No. 94-1988


on writ of certiorari to the Supreme Judicial Court of Maine

[May 19, 1997]

Justice Thomas, with whom Justice Scalia joins, The tax at issue here is a tax on real estate, the quintessential asset that does not move in interstate commerce. Maine exempts from its otherwise generally applicable property tax, and thereby subsidizes, certain charitable organizations that provide the bulk of their charity to Maine's own residents. By invalidating Maine's tax assessment on the real property of charitable organizations primarily serving non Maine residents, because of the tax's alleged indirect effect on interstate commerce, the majority has essentially created a "dormant" Necessary and Proper Clause to supplement the "dormant" Commerce Clause. This move works a significant, unwarranted, and, in my view, improvident expansion in our "dormant," or "negative," Commerce Clause jurisprudence. [n.1] For that reason, I join JusticeScalia's dissenting opinion.

I write separately, however, because I believe that the improper expansion undertaken today is possible only because our negative Commerce Clause jurisprudence, developed primarily to invalidate discriminatory state taxation of interstate commerce, was already both overbroad and unnecessary. It was overbroad because, unmoored from any constitutional text, it brought within the supervisory authority of the federal courts state action far afield from the discriminatory taxes it was primarily designed to check. It was unnecessary because the Constitution would seem to provide an express check on the States' power to levy certain discriminatory taxes on the commerce of other States — not in the judicially created negative Commerce Clause, but in the Article I, 10 Import Export Clause, our decision in Woodruff v. Parham, 8 Wall. 123 (1869), notwithstanding. That the expansion effected by today's decision finds some support in the morass of our negative Commerce Clause caselaw only serves to highlight the need to abandon that failed jurisprudence and to consider restoring the original Import Export Clause check on discriminatory state taxation to what appears to be its proper role. As I explain in Part III, the tax (and tax exemption) at issue in this case seems easily to survive Import Export Clause scrutiny; I would therefore, in all likelihood, sustain Maine's tax under that Clause as well, were we to apply it instead of the judicially created negative Commerce Clause.

The negative Commerce Clause has no basis in the text of the Constitution, makes little sense, and has proved virtually unworkable in application. See, e.g., Tyler Pipe Industries, Inc. v. Washington State Dept. of Revenue, 483 U.S. 232, 259-265 (1987) (Scalia, J., dissenting); Bendix Autolite Corp. v. Midwesco Enterprises, Inc., 486 U.S. 888, 895-898 (1988) (Scalia, J., concurring in judgment). In one fashion or another, every Member of the current Court [n.2] and a goodly number of our predecessors [n.3] have at least recognizedthese problems, if not been troubled by them. [n.4]Because the expansion effected by today's holding further undermines the delicate balance in what we have termed "Our Federalism," Younger v. Harris, 401 U.S. 37, 44 (1971), I think it worth revisiting the underlying justifications for our involvement in the negative aspects of the Commerce Clause, and the compelling arguments demonstrating why those justifications are illusory.

To cover its exercise of judicial power in an area for which there is no textual basis, the Court has historically offered two different theories in support of its negative Commerce Clause jurisprudence. The first theory posited was that the Commerce Clause itself constituted an exclusive grant of power to Congress. See, e.g., Passenger Cases, 7 How. 283, 393-400 (1849). [n.5]The "exclusivity" rationale was likely wrong from the outset, however. See, e.g., The Federalist No. 32, p. 154 (M. Beloff ed. 1987) (A. Hamilton) ("[N]otwithstanding the affirmative grants of general authorities, there has been the most pointed care in those cases where it was deemed improper that the like authorities should reside in the states, to insert negative clauses prohibiting the exercise of them by the states"). [n.6] It was seriously questioned even in early cases. See License Cases, 5 How. 504, 583, 615, 618, 624 (1847) (Four, and arguably five, of the seven participating Justices contending that the Commerce Clause was not exclusive). And, in any event, the Court has long since "repudiated" the notion that the Commerce Clause operates as an exclusive grant of power to Congress, and thereby forecloses state action respecting interstate commerce. Freeman v. Hewit, 329 U.S. 249, 259, 262 (1946) (Rutledge, J., concurring); see also, e.g., Southern Pacific Co. v.Arizona ex rel. Sullivan, 325 U.S. 761, 766-767 (1945) ("Ever since Willson v. Black Bird Creek Marsh Co., 2 Pet. 245, and Cooley v. Board of Wardens, 12 How. 299, it has been recognized that, in the absence of conflicting legislation by Congress, there is a residuum of power in the state to make laws governing matters of local concern which nevertheless in some measure affect interstate commerce or even, to some extent, regulate it"); James v. Watt, 716 F. 2d 71, 73 (CA1 1983) (Breyer, J.) (noting that "the strong Madison/Marshall `preemptive' view of the Interstate Commerce Clause is no longer the law of the land"), cert. denied, 467 U.S. 1209 (1984). [n.7]

