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Allied-Signal, Inc. v. Director, Div. of Taxation (91-615), 504 U.S. 768 (1992).
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[ Kennedy ]
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NOTICE: This opinion is subject to formal revision before publication in the preliminary print of the United States Reports. Readers are requested to notify the Reporter of Decisions, Supreme Court of the United States, Wash ington, D.C. 20543, of any typographical or other formal errors, in order that corrections may be made before the preliminary print goes to press.

SUPREME COURT OF THE UNITED STATES

No. 91-615


ALLIED SIGNAL, INC., as successor in interest to THE BENDIX CORPORATION, PETITIONER v. DIRECTOR, DIVISION OF TAXATION

on writ of certiorari to the supreme

court of new jersey

[June 15, 1992]

Justice Kennedy delivered the opinion of the Court.

Petitioner Allied Signal, Inc., is the successor in interest to the Bendix Corporation (Bendix). The present dispute concerns Bendix's corporate business tax liability to the State of New Jersey for the fiscal year ending September 30, 1981. Although three items of income were contested earlier, the controversy in this Court involves only one item: the gain of $211.5 million realized by Bendix on the sale of its 20.6% stock interest in ASARCO Inc. (ASARCO). The case was submitted below on stipulated facts, and we begin with a summary.

During the times in question, Bendix was a Delaware corporation with its commercial domicile and corporate headquarters in Michigan. Bendix conducted business in all 50 States and 22 foreign countries. App. 154. Having started business in 1929 as a manufacturer of aviation and automotive parts, from 1970 through 1981, Bendix was organized in four major operating groups: automotive; aerospace/electronics; industrial/energy; and forest products. Id., at 154-155. Each operating group was under separate management, but the chief executive of each group reported to the chairman and chief executive officer of Bendix. Id., at 155. In this period Bendix's primary operations in New Jersey were the development and manufacture of aerospace products. Id., at 161.

ASARCO is a New Jersey corporation with its principal offices in New York. It is one of the world's leading producers of nonferrous metals, treating ore taken from its own mines and ore it obtains from others. Id., at 163-164. From December 1977 through November 1978, Bendix acquired 20.6% of ASARCO's stock by purchases on theopen market. Id., at 165. In the first half of 1981, Bendix sold its stock back to ASARCO, generating a gain of $211.5 million. Id., at 172. The issue before us is whether New Jersey can tax an apportionable part of this income.

Our determination of the question whether the business can be called "unitary," see infra, at ___%___, is all but controlled by the terms of a stipulation between the taxpayer and the State. They stipulated: "During the period that Bendix held its investment in ASARCO, Bendix and ASARCO were unrelated business enterprises each of whose activities had nothing to do with the other." Id., at 169. Furthermore,

"[p]rior to and after its investment in ASARCO, no business or activity of Bendix (in New Jersey or otherwise), either directly or indirectly (other than the investment itself), was involved in the nonferrous metal production business or any other business or activity (in New Jersey or otherwise) in which ASARCO was involved. On its part, ASARCO had no business or activity (in New Jersey or otherwise) which, directly or indirectly, was involved in any of the businesses or activities (in New Jersey or otherwise) in which Bendix was involved. None of ASARCO's activities, businesses or income (in New Jersey or otherwise) were related to or connected with Bendix's activities, business or income (in New Jersey or otherwise)." Id., at 164-165.

The stipulation gives the following examples of the independence of the businesses:

"There were no common management, officers, or employees of Bendix and Asarco. There was no use by Bendix of Asarco's corporate plant, offices or facilities and no use by Asarco of Bendix's corporate plant, offices or facilities. There was no rent or lease of any property by Bendix from Asarco and no rent or lease of any property by Asarco from Bendix. Bendix andAsarco were each responsible for providing their own legal services, contracting services, tax services, finance services and insurance. Bendix and Asarco had separate personnel and hiring policies . . . and separate pension and employee benefit plans. Bendix did not lend monies to Asarco and Asarco did not lend monies to Bendix. There were no joint borrowings by Bendix and Asarco. Bendix did not guaranty any of Asarco's debt and Asarco did not guaranty any of Bendix's debt. Asarco had no representative on Bendix's Board of Directors. Bendix did not pledge its Asarco stock. As far as can be determined there were no sales of product by Asarco itself to Bendix or by Bendix to Asarco. Three were certain sales of product in the ordinary course of business by Asarco subsidiaries to Bendix but these sales were minute compared to Asarco's total sales . . . . These open market sales were at arms length prices and did not come about due to the Bendix investment in Asarco. There were no transfers of employees between Bendix and Asarco." Id., at 169-171.

