26 CFR 301.6621-1 - Interest rate.

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§ 301.6621-1 Interest rate.
(a) In general. The interest rate established under section 6621 shall be—
(1) On amounts outstanding before July 1, 1975, 6 percent per annum (or 4 percent in the case of certain extensions of time for payment of taxes as provided in sections 6601 (b) and (j) prior to amendment by section 7(b) of the Act of Jan. 3, 1975 (Pub. L. 93-625, 88 Stat. 2115), and certain overpayments of the unrelated business income tax as provided in section 514(b)(3)(D), prior to its amendment by such Act).
(2) On amounts outstanding—
After And before Rate per annum (percent)
June 30, 1975 Feb. 1, 1976 9
Jan. 31, 1976 Feb. 1, 1978 7
Jan. 31, 1978 Feb. 1, 1980 6
Jan. 31, 1980 Feb. 1, 1982 12
Jan. 31, 1982 Jan. 1, 1983 20
(3) On amounts outstanding after December 31, 1982, the adjusted rate established by the Commissioner under section 6621(b). This adjusted rate shall be published by the Commissioner in a Revenue Ruling. See § 301.6622-1 for application of daily compounding in determining interest accruing after December 31, 1982. Because interest accruing after December 31, 1982, accrues at the prescribed rate per annum compounded daily, the effective annual percentage rate of interest will exceed the prescribed rate of interest.
(b) [Reserved]
(c) Applicability of interest rate—
(1) Computation. Interest and additions to tax on any amount outstanding on a specific day shall be computed at the annual rate applicable on such day.
(2) Additions to tax. Additions to tax under any section of the Code that refers to the annual rate established under this section, including sections 644(a)(2)(B), 4497(c)(2), 6654(a), and 6655 (a) and (g), shall be computed at the same rate per annum as the interest rate set forth under paragraph (a) of this section.
(3) Interest. Interest provided for under any section of the Code that refers to the annual rate established under this section, including sections 47(d)(3)(G), 167(q), 6332(c)(1), 6343(c), 6601(a), 6602, 6611(a), 7426(g), and section 1961(c)(1) or 2411 of title 28 of the United States Code, shall be computed at the rate per annum set forth under paragraph (a) of this section.
(d) Examples. The provisions of this section may be illustrated by the following examples. Example 6 illustrates the computation of interest for interest accuring after December 31, 1982.
Example 1.
A, an individual, files an income tax return for the calendar year 1974 on April 15, 1975, showing a tax due of $1,000. A pays the $1,000 on September 1, 1975. Pursuant to section 6601(a), interest on the underpayment of $1,000 is computed at the rate of 6 percent per annum from April 15, 1975, to June 30, 1975, a total of 76 days. Interest for 63 days, from June 30, 1975, to September 1, 1975, shall be computed at the rate of 9 percent per annum.
Example 2.
An executor of an estate is granted, in accordance with section 6161(a)(2)(A), a two-year extension of time for payment of the estate tax shown on the estate tax return, which tax was otherwise due on January 15, 1974. The tax is paid on January 15, 1976. Interest on the underpayment shall be computed at the rate of 4 percent per annum from January 15, 1974, to June 30, 1975, and at the rate of 9 percent per annum from June 30, 1975, to January 15, 1976.
Example 3.
X, a corporation, files its 1973 corporate income tax return on March 15, 1974, and pays the balance of tax due shown thereon. On August 1, 1975, an assessment of a deficiency is made against X with respect to such tax. The deficiency is paid on October 1, 1975. Interest at the rate of 6 percent per annum is due on the deficiency from March 15, 1974, the due date of the return, to June 30, 1975, and at the rate of 9 percent per annum from June 30, 1975, to October 1, 1975.
Example 4.
Y, an individual, files an amended individual income tax return on October 1, 1975, for the refund of an overpayment of income tax Y made on April 15, 1975. Interest is allowed on the overpayment to December 1, 1975. Pursuant to section 6611(a), interest is computed at the rate of 6 percent per annum from April 15, 1975, the date of overpayment, to June 30, 1975. Interest from June 30, 1975, to December 1, 1975, shall be computed at the rate of 9 percent per annum.
Example 5.
A, an individual, is liable for an addition to tax under section 6654 for the underpayment of estimated tax from April 15, 1975 until January 15, 1976. The addition to tax shall be computed at the annual rate of 6 percent per annum from April 15, 1975, to June 30, 1975, and at the annual rate of 9 percent per annum from June 30, 1975, to January 15, 1976.
Example 6.
B, an individual, files an income tax return for calendar year 1980 on April 15, 1981, showing a tax due of $1,000. B pays the $1,000 on March 1, 1983. Under section 6601 (a), interest on the $1,000 underpayment is due from April 15, 1981, to March 1, 1983. Such interest is computed at the rate of 12 percent per annum, simple interest from April 15, 1981, to January 31, 1982, and at the rate of 20 percent per annum, simple interest from January 31, 1982, to December 31, 1982, and at the rate of 16 percent per annum, compounded daily, from December 31, 1982, to March 1, 1983. The total simple interest accrued but unpaid at the end of December 31, 1982, is combined with the $1,000 underpayment for purposes of determining the amount of daily compounded interest to be charged from December 31, 1982, to March 1, 1983.
[T.D. 7907, 48 FR 38230, Aug. 23, 1983; 48 FR 41018, Sept. 13, 1983; 48 FR 41581, Sept. 16, 1983]

