Treasury Regulations · 26 CFR
§ 1.987-1. Scope, definitions, and special rules.
Regulation text, no changes From the eCFR, current as of October 15, 2026. The eCFR is an authoritative but unofficial editorial compilation of the Code of Federal Regulations; the official text is the annual CFR on govinfo. Compare it with this section on ecfr.gov (external site) or the official annual CFR on govinfo (external site).
Regulation under 26 U.S.C. § 987
Cite as 26 CFR § 1.987-1
At a glance
Read from the text and its source citation. Not part of the regulation.
- Status
- In the current eCFR
- Issued
- December 11, 2024 by T.D. 10016
- Last amended
- January 17, 2025
- Issued under
- 26 U.S.C. § 987
- Length
- 7,739 words · about 34 min to read
- Defines
- 2 terms
- Cross-references
- cites 19 Code sections and 30 regulations; cited by 25
1991 proposed regulations. 1991 proposed regulations means proposed §§ 1.987-1 through 1.987-3 as contained in 56 FR 48457-01 (September 25, 1991).
2006 proposed regulations. 2006 proposed regulations means: proposed §§ 1.861-9T(g)(2)(ii)(A)(1) and (g)(2)(vi); 1.985-5; 1.987-1 through 1.987-11; 1.988-1(a)(3) and (4), (a)(10)(ii), and (i); 1.988-4(b)(2); and 1.989(a)-1(b)(2)(i), and (b)(4) as contained in 71 FR 52876-01 (September 7, 2006).
2016 and 2019 section 987 regulations. 2016 and 2019 section 987 regulations means the following regulations:
Adjusted balance sheet. Adjusted balance sheet means a tax basis balance sheet in the functional currency of the eligible QBU, determined by—
Annual recognition election. Annual recognition election has the meaning provided in § 1.987-5(b)(2).
Authorized person. Authorized person has the meaning provided in paragraph (g)(1) of this section.
Combination. Combination has the meaning provided in § 1.987-2(c)(9)(i).
Combined QBU. Combined QBU has the meaning provided in § 1.987-2(c)(9)(i).
Combining QBU. Combining QBU has the meaning provided in § 1.987-2(c)(9)(i).
Consolidated group. Consolidated group has the meaning provided in § 1.1502-1(h).
Controlled foreign corporation. Controlled foreign corporation (or CFC) has the meaning provided in section 957 (or, if applicable, section 953(c)(1)(B)).
Controlled group. A controlled group means all persons with the relationships to each other specified in section 267(b) or section 707(b).
Cumulative suspended section 987 loss. Cumulative suspended section 987 loss has the meaning provided in § 1.987-11(b).
Current rate election. Current rate election has the meaning provided in paragraph (d)(2) of this section.
Current year gain amount. Current year gain amount has the meaning provided in § 1.987-11(e)(3)(i).
Deferral event. Deferral event has the meaning provided in § 1.987-12(g)(1).
Deferred section 987 gain or loss. Deferred section 987 gain or loss has the meaning provided in § 1.987-12(b)(2). Deferred section 987 gain or loss does not include net unrecognized section 987 gain or loss or suspended section 987 loss.
Disregarded entity. Disregarded entity (or DE) means an entity disregarded as an entity separate from its owner for Federal income tax purposes, including an entity described in § 301.7701-2(c)(2) of this chapter, a qualified subchapter S subsidiary under section 1361(b)(3), a qualified REIT subsidiary within the meaning of section 856(i)(2), and a trust all of which is treated (under subpart E of part I of subchapter J of Chapter 1 of the Code) as owned by the grantor or another person.
Disregarded transactions. Disregarded transactions has the meaning provided in § 1.987-2(c)(2)(ii).
Earnings only method. Earnings only method means a method of applying section 987 before the transition date under which gain or loss under section 987(3) is determined only with respect to the earnings of a section 987 QBU.
ECI. ECI means income that is effectively connected with the conduct of a trade or business within the United States.
Eligible pretransition method. Eligible pretransition method has the meaning provided in § 1.987-10(e)(4).
Eligible QBU. Eligible QBU has the meaning provided in paragraph (b)(4) of this section.
Financial instrument. Financial instrument has the meaning provided in § 1.1275-6(b)(3). It includes a financial instrument entered into between related parties or unrelated parties.
Foreign source income. Foreign source income means income from sources without the United States.
Generally accepted accounting principles. Generally accepted accounting principles means United States generally accepted accounting principles described in standards established and made effective by the Financial Accounting Standards Board.
Hedge. Hedge has the meaning provided in § 1.987-14(b)(1).
Hedged QBU. Hedged QBU has the meaning provided in § 1.987-14(b)(1).
Hedging gain or loss. Hedging gain or loss has the meaning provided in § 1.987-14(d)(1).