While Bendix held its ASARCO stock, ASARCO agreed to recommend that two seats on the 14-member ASARCO Board of Directors be filled by Bendix representatives. The seats were filled by Bendix chief executive officer W.M. Agee and a Bendix outside director. Id., at 168. Nonetheless, "Bendix did not exert any control over ASARCO." Ibid.

After respondent assessed Bendix for taxes on an apportioned amount which included in the base the gain realized upon Bendix's disposition of its ASARCO stock, Bendix sued for a refund in New Jersey Tax Court. The case was decided based upon the stipulated record we have described, and the Tax Court held that the assessment was proper. Bendix Corp. v. Taxation Div. Director, 10 N.J. Tax 46 (1988). The Appellate Division affirmed, Bendix Corp. v.Director, Div. of Taxation, 237 N.J. Super. 328, 568 A.2d 59 (1989), and so, in turn, did the New Jersey Supreme Court. Bendix Corp. v. Director, Div. of Taxation, 125 N.J. 20, 592 A.2d 536 (1991).

The New Jersey Supreme Court held it was constitutional to consider the gain realized from the sale of the ASARCO stock as earned in Bendix's unitary business, drawing from our decision in Container Corp. of America v. Franchise Tax Bd., 463 U.S. 159, 166 (1983), the principle that "the context for determining whether a unitary business exists has, as an overriding consideration, the exchange or transfer of value, which may be evidenced by functional integration, centralization of management, and economies of scale." 125 N.J., at 34, 592 A.2d, at 543-544. The New Jersey Supreme Court went on to state: "The tests for determining a unitary business are not controlled, however, by the relationship between the taxpayer recipient and the affiliate generator of the income that becomes the subject of State tax." Id., at 35, 592 A. 2d, at 544. Based upon Bendix documents setting out corporate strategy, the court found that the acquisition and sale of ASARCO "went well beyond . . . passive investments in business enterprises," id., at 36, 592 A.2d, at 544, and Bendix "essentially had a business function of corporate acquisitions and divestitures that was an integral operational activity." Ibid. As support for its conclusion that the proceeds from the sale of the ASARCO stock were attributable to a unitary business, the New Jersey Supreme Court relied in part on the fact that Bendix intended to use those proceeds in what later proved to be an unsuccessful bid to acquire Martin Marietta, a company whose aerospace business, it was hoped, would complement Bendix's aerospace/electronics business. Id., at 36, 592 A.2d, at 545.

We granted certiorari. 502 U. S. ___ (1991). At the initial oral argument in this case New Jersey advanced the proposition that all income earned by a nondomiciliary corporation could be apportioned by any State in which thecorporation does business. To understand better the consequences of this theory we requested rebriefing and reargument. Our order asked the parties to address three questions:

"1. Should the Court overrule ASARCO Inc. v. Idaho State Tax Comm'n, 458 U.S. 307 (1982), and F. W. Woolworth Co. v. Taxation and Revenue Dept. of New Mexico, 458 U.S. 354 (1982)?

"2. If ASARCO and Woolworth were overruled, should the decision apply retroactively?

"3. If ASARCO and Woolworth were overruled, what constitutional principles should govern state taxation of corporations doing business in several states?" 503 U. S. ___ (1992).

Because we give a negative answer to the first question, see infra, at ___%___, we need not address the second and third.