Title 26 published on 2013-04-01

The following are only the Rules published in the Federal Register after the published date of Title 26.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-10-27; vol. 79 # 207 - Monday, October 27, 2014
    1. 79 FR 63811 - Removal of the Qualified Payment Card Agent Program
      GPO FDSys XML | Text
      DEPARTMENT OF THE TREASURY, Internal Revenue Service
      Final regulations.
      These regulations are effective October 27, 2014.
      26 CFR Parts 31 and 301

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

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United States Code
U.S. Code: Title 5 - GOVERNMENT ORGANIZATION AND EMPLOYEES
U.S. Code: Title 26 - INTERNAL REVENUE CODE

§ 1 - Tax imposed

§ 41 - Credit for increasing research activities

§ 42 - Low-income housing credit

§ 48 - Energy credit

§ 56 - Adjustments in computing alternative minimum taxable income

§ 82 - Reimbursement for expenses of moving

§ 108 - Income from discharge of indebtedness

§ 121 - Exclusion of gain from sale of principal residence

§ 141 - Private activity bond; qualified bond

§ 142 - Exempt facility bond

§ 143 - Mortgage revenue bonds: qualified mortgage bond and qualified veterans’ mortgage bond

§ 145 - Qualified 501(c)(3) bond

§ 147 - Other requirements applicable to certain private activity bonds

§ 165 - Losses

§ 168 - Accelerated cost recovery system

§ 216 - Deduction of taxes, interest, and business depreciation by cooperative housing corporation tenant-stockholder

§ 219 - Retirement savings

§ 245 - Dividends received from certain foreign corporations

§ 263 - Capital expenditures

§ 263A - Capitalization and inclusion in inventory costs of certain expenses

§ 448 - Limitation on use of cash method of accounting

§ 453C - Repealed.

§ 460 - Special rules for long-term contracts

§ 463 - Repealed.

§ 468B - Special rules for designated settlement funds

§ 469 - Passive activity losses and credits limited

§ 474 - Simplified dollar-value LIFO method for certain small businesses

§ 585 - Reserves for losses on loans of banks

§ 597 - Treatment of transactions in which Federal financial assistance provided

§ 616 - Development expenditures

§ 617 - Deduction and recapture of certain mining exploration expenditures

§ 643 - Definitions applicable to subparts A, B, C, and D

§ 831 - Tax on insurance companies other than life insurance companies

§ 835 - Election by reciprocal

§ 865 - Source rules for personal property sales

§ 904 - Limitation on credit

§ 1059 - Corporate shareholder’s basis in stock reduced by nontaxed portion of extraordinary dividends

§ 1103 - Repealed.

§ 1474 - Special rules

§ 2056 - Bequests, etc., to surviving spouse

§ 2056A - Qualified domestic trust

§ 2523 - Gift to spouse

§ 2632 - Special rules for allocation of GST exemption

§ 2652 - Other definitions

§ 3121 - Definitions

§ 3127 - Exemption for employers and their employees where both are members of religious faiths opposed to participation in Social Security Act programs

§ 4982 - Excise tax on undistributed income of regulated investment companies

§ 6011 - General requirement of return, statement, or list

§ 6033 - Returns by exempt organizations

§ 6036 - Notice of qualification as executor or receiver

§ 6037 - Return of S corporation

§ 6050M - Returns relating to persons receiving contracts from Federal executive agencies

§ 6061 - Signing of returns and other documents

§ 6081 - Extension of time for filing returns

§ 6103 - Confidentiality and disclosure of returns and return information

§ 6104 - Publicity of information required from certain exempt organizations and certain trusts

§ 6109 - Identifying numbers

§ 6111 - Disclosure of reportable transactions

§ 6112 - Material advisors of reportable transactions must keep lists of advisees, etc.

§ 6114 - Treaty-based return positions

§ 6158 - Repealed.

§ 6223 - Notice to partners of proceedings

§ 6230 - Additional administrative provisions

§ 6231 - Definitions and special rules

§ 6233 - Extension to entities filing partnership returns, etc.

§ 6241 - Partner’s return must be consistent with partnership return

§ 6245 - Secretarial authority

§ 6311 - Payment of tax by commercially acceptable means

§ 6323 - Validity and priority against certain persons

§ 6326 - Administrative appeal of liens

§ 6343 - Authority to release levy and return property

§ 6402 - Authority to make credits or refunds

§ 6404 - Abatements

§ 6411 - Tentative carryback and refund adjustments

§ 6689 - Failure to file notice of redetermination of foreign tax

§ 7216 - Disclosure or use of information by preparers of returns

§ 7502 - Timely mailing treated as timely filing and paying

§ 7508 - Time for performing certain acts postponed by reason of service in combat zone or contingency operation

§ 7520 - Valuation tables

§ 7624 - Reimbursement to State and local law enforcement agencies

§ 7701 - Definitions

§ 7804 - Other personnel

§ 7805 - Rules and regulations

Statutes at Large

Title 26 published on 2013-04-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 26 CFR 301 after this date.

  • 2014-10-27; vol. 79 # 207 - Monday, October 27, 2014
    1. 79 FR 63811 - Removal of the Qualified Payment Card Agent Program
      GPO FDSys XML | Text
      DEPARTMENT OF THE TREASURY, Internal Revenue Service
      Final regulations.
      These regulations are effective October 27, 2014.
      26 CFR Parts 31 and 301