SECTION 2. SUBSTANTIAL
Internal Revenue Bulletin 2007-5 · 2026-10-03 edition · updated 2026-10-04 · United States
ASSISTANCE RULES
A. BACKGROUND
Under section 951(a)(1)(A)(i) of the Code, a United States shareholder of a CFC includes in gross income each year its pro rata share of the CFC’s subpart F income for the taxable year of the CFC which ends with or within such taxable year of the shareholder. Section 952(a)(2) defines the term “subpart F income” to mean, in part, foreign base company income (as defined under section 954).
Section 954(a)(3) of the Code defines “foreign base company income” to include “foreign base company services income” for the taxable year. Section 954(e)(1) defines “foreign base company services income” for purposes of section 954(a)(3) to mean income derived in connection with the performance of services which are performed (1) for, or on behalf of, any related person and (2) outside the country under the laws of which the CFC is created or organized. The statute does not explicitly provide for substantial assistance
2007–5 I.R.B. 410 January 29, 2007
limited instances in which a United States person or persons provide sufficient assistance directly or indirectly to a related CFC.
C. PROPOSED GUIDANCE
The Treasury Department and the IRS will amend Treas. Reg. § 1.954–4(b)(1)(iv) and (b)(2)(ii) and the examples thereunder. Treas. Reg. § 1.954–4(b)(1)(iv) as amended will provide that services performed by a CFC in a case where substantial assistance by a related United States person or persons (as the term is defined in section 957(c) of the Code) contributes to the performance of such service will constitute “services which are performed for, or on behalf of, a related person.” Treas. Reg. § 1.954–4(b)(2)(ii) as amended will provide that “substantial assistance” consists of assistance furnished (directly or indirectly) by a related United States person or persons to the CFC if the assistance satisfies an objective cost test. The subjective “principal element” test will no longer apply to determine substantial assistance. For purposes of the objective cost test, the definition of the term “assistance” will include, but will not be limited to, direction, supervision, services, know-how, financial assistance (other than contributions to capital), and equipment, material, or supplies provided directly or indirectly by a related United States person to a CFC.
The cost test will be satisfied if the cost to the CFC of the assistance furnished by the related United States person or persons equals or exceeds 80 percent of the total cost to the CFC of performing the services. The term “cost” will be determined after taking into account adjustments, if any, made under section 482 of the Code. Taxpayers may apply the cost test either by demonstrating that the assistance provided, directly or indirectly, by related United States persons is below the 80 percent cost threshold, or, alternatively, by demonstrating that the cost of the services provided by the CFC itself, and/or by a related CFC, is more than 20 percent of the total cost to the CFC of performing the services. For this purpose, services provided by a CFC itself are not assistance provided “indirectly” by a related United States person (or persons). However, employees, officers, or directors of the CFC
stantial if the cost to the CFC of the assistance furnished by persons related to the CFC equals 50 percent or more of the total cost to the CFC of performing the services performed by such CFC (the cost test). For these purposes, costs are determined after taking into account adjustments (if any) made under section 482. See Treas. Reg. § 1.954–4(b)(2)(ii)(b).
Treas. Reg. § 1.954–4(b)(2)(ii)(c) states, in general, that financial assistance, equipment, material, or supplies furnished by a person related to the CFC shall be considered assistance only in the amount, after taking into account adjustments (if any) made under section 482, by which the consideration actually paid by the CFC to the related person for the purchase or use of such item is less than the arm’s length charge for such purchase or use. The total of all such amounts from all related persons is compared with the profits derived by the CFC from the performance of the services to determine whether the related party’s contributions qualify as substantial assistance.
Treas. Reg. § 1.954–4(b)(2)(ii)(d) expands on the tests in Treas. Reg. § 1.954–4(b)(2)(ii)(b) and (c) by providing that, even if assistance furnished by a related person or persons to a CFC is not considered substantial under paragraphs (b) or (c) in isolation, it may nevertheless constitute substantial assistance when taken together or in combination with other assistance furnished by a related person or persons to the CFC. Treas. Reg. § 1.954–4(b)(2)(ii)(e) provides that, in applying Treas. Reg. § 1.954–4(b)(2)(ii)(b) and (d), assistance in the form of direction, supervision, services, or know-how shall not be taken into account, unless the assistance so furnished assists the CFC directly in the performance of the services performed. Treas. Reg. § 1.954–4(b)(3) sets forth examples, including examples addressing the application of the substantial assistance test.