Indeed, the Court's early view that the Commerce Clause, on its own, prohibited state impediments to interstate commerce such that "Congress cannot re grant, or in any manner reconvey to the states that power," Cooley v. Board of Wardens of Port of Philadelphia ex rel. Soc. for Relief of Distressed Pilots, 12 How. 299, 318 (1852), quickly proved untenable. Compare Pennsylvania v. Wheeling & Belmont Bridge Co., 13 How. 518 (1852) (holding that construction of the Wheeling Bridgeimpeded commerce in violation of the Commerce Clause), with Pennsylvania v. Wheeling & Belmont Bridge Co., 18 How. 421, 426 (1856) (upholding Federal Act that declared the Wheeling Bridge to be "[a] lawful structur[e]"); see also Transportation Co. v. Parkersburg, 107 U.S. 691, 701 (1883) ("It is Congress, and not the Judicial Department, to which the Constitution has given the power to regulate commerce"). [n.8]And, as this Court's definition of the scope of congressional authority under the positive Commerce Clause has expanded, the exclusivity rationale has moved from untenable to absurd.

The second theory offered to justify creation of a negative Commerce Clause is that Congress, by its silence, pre empts state legislation. See Robbins v. Shelby County Taxing Dist., 120 U.S. 489, 493 (1887) (asserting that congressional silence evidences congressional intent that there be no state regulation of commerce). In other words, we presumed that congressional "inaction" was "equivalent to a declaration that inter State commerce shall be free and untrammelled." Welton v. Missouri, 91 U.S. 275, 282 (1876). To the extent that the "preemption by silence" rationale ever made sense, it too has long since been rejected by this Court in virtually every analogous area of the law.

For example, ever since the watershed case of Erie R. Co. v. Tompkins, 304 U.S. 64 (1938), this Court has rejected the notion that it can create a federal common law to fill in great silences left by Congress, and thereby pre empt state law. We have recognized that "a federalcourt could not generally apply a federal rule of decision, despite the existence of jurisdiction, in the absence of an applicable Act of Congress." Milwaukee v. Illinois, 451 U.S. 304, 313 (1981). [n.9]

The limited areas in which we have created federal common law typically involve either uniquely federal issues or the rights and responsibilities of the United States or its agents. See Texas Industries, Inc. v. Radcliff Materials, Inc., 451 U.S. 630, 641 (1981). But where a federal rule is not essential, or where state law already operates within a particular field, we have applied state law rather than opting to create federal common law. See United States v. Kimbell Foods, Inc., 440 U.S. 715, 730 (1979) (rejecting "generalized pleas for uniformity" as a basis for creating federal common law); see also Atherton v. FDIC, 519 U. S. ___, ___ (1997) (slip op., at 12) (same).

Similarly, even where Congress has legislated in an area subject to its authority, our pre emption jurisprudence explicitly rejects the notion that mere congressional silence on a particular issue may be read as pre empting state law:

"As is always the case in our pre emption jurisprudence, where `federal law is said to bar stateaction in fields of traditional state regulation . . . we have worked on the "assumption that the historic police powers of the States were not to be superseded by the Federal Act unless that was the clear and manifest purpose of Congress." ' " California Div. of Labor Standards Enforcement v. Dillingham Constr. N. A., Inc., 519 U. S. ___, ___ (1997) (slip op., at 8) (citations omitted).

See also, Jones v. Rath Packing Co., 430 U.S. 519 (1977) (same); Rice v. Santa Fe Elevator Corp., 331 U.S. 218 (1947) (same).

To be sure, we have overcome our reluctance to pre empt state law in two types of situations: (1) where a state law directly conflicts with a federal law; and (2) where Congress, through extensive legislation, can be said to have pre empted the field. See Gade v. National Solid Wastes Management Assn., 505 U.S. 88, 98 (1992). But those two forms of pre emption provide little aid to defenders of the negative Commerce Clause. Conflict pre emption only applies when there is a direct clash between an Act of Congress and a state statute, but the very premise of the negative Commerce Clause is the absence of congressional action.