The principle that a State may not tax value earned outside its borders rests on the fundamental requirement of both the Due Process and Commerce Clauses that there be "some definite link, some minimum connection, between a state and the person, property or transaction it seeks to tax." Miller Bros. Co. v. Maryland, 347 U.S. 340, 344-345 (1954). The reason the Commerce Clause includes this limit is self evident: in a Union of 50 States, to permit each State to tax activities outside its borders would have drastic consequences for the national economy, as businesses could be subjected to severe multiple taxation. But the Due Process Clause also underlies our decisions in this area. Although our modern due process jurisprudence rejects a rigid, formalistic definition of minimum connection, see Quill Corp. v. North Dakota, 504 U. S. ___, ___%___ (1992), we have not abandoned the requirement that, in the case of a tax on an activity, there must be a connection to theactivity itself, rather than a connection only to the actor the State seeks to tax. See id., at ___ (quoting Miller Bros., supra, at 344-345). The constitutional question in a case such as Quill Corp. is whether the State has the authority to tax the corporation at all. The present inquiry, by contrast, focuses on the guidelines necessary to circumscribe the reach of the State's legitimate power to tax. We are guided by the basic principle that the State's power to tax an individual's or corporation's activities is justified by the "protection, opportunities and benefits" the State confers on those activities. Wisconsin v. J.C. Penney Co., 311 U.S. 435, 444 (1940).

Because of the complications and uncertainties in allocating the income of multistate businesses to the several States, we permit States to tax a corporation on an apportionable share of the multistate business carried on in part in the taxing State. That is the unitary business principle. It is not a novel construct, but one which we approved within a short time after the passage of the Fourteenth Amendment's Due Process Clause. We now give a brief summary of its development.

When States attempted to value railroad or telegraph companies for property tax purposes, they encountered the difficulty that what makes such a business valuable is the enterprise as a whole, rather than the track or wires which happen to be located within a State's borders. The Court held that, consistent with the Due Process Clause, a State could base its tax assessments upon "the proportionate part of the value resulting from the combination of the means by which the business was carried on, a value existing to an appreciable extent throughout the entire domain of operation." Adams Express Co. v. Ohio State Auditor, 165 U.S. 194, 220-221 (1897) (citing Western Union Telegraph Co. v. Massachusetts, 125 U.S. 530 (1888); Massachusetts v. Western Union Telegraph Co., 141 U.S. 40 (1891); Maine v. Grand Trunk R. Co., 142 U.S. 217 (1891); Pittsburgh, C., C., & S.L. R. Co. v. Backus, 154 U.S. 421 (1894); Cleveland,C., C., & S.L. R. Co. v. Backus, 154 U.S. 439 (1894); Western Union Telegraph Co. v. Taggart, 163 U.S. 1 (1896); Pullman's Palace Car Co. v. Pennsylvania, 141 U.S. 18 (1891).

Adams Express recognized that the principles which permit a State to levy a tax on the capital stock of a railroad, telegraph, or sleeping car company by reference to its unitary business also allow proportional valuation of a unitary business in enterprises of other sorts. As the Court explained: "The physical unity existing in the former is lacking in the latter; but there is the same unity in the use of the entire property for the specific purpose, and there are the same elements of value arising from such use." 165 U. S., at 221.

The unitary business principle was later permitted for state taxation of corporate income as well as property and capital. Thus, in Underwood Typewriter Co. v. Chamberlain, 254 U.S. 113, 120-121 (1920), we explained:

"The profits of the corporation were largely earned by a series of transactions beginning with manufacture in Connecticut and ending with sale in other States. In this it was typical of a large part of the manufacturing business conducted in the State. The legislature in attempting to put upon this business its fair share of the burden of taxation was faced with the impossibility of allocating specifically the profits earned by the processes conducted within its borders. It, therefore, adopted a method of apportionment which, for all that appears in this record, reached, and was meant to reach, only the profits earned within the State."

As these cases make clear, the unitary business rule is a recognition of two imperatives: the States' wide authority to devise formulae for an accurate assessment of a corporation's intrastate value or income; and the necessary limit on the States' authority to tax value or income which cannot infairness be attributed to the taxpayer's activities within the State. It is this second component, the necessity for a limiting principle, that underlies this case.

As we indicated in Mobil Oil Corp. v. Commissioner of Taxes, 445 U. S., at 442: "Where the business activities of the dividend payor have nothing to do with the activities of the recipient in the taxing State, due process considerations might well preclude apportionability, because there would be no underlying unitary business." The constitutional question becomes whether the income "derive[s] from `unrelated business activity' which constitutes a `discrete business enterprise.' " Exxon Corp. v. Wisconsin Dept. of Revenue, 447 U.S. 207, 224 (1980) (quoting Mobil Oil, supra, at 442, 439).