Historic asset. Historic asset has the meaning provided in paragraph (e) of this section.
Historic item. Historic item has the meaning provided in paragraph (e) of this section.
Historic liability. Historic liability has the meaning provided in paragraph (e) of this section.
Historic rate. Historic rate has the meaning provided in paragraph (c)(3) of this section.
Insurance reserve. Insurance reserve means an item that is a reserve under section 807(c) or section 953(b) (as applicable).
LIFO. LIFO means the last-in, first-out inventory method (as described in section 472).
LIFO inventory. LIFO inventory means inventory accounted for under the LIFO inventory method.
Liability. Liability means the amount of a liability on the adjusted balance sheet (or the amount that would be on the adjusted balance sheet if an adjusted balance sheet were prepared for that day).
Lookback gain amount. Lookback gain amount has the meaning provided in § 1.987-11(e)(3)(ii).
Lookback period. Lookback period has the meaning provided in § 1.987-11(e)(3)(iv).
Loss-to-the-extent-of-gain rule. Loss-to-the-extent-of-gain rule has the meaning provided in § 1.987-11(e)(1).
Marked asset. Marked asset has the meaning provided in paragraph (d) of this section.
Marked item. Marked item has the meaning provided in paragraph (d) of this section.
Marked liability. Marked liability has the meaning provided in paragraph (d) of this section.
Net accumulated unrecognized section 987 gain or loss. Net accumulated unrecognized section 987 gain or loss has the meaning provided in § 1.987-4(c).
Net unrecognized section 987 gain or loss. Net unrecognized section 987 gain or loss has the meaning provided in § 1.987-4(b). Net unrecognized section 987 gain or loss does not include deferred section 987 gain or loss or suspended section 987 loss.
Non-LIFO inventory. Non-LIFO inventory means inventory that is not accounted for under the LIFO inventory method.
Original deferral QBU. Original deferral QBU has the meaning provided in § 1.987-12(b).
Original deferral QBU owner. Original deferral QBU owner has the meaning provided in § 1.987-12(g)(3).
Original suspended loss QBU owner. Original suspended loss QBU owner has the meaning provided in § 1.987-13(l)(1).
Outbound loss event. Outbound loss event has the meaning provided in § 1.987-13(h)(2).
Outbound loss QBU. Outbound loss QBU has the meaning provided in § 1.987-13(h)(1).
Outbound section 987 loss. Outbound section 987 loss has the meaning provided in § 1.987-13(h)(4).
Owner. Owner has the meaning provided in paragraph (b)(5) of this section.
Prior § 1.987-1. Prior § 1.987-1 means § 1.987-1, as contained in 26 CFR in part 1 in effect on April 1, 2017.
Prior § 1.987-4. Prior § 1.987-4 means § 1.987-4, as contained in 26 CFR in part 1 in effect on April 1, 2017.
Prior § 1.987-5. Prior § 1.987-5 means § 1.987-5, as contained in 26 CFR in part 1 in effect on April 1, 2017.
Prior § 1.987-8T. Prior § 1.987-8T means § 1.987-8T, as contained in 26 CFR in part 1 in effect on April 1, 2017.
Prior § 1.987-10. Prior § 1.987-10 means § 1.987-10, as contained in 26 CFR in part 1 in effect on April 1, 2017.
Prior § 1.987-12. Prior § 1.987-12 means § 1.987-12, as contained in 26 CFR in part 1 in effect on April 1, 2020.
Prior § 1.987-12T. Prior § 1.987-12T means § 1.987-12T, as contained in 26 CFR in part 1 in effect on April 1, 2017.
QBU net value. QBU net value has the meaning provided in § 1.987-4(e)(2)(ii).
Recognition grouping. Recognition grouping has the meaning provided in § 1.987-11(f).
Remittance. Remittance has the meaning provided in § 1.987-5(c).
S corporation. S corporation has the meaning provided in section 1361(a)(1).
Section 904 category. Section 904 category means a separate category of income described in § 1.904-5(a)(4)(v).
Section 987 electing group. Section 987 electing group has the meaning provided in paragraph (g)(2)(ii) of this section.
Section 987 elections. Section 987 elections has the meaning provided in paragraph (g) of this section.
Section 987 gain or loss. Section 987 gain or loss means gain or loss that is recognized under § 1.987-5, deferred section 987 gain or loss, suspended section 987 loss, and pretransition gain or loss that is recognized under § 1.987-10(e)(5)(ii).
Section 987 hedging transaction. Section 987 hedging transaction has the meaning provided in § 1.987-14(b).
Section 987 QBU. Section 987 QBU has the meaning provided in paragraph (b)(3) of this section.
Section 987 regulations. Section 987 regulations has the meaning provided in paragraph (a) of this section.
