.C. § 1244
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Distributions26 U.S.C. § 1368
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Definitions26 U.S.C. § 1473
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Information with respect to certain fines, penalties, and other amounts26 U.S.C. § 6050X
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Failure by corporation to pay estimated income tax26 U.S.C. § 6655