Although Mobil Oil and Exxon made clear that the unitary business principle limits the States' taxing power, it was not until our decisions in ASARCO Inc. v. Idaho State Tax Comm'n, 458 U.S. 307 (1982), and F.W. Woolworth Co. v. Taxation and Revenue Dept. of N. M., 458 U.S. 354 (1982), that we struck down a state attempt to include in the apportionable tax base income not derived from the unitary business. In those cases the States sought to tax unrelated business activity.

The principal question in ASARCO concerned Idaho's attempt to include in the apportionable tax base of ASARCO certain dividends received from, among other companies, the Southern Peru Copper Corp. 458 U. S., at 309, 320. The analysis is of direct relevance for us because we have held that for constitutional purposes capital gains should be treated as no different from dividends. Id., at 330. The ASARCO in the 1982 case was the same company as the ASARCO here. It was one of four of Southern Peru's shareholders, owning 51.5% of its stock. Under an agreement with the other shareholders, ASARCO was prevented from dominating Southern Peru's board of directors. ASARCO had the right to appoint 6 of Southern Peru's 13 directors, while 8 votes were required for the passage of anyresolution. Southern Peru was in the business of producing unrefined copper (a nonferrous ore), some of which it sold to its shareholders. ASARCO purchased approximately 35% of Southern Peru's output, at average representative trade prices quoted in a trade publication and over which neither Southern Peru nor ASARCO had any control. Id., at 320-322. We concluded that "ASARCO's Idaho silver mining and Southern Peru's autonomous business [were] insufficiently connected to permit the two companies to be classified as a unitary business." Id., at 322.

On the same day we decided ASARCO, we decided Woolworth. In that case, the taxpayer company was domiciled in New York and operated a chain of retail variety stores in the United States. In the company's apportionable state tax base, New Mexico sought to include earnings from four subsidiaries operating in foreign countries. The subsidiaries also engaged in chainstore retailing. Woolworth, supra, at 356-357. We observed that although the parent company had the potential to operate the subsidiaries as integrated divisions of a single unitary business, that potential was not significant if the subsidiaries in fact comprise discrete business operations. Id., at 362. Following the indicia of a unitary business defined in Mobil Oil, we inquired whether any of the three objective factors were present. The factors were: (1) functional integration; (2) centralization of management; and (3) economies of scale. Woolworth, supra, at 364. We found that "[e]xcept for the type of occasional oversight -- with respect to capital structure, major debt, and dividends -- that any parent gives to an investment in a subsidiary," id., at 369, none of these factors was present. The subsidiaries were found not to be part of a unitary business. Ibid.

Our most recent case applying the unitary business principle was Container Corp. of America v. Franchise Tax Bd., 463 U.S. 159 (1983). The taxpayer there was a vertically integrated corporation which manufactured custom ordered paperboard packaging. Id., at 171. California sought to tax income it received from its wholly owned and mostly owned foreign subsidiaries, each of which was in the same business as the parent. Id., at 171-172. The foreign subsidiaries were given a fair degree of autonomy: they purchased only 1% of their materials from the parent and personnel transfers from the parent to the subsidiaries were rare. Id., at 172. We recognized, how ever:

"[I]n certain respects, the relationship between appellant and its subsidiaries was decidedly close. For example, approximately half of the subsidiaries' long term debt was either held directly, or guaranteed, by appellant. Appellant also provided advice and consultation regarding manufacturing techniques, engineering, design, architecture, insurance, and cost accounting to a number of its subsidiaries, either by entering into technical service agreements with them or by informal arrangement. Finally, appellant occasionally assisted its subsidiaries in their procurement of equipment, either by selling them used equipment of its own or by employing its own purchasing department to act as an agent for the subsidiaries." Id., at 173.