Section 987 taxable income or loss. Section 987 taxable income or loss has the meaning provided in § 1.987-3(a).
Section 988 mark-to-market election. Section 988 mark-to-market election has the meaning provided in § 1.987-3(b)(4)(ii).
Separate account. Separate account means a separate set of financial records maintained with respect to an insurance contract or group of contracts to report assets and liabilities for specific products that are separated from the insurer's general account, provided the following requirements are met—
Separate account asset. Separate account asset means an asset that is reflected on the books and records of an eligible QBU and held in a separate account with respect to a separate account insurance contract. A separate account asset does not include an asset held in the general account.
Separate account insurance contract. Separate account insurance contract means a contract that would be treated as an insurance contract for Federal income tax purposes (except to the extent provided in this definition with respect to the requirements in section 72(s), 101(f), 817(h), or 7702) for which some or all of the assets supporting the insurance reserves are required to be held in a separate account under the insurance regulatory rules of the jurisdiction in which the contract is issued, and either—
Separated QBU. Separated QBU has the meaning provided in § 1.987-2(c)(9)(iii).
Separating QBU. Separating QBU has the meaning provided in § 1.987-2(c)(9)(iii).
Separation. Separation has the meaning provided in § 1.987-2(c)(9)(iii).
Separation fraction. In the case of a separated QBU, separation fraction means a fraction, the numerator of which is the aggregate adjusted basis of the gross assets attributable to the separated QBU immediately after the separation, and the denominator of which is the aggregate adjusted basis of the gross assets attributable to all separated QBUs immediately after the separation.
Spot rate. Spot rate has the meaning provided in paragraph (c)(1) of this section.
SRLY section 987 losses. SRLY section 987 losses has the meaning provided in § 1.987-11(e)(6)(ii).
Successor deferral QBU. Successor deferral QBU has the meaning provided in § 1.987-12(g)(2).
Successor deferral QBU owner. Successor deferral QBU owner has the meaning provided in § 1.987-12(c)(1).
Successor suspended loss QBU. Successor suspended loss QBU has the meaning provided in § 1.987-13(l)(2).
Successor suspended loss QBU owner. Successor suspended loss QBU owner has the meaning provided in § 1.987-13(l)(3).
Suspended section 987 loss. Suspended section 987 loss means section 987 loss that is subject to the limitations on recognition described in § 1.987-11(e). See §§ 1.987-10(e)(5), 1.987-11(c) and (d), 1.987-12(c), and 1.987-13(h) for rules regarding when net unrecognized section 987 loss or deferred section 987 loss becomes suspended section 987 loss. Suspended section 987 loss does not include net unrecognized section 987 loss or deferred section 987 loss.
Tentative tested income group. Tentative tested income group has the meaning provided in § 1.987-6(b)(2)(i)(D)(1).
Terminating QBU. Terminating QBU means a section 987 QBU, if both—
Termination. With respect to a section 987 QBU, termination has the meaning provided in § 1.987-8(b) and (c). With respect to a successor suspended loss QBU, the term termination has the meaning provided in § 1.987-13(j).
Trade or business. Trade or business has the meaning provided in § 1.989(a)-1(c).
Transfer. Transfer has the meaning provided in § 1.987-2(c).
Transition date. Transition date has the meaning provided in § 1.987-10(c).
United States person. United States person (or U.S. person) has the meaning provided in section 7701(a)(30).
United States shareholder. United States shareholder (or U.S. shareholder) has the meaning provided in section 951(b) (or, if applicable, section 953(c)(1)(A)).
U.S. source income. U.S. source income means income from sources within the United States.
Yearly average exchange rate. Yearly average exchange rate has the meaning provided in paragraph (c)(2) of this section.
[T.D. 10016, 89 FR 100165, Dec. 11, 2024; 90 FR 5607, Jan. 17, 2025]
Terms defined here
Where the text says “the term … means”. Select a term to jump to its definition.
Cross-references
Computed from the citations in the text of 26 CFR.
Code sections it cites
- § 987 Branch transactions
- § 958 Rules for determining stock ownership
- § 988 Treatment of certain foreign currency transactions
- § 1256 Section 1256 contracts marked to market
- § 381 Carryovers in certain corporate acquisitions
- § 446 General rule for methods of accounting
- § 957 Controlled foreign corporations; United States persons
- § 953 Insurance income
- § 267 Losses, expenses, and interest with respect to transactions between related taxpayers
- § 707 Transactions between partner and partnership
- § 1361 S corporation defined
- § 856 Definition of real estate investment trust
- § 807 Rules for certain reserves
- § 472 Last-in, first-out inventories
- § 904 Limitation on credit
- § 72 Annuities; certain proceeds of endowment and life insurance contracts
- § 817 Treatment of variable contracts
- § 7701 Definitions
- § 951 Amounts included in gross income of United States shareholders
Regulations it cites
- § 1.987-7 Application of the section 987 regulations to partnerships and S corporations.