B. DISCUSSION
The substantial assistance rules were published as final regulations in 1968 (T.D. 6981, 1968–2 C.B. 314). The purpose of the substantial assistance rules is to treat as foreign base company services income, income received by a CFC from rendering services to an unrelated person
where in rendering those services a related person substantially contributes to the CFC’s performance of such services in a manner that suggests that the CFC, rather than the related party, entered into the contract to obtain a lower rate of tax on the service income. Since the regulations were published in 1968, there has been a substantial expansion in the reach of the global economy, particularly in the provision of global services. As a result, many of the U.S. multinationals that provide services outside of the United States currently have globally integrated businesses with support capabilities for unrelated customer projects in different geographic locations, largely based on factors such as expertise and cost efficiencies.
For example, a CFC may contract with an unrelated person to provide installation and subsequent repair services. A related CFC, however, is the foreign corporation that provides the repair services. Although the foreign related CFC that is providing the support services will continue to have foreign base company services income to the extent that it performs those services outside of its country of incorporation, it does not seem appropriate in the current global economy to continue to treat the profits of the CFC contracting to furnish services to the unrelated person as foreign base company services income because of the support services provided by a related foreign person. If the substantial assistance regulations are not amended to deal with these types of businesses structures, the regulations may cause taxpayers to change the way they do business or structure their operations in light of the substantial assistance rules, even if such a structure would be less efficient from a business perspective by, for example, requiring a taxpayer to duplicate a full service infrastructure in each country.
The Treasury Department and the IRS, however, remain concerned about the ability of related United States persons to shift profits offshore to CFCs organized in low tax jurisdictions in cases where the related United States person or persons provides so much assistance to the CFC that the CFC cannot be said to be providing services on its own account and thus acting as an independent entity. Accordingly, the Treasury Department and the IRS will revise the regulations to eliminate the substantial assistance rules, except in certain
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who are concurrently employees, officers, or directors of a related United States person during a taxable year of the CFC will be considered employees, officers or directors solely of the related United States person for such taxable year for purposes of this notice.
The examples under Treas. Reg. § 1.954–4(b)(2)(ii) will be amended to reflect the amendments to the regulations. The application of the proposed cost test is illustrated by the following examples.
Example 1 : USP, a U.S. corporation, wholly owns CFC1 and CFC2, each a foreign corporation. CFC1 enters into a contract with FP, an unrelated foreign person, to design a bridge for FP in Country Y, a foreign country that is not CFC1’s country of organization. CFC1 incurs a total of $100x of costs to design the bridge for FP. USP performs supervisory services in Country Y for CFC1 with respect to the contract for which CFC1 pays USP a fee. CFC1 directly performs services related to the performance of that contract that cost CFC1 $15x. CFC2 performs centralized support services related to the performance of that contract in Country X, its country of organization, for which CFC1 pays CFC2 $10x. CFC1 is not treated as receiving substantial assistance in the performance of that contract because more than 20% of the cost of that contract is attributable to services furnished directly by CFC1 or a related CFC (CFC2).
Example 2 : USP, a U.S. corporation, wholly owns CFC1 and CFC2, each a foreign corporation. CFC2 enters into a contract with FP, an unrelated person, to design a bridge in Country Y, a foreign country that is not CFC2’s country of organization. With respect to the contract with FP, USP performs services in Country Y for CFC1 in the form of design and technical services for which CFC1 pays USP $85x. CFC1 contracts with CFC2 to provide those services and others to CFC2 for $90x. CFC2 uses those services together with services it performs itself that cost CFC2 $10x to design the bridge for FP. Pursuant to the cost test, USP provides substantial assistance to CFC2 in the performance of its contract for FP because USP indirectly furnishes assistance to CFC2 (through CFC1) that exceeds 80 percent of the total cost to CFC2 for performing the contract.
Example 3 : USP, a U.S. corporation, wholly owns CFC1 and CFC2, each a foreign corporation. CFC2 enters into a contract with FP, an unrelated person, to design a bridge in Country Y, a foreign country that is not CFC2’s country of organization. With respect to the contract with FP, USP performs services in Country Y for CFC1 in the form of design and technical services for which CFC1 pays USP $60x. CFC1 contracts with CFC2 to provide those services and others to CFC2 for $70x. CFC2 uses those services together with services it performs itself that cost CFC2 $30x to design the bridge for FP. CFC2 is not treated as receiving substantial assistance in the performance of that contract because more than 20% of the cost of that contract is attributable to services furnished directly by CFC2.
D. EFFECTIVE DATE
Regulations to be issued incorporating the guidance set forth in this notice will apply to taxable years of foreign corporations beginning on or after January 1, 2007 and to taxable years of United States shareholders in which or with which such taxable years of the foreign corporations end. Until such regulations are issued, taxpayers may rely on this notice.
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