Based on these facts, we found that the taxpayer had not met its burden of showing by " ` "clear and cogent evidence" ' " that the State sought to tax extraterritorial values. Id., at 175, 164 (quoting Exxon Corp., supra, at 221, in turn quoting Butler Bros. v. McColgan, 315 U.S. 501, 507 (1942), in turn quoting Norfolk Western R. Co. v. North Carolina ex rel. Maxwell, 297 U.S. 682, 688 (1936)).

In the course of our decision in Container Corp., we reaffirmed that the constitutional test focuses on functional integration, centralization of management, and economies of scale. 463 U. S., at 179 (citing Woolworth, supra, at 364; Mobil Oil, supra, at 438). We also reiterated that a unitary business may exist without a flow of goods between theparent and subsidiary, if instead there is a flow of value between the entities. Id., at 178. The principal virtue of the unitary business principle of taxation is that it does a better job of accounting for "the many subtle and largely unquantifiable transfers of value that take place among the components of a single enterprise" than, for example, geographical or transactional accounting. Id., at 164-165 (citing Mobil Oil Corp., 445 U. S., at 438-439).

Notwithstanding the Court's long experience in applying the unitary business principle, New Jersey and several amici curiae argue that it is not an appropriate means for distinguishing between income generated within a State and income generated without. New Jersey has not persuaded us to depart from the doctrine of stare decisis by overruling our cases which announce and follow the unitary business standard. In deciding whether to depart from a prior decision, one relevant consideration is whether the decision is "unsound in principle." Garcia v. San Antonio Metropolitan Transit Authority, 469 U.S. 528, 546 (1985). Another is whether it is "unworkable in practice." Ibid. And, of course, reliance interests are of particular relevance because "[a]dherence to precedent promotes stability, predictability, and respect for judicial authority." Hilton v. South Carolina Public Railways Comm'n, 502 U. S. ___, ___ (1991) (citing Vasquez v. Hillery, 474 U.S. 254, 265-266 (1986)). See also Quill Corp. v. North Dakota, 504 U. S., at ___ (industry's reliance justifies adherence to precedent); id., at ___ (Scalia, J., concurring in part and concurring in judgment) (same). Against this background we address the arguments of New Jersey and its amici.

New Jersey contends that the unitary business principle must be abandoned in its entirety, arguing that a nondomiciliary State should be permitted "to apportion all the income of a separate multistate corporate taxpayer." Brief for Respondent on Reargument 27. According to New Jersey, the unitary business principle does not reflecteconomic reality, while its proposed theory does. We are not convinced.

New Jersey does not appear to dispute the basic proposition that a State may not tax value earned outside its borders. It contends instead that all income of a corporation doing any business in a State is, by virtue of common ownership, part of the corporation's unitary business and apportionable. See Tr. of Oral Arg. 25-26 (Apr. 22, 1992). New Jersey's sweeping theory cannot be reconciled with the concept that the Constitution places limits on a State's power to tax value earned outside of its borders. To be sure, our cases give States wide latitude to fashion formulae designed to approximate the instate portion of value produced by a corporation's truly multistate activity. But that is far removed from New Jersey's theory that any business in the State, no matter how small or unprofitable, subjects all of a corporation's out of state income, no matter how discrete, to apportionment.

According to New Jersey, Brief for Respondent on Reargument 11, there is no logical distinction between short term investment of working capital, which all concede is apportionable, see Reply Brief for Petitioner on Reargument 4-5 and n.3; Tr. of Oral Arg. 7-8 (Apr. 22, 1992); Container Corp., 463 U. S., at 180, n.19, and all other investments. The same point was advanced by the dissent in ASARCO, 458 U. S., at 337 (opinion of O'Connor, J.). New Jersey's basic theory is that multistate corporations like Bendix regard all of their holdings as pools of assets, used for maximum long term profitability, and that any distinction between operational and investment assets is artificial. We may assume, arguendo, that the managers of Bendix cared most about the profits entry on a financial statement, but that state of mind sheds little light on the question whether in pursuing maximum profits they treated particular intangible assets as serving, on the one hand, an investment function, or, on the other, an operational function. See Container Corp., supra, at 180, n. 19. That is therelevant unitary business inquiry, one which focuses on the objective characteristics of the asset's use and its relation to the taxpayer and its activities within the taxing State. It is an inquiry to which our cases give content, and which is necessary if the limits of the Due Process and Commerce Clauses are to have substance in a modern economy. In short, New Jersey's suggestion is not in accord with the well established and substantial case law interpreting the Due Process and Commerce Clauses.