- § 1.987-8 Termination of a section 987 QBU.
- § 1.985-1 Functional currency.
- § 1.985-3 United States dollar approximate separate transactions method.
- § 1.989(a)-1 Definition of a qualified business unit.
- § 1.988-2 Recognition and computation of exchange gain or loss.
- § 1.988-1 Certain definitions and special rules.
- § 1.987-3 Determination of section 987 taxable income or loss of an owner of a section 987 QBU.
- § 1.987-4 Determination of net unrecognized section 987 gain or loss of a section 987 QBU.
- § 1.985-5 Adjustments required upon change in functional currency.
- § 1.987-2 Attribution of items to eligible QBUs; definition of a transfer and related rules.
- § 1.987-11 Suspended section 987 loss relating to certain elections; loss-to-the-extent-of-gain rule.
- § 1.964-1 Determination of the earnings and profits of a foreign corporation.
- § 1.1502-77 Agent for the group.
- § 1.6031(a)-1 Return of partnership income.
- § 1.987-10 Transition rules.
- § 1.987-15 Applicability date.
- § 1.987-8T Termination of a section 987 QBU (temporary).
- § 1.861-9T Allocation and apportionment of interest expense (temporary).
- § 1.987-1T Scope, definitions, and special rules (temporary).
- § 1.987-5 Recognition of section 987 gain or loss.
- § 1.1502-1 Definitions.
- § 1.987-12 Deferral of section 987 gain or loss.
- § 301.7701-2 Business entities; definitions.
Show 6 more
- § 1.1275-6 Integration of qualifying debt instruments.
- § 1.987-14 Section 987 hedging transactions.
- § 1.987-13 Suspended section 987 loss upon terminations.
- § 1.904-5 Look-through rules as applied to controlled foreign corporations and other entities.
- § 1.987-6 Character and source of section 987 gain or loss.
- § 301.7701-3 Classification of certain business entities.
Cited by 25 other regulations
- § 1.861-9 Allocation and apportionment of interest expense and rules for asset-based apportionment.
- § 1.861-20 Allocation and apportionment of foreign income taxes.
- § 1.985-5 Adjustments required upon change in functional currency.
- § 1.987-0 Table of contents.
- § 1.987-1T Scope, definitions, and special rules (temporary).
- § 1.987-2 Attribution of items to eligible QBUs; definition of a transfer and related rules.
- § 1.987-3 Determination of section 987 taxable income or loss of an owner of a section 987 QBU.
- § 1.987-3T Determination of section 987 taxable income or loss of an owner of a section 987 QBU (temporary).
- § 1.987-4 Determination of net unrecognized section 987 gain or loss of a section 987 QBU.
- § 1.987-6 Character and source of section 987 gain or loss.
- § 1.987-6T Character and source of section 987 gain or loss (temporary).
- § 1.987-7 Application of the section 987 regulations to partnerships and S corporations.
- § 1.987-8 Termination of a section 987 QBU.
- § 1.987-8T Termination of a section 987 QBU (temporary).
- § 1.987-9 Recordkeeping requirements.
- § 1.987-10 Transition rules.
- § 1.987-13 Suspended section 987 loss upon terminations.
- § 1.987-15 Applicability date.
- § 1.988-1 Certain definitions and special rules.
- § 1.988-1T Certain definitions and special rules (temporary).
- § 1.988-2T Recognition and computation of exchange gain or loss (temporary).
- § 1.988-4 Source of gain or loss realized on a section 988 transaction.
- § 1.989(a)-1 Definition of a qualified business unit.
- § 1.1502-13 Intercompany transactions.
Amendment history
From the source citation at the end of the section, newest first. T.D. is a Treasury decision; FR is the Federal Register.
- Amended (90 FR 5607)
- Issued by T.D. 10016 (89 FR 100165)
Where it sits in 26 CFR
- Subchapter A Income tax
- Part 1 Income taxes
- Foreign Currency Transactions
Nearby sections
- § 1.985-8 Special rules applicable to the European Monetary Union (conversion to euro).
- § 1.986(a)-1 Translation of foreign income taxes for purposes of the foreign tax credit.
- § 1.986(c)-1 Coordination with section 965.
- § 1.987-0 Table of contents.
- § 1.987-1 Scope, definitions, and special rules.
- § 1.987-1T Scope, definitions, and special rules (temporary).
- § 1.987-2 Attribution of items to eligible QBUs; definition of a transfer and related rules.
- § 1.987-3 Determination of section 987 taxable income or loss of an owner of a section 987 QBU.
- § 1.987-3T Determination of section 987 taxable income or loss of an owner of a section 987 QBU (temporary).