Code of Federal Regulations · Section
§ 1.503(b)-1 — (b)-1 Prohibited Transactions
26 C.F.R. § 1.503(b)-1
(a) In general. The term prohibited transaction means any transaction set forth in section 503(b) engaged in by any organization described in paragraph (a) of § 1.503(a)-1. Whether a transaction is a prohibited transaction depends on the facts and circumstances of the particular case. This section is intended to deny tax-exempt status to such organizations which engage in certain transactions which inure to the private advantage of (1) the creator of such organization (if it is a trust); (2) any substantial contributor to such organization; (3) a member of the family (as defined in section 267(c)(4) of an individual who is such creator of or such substantial contributor to such organization; or (4) a corporation controlled, as set forth in section 503(b), by such creator or substantial contributor.
(b) Loans as prohibited transactions under section 503(b)(1)—(1) Adequate security. For the purposes of section 503(b)(1), which treats as prohibited transactions certain loans by an organization without receipt of adequate security and a reasonable rate of interest, the term adequate security means something in addition to and supporting a promise to pay, which is so pledged to the organization that it may be sold, foreclosed upon, or otherwise disposed of in default of repayment of the loan, the value and liquidity of which security is such that it may reasonably be anticipated that loss of principal or interest will not result from the loan. Mortgages or liens on property, accommodation endorsements of those financially capable of meeting the indebtedness, and stock or securities issued by corporations other than the borrower may constitute security for a loan to the persons or organizations described in section 503(b). Stock of a borrowing corporation does not constitute adequate security. A borrower's evidence of indebtedness, irrespective of its name, is not security for a loan, whether or not it was issued directly to the exempt organization. However, if any such evidence of indebtedness provides for security that may be sold, foreclosed upon, or otherwise disposed of in default of repayment of the loan, there may be adequate security for such loan. If an organization subject to section 503(b) purchases debentures issued by a person specified in section 503(b), the purchase is considered, for purposes of section 503(b)(1), as a loan made by the purchaser to the issuer on the date of such purchase. For example, if an exempt organization subject to section 503(b) makes a purchase through a registered security exchange of debentures issued by a person described in section 503(b), and owned by an unknown third party, the purchase will be considered as a loan to the issuer by the purchaser. For rules relating to loan of funds to, or investment of funds in stock or securities of, persons described in section 503(b) by an organization described in section 401(a), see paragraph (b)(5) of § 1.401-1.
(2) Effective dates. The effective dates for the application of the definition of adequate security in paragraph (b)(1) of this paragraph are:
(i) March 15, 1956, for loans (other than debentures) made after March 15, 1956;
(ii) January 31, 1957, for loans (other than debentures) made before March 16, 1956, and continued after January 31, 1957;
(iii) November 8, 1956, for debentures which were purchased after November 8, 1956;
(iv) December 1, 1958, for debentures which were purchased before November 9, 1956, and held after December 1, 1958;
(v) If an employees' pension, stock bonus, or profit-sharing trust described in section 401(a) made a loan before March 1, 1954, repayable by its terms after December 31, 1955, and which would constitute a prohibited transaction if made on or after March 1, 1954, the loan shall not constitute a prohibited transaction if held until maturity (determined without regard to any extension or renewal thereof);
(vi) January 1, 1960, for loans (including the purchase of debentures) made by supplemental unemployment benefit trusts, described in section 501 (c)(17);
(vii) January 1, 1970, for loans (including the purchase of debentures) made by employees' contribution pension plan trusts described in section 501(c)(18).
(3) Certain exceptions to section 503(b)(1). See section 503(e) and § 1.503(e)-1, 1.503(e)-2, and 1.503(e)-3 for special rules providing that certain obligations acquired by trusts described in section 401(a) or section 501(c) (17) or (18) shall not be treated as loans made without the receipt of adequate security for purposes of section 503(b)(1). See section 503(f) and § 1.503(f)-1 for an exception to the application of sections 503(b)(1) for certain loans made by employees' trusts described in section 401(a).