Our precedents are workable in practice; indeed, New Jersey conceded as much. See Tr. of Oral Arg. 37-38 (Apr. 22, 1992). If lower courts have reached divergent results in applying the unitary business principle to different factual circumstances, that is because, as we have said, any number of variations on the unitary business theme "are logically consistent with the underlying principles motivating the approach," Container Corp., supra, at 167, and also because the constitutional test is quite fact sensitive.

Indeed, if anything would be unworkable in practice, it would be for us now to abandon our settled jurisprudence defining the limits of state power to tax under the unitary business principle. State legislatures have relied upon our precedents by enacting tax codes which allocate intangible nonbusiness income to the domiciliary State, see App. to Brief for Petitioner on Reargument 1a 7a (collecting statutes). Were we to adopt New Jersey's theory, we would be required either to invalidate those statutes or authorize what would be certain double taxation. And, of course, we would defeat the reliance interest of those corporations which have structured their activities and paid their taxes based upon the well established rules we here confirm. Difficult questions respecting the retroactive effect of our decision would also be presented. See James B. Beam Distilling Co. v. Georgia, 501 U. S. ___ (1991). New Jersey's proposal would disrupt settled expectations in an area of the law in which the demands of the national economy require stability.

Not willing to go quite so far as New Jersey, some amici curiae urge us to modify, rather than abandon, the unitary business principle. See, e. g., Brief for Multistate Tax Commission as Amicus Curiae; Brief for Multistate Tax Commission as Amicus Curiae on Reargument; Brief for Chevron Corporation as Amicus Curiae. They urge us to hold that the Constitution does not require a unitary business relation between the payor and the payee in order for a State to apportion the income the payee corporation receives from an investment in the payor. Rather, they urge us to adopt as the constitutional test the standard set forth in the business income definition in section 1(a) of the Uniform Division of Income for Tax Purposes Act (UDITPA), 7A U. L. A. 331, 336 (1985). Under UDITPA, "business income," which is apportioned, is defined as: "income arising from transactions and activity in the regular course of the taxpayer's trade or business and includes income from tangible and intangible property if the acquisition, management and disposition of the property constitute integral parts of the taxpayer's regular trade or business operations." UDITPA § 1(a). "Non business income," which is allocated, is defined as "all income other than business income." UDITPA § 1(e).

In the abstract, these definitions may be quite compatible with the unitary business principle. See Container Corp., supra, at 167 (noting that most of the relevant provisions of the California statute under which we sustained the challenged tax there were derived from UDITPA). Furthermore, the unitary business principle is not so inflexible that as new methods of finance and new forms of business evolve it cannot be modified or supplemented where appropriate. It does not follow, though, that apportionment of all income is permitted by the mere fact of corporate presence within the State; and New Jersey offers little more in support of the decision of the State Supreme Court.

We agree that the payee and the payor need not be engaged in the same unitary business as a prerequisite toapportionment in all cases. Container Corp. says as much. What is required instead is that the capital transaction serve an operational rather than an investment function. 463 U. S., at 180, n.19. Hence, in ASARCO, although we rejected the dissent's factual contention that the stock investments there constituted "interim uses of idle funds `accumulated for the future operation of [the taxpayer's] business [operation],' " we did not dispute the suggestion that had that been so the income would have been apportionable. 458 U. S., at 325, n. 21.

To be sure, the existence of a unitary relation between the payor and the payee is one means of meeting the constitutional requirement. Thus, in ASARCO and Woolworth we focused on the question whether there was such a relation. We did not purport, however, to establish a general requirement that there be a unitary relation between the payor and the payee to justify apportionment, nor do we do so today.

It remains the case that "[i]n order to exclude certain income from the apportionment formula, the company must prove that `the income was earned in the course of activities unrelated to [those carried out in the taxing] State.' " Exxon Corp. v. Wisconsin Dept. of Revenue, 447 U.S. 207, 223 (1980) (quoting Mobil Oil Corp. v. Commissioner of Taxes, 445 U.S. 425, 439 (1980). The existence of a unitary relation between payee and payor is one justification for apportionment, but not the only one. Hence, for example, a State may include within the apportionable income of a nondomiciliary corporation the interest earned on short term deposits in a bank located in another state if that income forms part of the working capital of the corporation's unitary business, notwithstanding the absence of a unitary relationship between the corporation and the bank. That circumstance, of course, is not at all presented here. See infra, at ___.

Application of the foregoing principles to the present case yields a clear result: the stipulated factual record now before us presents an even weaker basis for inferring a unitary business than existed in either ASARCO or Woolworth, making this an a fortiori case. There is no serious contention that any of the three factors upon which we focused in Woolworth were present. Functional integration and economies of scale could not exist because, as the parties have stipulated, "Bendix and ASARCO were unrelated business enterprises each of whose activities had nothing to do with the other." App. 169. Moreover, because Bendix owned only 20.6% of ASARCO's stock, it did not have the potential to operate ASARCO as an integrated division of a single unitary business, and of course, even potential control is not sufficient. Woolworth, 458 U. S., at 362. There was no centralization of management.

Furthermore, contrary to the view expressed below by the New Jersey Supreme Court, see 125 N. J., at 36-37, 592 A.2d, at 544-545, the mere fact that an intangible asset was acquired pursuant to a long term corporate strategy of acquisitions and dispositions does not convert an otherwise passive investment into an integral operational one. Indeed, in Container Corp. we noted the important distinction between a capital transaction which serves an investment function and one which serves an operational function. 463 U. S., at 180, n.19 (citing Corn Products Refining Co. v. Commissioner, 350 U.S. 46, 50-53 (1955)). If that distinction is to retain its vitality, then, as we held in ASARCO, the fact that a transaction was undertaken for a business purpose does not change its character. 458 U. S., at 326. Idaho had argued that intangible income could be treated as earned in the course of a unitary business if the intangible property which produced that income is " `acquired, managed or disposed of for purposes relating or contributing to the taxpayer's business.' " Ibid. (quoting Brief for Appellee 4). In rejecting the argument we

observed:

"This definition of unitary business would destroy the concept. The business of a corporation requires that it earn money to continue operations and to provide a return on its invested capital. Consequently all of its operations, including any investment made, in some sense can be said to be `for purposes related to or contributing to the [corporation's] business.' When pressed to its logical limit, this conception of the `unitary business' limitation becomes no limitation at all." 458 U. S., at 326.

Apart from semantics, we see no distinction between the "purpose" test we rejected in ASARCO and the "ingrained acquisition divestiture policy" approach adopted by the New Jersey Supreme Court. 125 N. J., at 36, 592 A.2d, at 544. The hallmarks of an acquisition which is part of the taxpayer's unitary business continue to be functional integration, centralization of management, and economies of scale. Container Corp. clarified that these essentials could respectively be shown by: transactions not undertaken at arm's length, 463 U. S., at 180, n. 19; a management role by the parent which is grounded in its own operational expertise and operational strategy, ibid.; and the fact that the corporations are engaged in the same line of business. Id., at 178. It is undisputed that none of these circumstances existed here.

The New Jersey Supreme Court also erred in relying on the fact that Bendix intended to use the proceeds of its gain from the sale of ASARCO to acquire Martin Marietta. Even if we were to assume that Martin Marietta, once acquired, would have been operated as part of Bendix's unitary business, that reveals little about whether ASARCO was run as part of Bendix's unitary business. Nor can it be maintained that Bendix's shares of ASARCO stock, which it held for over two years, amounted to a short terminvestment of working capital analogous to a bank account or certificate of deposit. See Container Corp., supra, at 180, n. 19; ASARCO, supra, at 325, n. 21.

In sum, the agreed upon facts make clear that under our precedents New Jersey was not permitted to include the gain realized on the sale of Bendix's ASARCO stock in the former's apportionable tax base.

The judgment of the New Jersey Supreme Court is reversed, and the case is remanded for further proceedings not inconsistent with this opinion.

It is so ordered.