(c) Examples. The principles of this section are illustrated by the following examples: (Assume that section 503 (e) and (f) are not applicable.)
A, creator of an exempt trust subject to section 503, borrows $100,000 from such trust in 1960, giving his unsecured promissory note. The net worth of A is $1,000,000. The net worth of A is not security for such loan and the transaction is a prohibited transaction. If, however, the note is secured by a mortgage on property of sufficient value, or is accompanied by acceptable collateral of sufficient value, or carries with it the secondary promise of repayment by an accommodation endorser financially capable of meeting the indebtedness, it may be adequately secured. However, subordinated debentures bonds of a partnership which are guaranteed by the general partners are not adequately secured since the general partners are liable for the firm's debt and their guaranty adds no additional security.
Assume the same facts as in example 1 except that A's promissory note in the amount of $100,000 to the trust is secured by property which has a fair market value of $75,000. A's promissory note secured to the extent of $75,000 is not adequately secured within the meaning of section 503(b)(1) since the security at the time of the transaction must be sufficient to repay the indebtedness, interest, and charges which may pertain thereto.
Corporation M, a substantial contributor to an exempt organization subject to section 503, borrows $150,000 from such organization in 1960, giving its promissory note accompanied by stock of the borrowing corporation with a fair market value of $200,000. Since promissory notes and debentures have priority over stock in the event of liquidation of the corporation, stock of a borrowing corporation is not adequate security. Likewise, debenture bonds which are convertible on default into voting stock of the issuing corporation do not constitute adequate security under section 503(b)(1).
B, creator of an exempt trust subject to section 503, borrows $100,000 from such trust in 1960, giving his secured promissory note at the rate of 3 percent interest. The prevailing rate of interest charged by financial institutions in the community where the transaction takes place is 5 percent for a loan of the same duration and similarly secured. The loan by the trust to the grantor is a prohibited transaction since section 503(b)(1) requires both adequate security and a reasonable rate of interest. Further, a promise to repay the loan plus a percentage of future profits which may be greater than the prevailing rate of interest does not meet the reasonable rate of interest requirement.
N Corporation, a substantial contributor to an exempt organization subject to section 503 borrows $50,000 on or after March 16, 1956, from the organization. If the loan is not adequately secured, the organization has committed a prohibited transaction at the time the loan was made. If the loan had been made on or before March 15, 1956, and is continued after January 31, 1957, it must be adequately secured on February 1, 1957, or it will be considered a prohibited transaction on that date. However, if the exempt organization were an employees' trust, described in section 401(a), and the loan were made before March 1, 1954, repayable by its terms after December 31, 1955, it would not have to be adequately secured on February 1, 1957. Moreover, if the exempt organization were a supplemental unemployment benefit trust, described in section 501(c)(17), and the loan were made before January 1, 1960, repayable by its terms after December 31, 1959, it would not have to be adequately secured on January 1, 1960.
An exempt organization subject to section 503 purchases a debenture issued by O Corporation, which is a substantial contributor to the organization. The organization purchases the debenture in an arm's length transaction from a third person on or after November 9, 1956. The purchase is considered as a loan by the organization to O Corporation. The loan must be adequately secured when it is made, or it is considered as a prohibited transaction at that time. If the organization purchased the debenture before November 9, 1956, and holds it after December 1, 1958, the debenture must be adequately secured on December 2, 1958, or it will then be considered as a prohibited transaction. However, if the organization were an employees' trust described in section 401(a), and if the debenture were purchased before March 1, 1954, and its maturity date is after December 31, 1955, the debenture does not have to be adequately secured. Moreover, if the organization were an employees' contribution pension plan trust described in section 501(c)(18), and if the debenture were purchased before January 1, 1970, and its maturity date is after December 31, 1969, the debenture does not have to be adequately secured.
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