Field pre emption likewise is of little use in areas where Congress has failed to enter the field, and certainly does not support the general proposition of "preemption by silence" that is used to provide a veneer of legitimacy to our negative Commerce Clause forays. Furthermore, field pre emption is itself suspect, at least as applied in the absence of a congressional command that a particular field be pre empted. Perhaps recognizing this problem, our recent cases have frequently rejected field pre emption in the absence of statutory language expressly requiring it. See, e.g., O'Melveny & Myers v. FDIC, 512 U.S. 79, 85 (1994) ("Nor would we adopt a court made rule to supplement federal statutory regulation that is comprehensive and detailed; mattersleft unaddressed in such a scheme are presumably left subject to the disposition provided by state law"). Even when an express pre emption provision has been enacted by Congress, we have narrowly defined the area to be pre empted. See, e.g., Dillingham, supra, at ___ (slip op., at 7-8); Cipollone v. Liggett Group, Inc., 505 U.S. 504, 517 (1992).

In the analogous context of statutory construction, we have similarly refused to rely on congressional inaction to alter the proper construction of a pre existing statute. See Central Bank of Denver, N. A. v. FirstInterstate Bank of Denver, N. A., 511 U.S. 164, 180-185 (1994). And, even more troubling, the "preemption by silence" rationale virtually amounts to legislation by default, in apparent violation of the constitutional requirements of bi cameralism and presentment. Cf. INS v. Chadha, 462 U.S. 919, 951-959 (1983). Thus, even were we wrongly to assume that congressional silence evidenced a desire to pre empt some undefined category of state laws, and an intent to delegate such policy laden categorization to the courts, treating unenacted congressional intent as if it were law would be constitutionally dubious.

In sum, neither of the Court's proffered theoretical justifications — exclusivity or preemption by silence — currently supports our negative Commerce Clause jurisprudence, if either ever did. Despite the collapse of its theoretical foundation, I suspect we have nonetheless adhered to the negative Commerce Clause because we believed it necessary to check state measures contrary to the perceived spirit, if not the actual letter, of the Constitution. Thus, in one of our early uses of the negative Commerce Clause, we invalidated a state tax on the privilege of selling goods "which are not the growth, produce, or manufacture of the State." Welton v. Missouri, 91 U.S. 275, 278 (1876). And in Cook v. Pennsylvania, 97 U.S. 566 (1878), we struck down a state tax on out of state goods sold at auction. See also,e.g., I. M. Darnell & Son Co. v. Memphis, 208 U.S. 113 (1908) Voight v. Wright, 141 U.S. 62 (1891); Walling v. Michigan, 116 U.S. 446 (1886); Webber v. Virginia, 103 U.S. 344 (1881). To this day, we find discriminatory state taxes on out of state goods to be "virtually per se invalid" under our negative Commerce Clause. See, e.g., West Lynn Creamery, Inc. v. Healy, 512 U.S. 186 (1994); Associated Industries of Mo. v. Lohman, 511 U.S. 641 (1994); New Energy Co. of Ind. v. Limbach, 486 U.S. 269 (1988); Maryland v. Louisiana, 451 U.S. 725 (1981). Though each of these cases reached what intuitively seemed to be a desirable result — and in some cases arguably was the constitutionally correct result, as I describe below — the negative Commerce Clause rationale upon which they rested remains unsettling because of that rationale's lack of a textual basis.

Moreover, our negative Commerce Clause jurisprudence has taken us well beyond the invalidation of obviously discriminatory taxes on interstate commerce. We have used the Clause to make policy laden judgments that we are ill equipped and arguably unauthorized to make. See Moorman Mfg. Co. v. Bair, 437 U.S. 267, 278-280 (1978) (recognizing that establishing a formula for apportioning taxes on multistate corporations would require "extensive judicial lawmaking" for which the courts are ill suited). In so doing, we have developed multifactor tests in order to assess the perceived "effect" any particular state tax or regulation has on interstate commerce. See Complete Auto Transit, Inc. v. Brady, 430 U.S. 274 (1977); see also Quill Corp. v. North Dakota, 504 U.S. 298 (1992). And in an unabashedly legislative manner, we have balanced that "effect" against the perceived interests of the taxing or regulating State, as the very description of our "general rule" indicates:

"Where the statute regulates even handedly to effectuate a legitimate local public interest, and itseffects on interstate commerce are only incidental, it will be upheld unless the burden imposed on such commerce is clearly excessive in relation to the putative local benefits. Huron Portland Cement Co. v. Detroit, 362 U.S. 440 (1960). If a legitimate local purpose is found, then the question becomes one of degree. And the extent of the burden that will be tolerated will of course depend on the nature of the local interest involved, and on whether it could be promoted as well with a lesser impact on interstate activities." Pike v. Bruce Church, Inc., 397 U.S. 137, 142 (1970)

Any test that requires us to assess (1) whether a particular statute serves a "legitimate" local public interest; (2) whether the effects of the statute on interstate commerce are merely "incidental" or "clearly excessive in relation to the putative benefits"; (3) the "nature" of the local interest; and (4) whether there are alternative means of furthering the local interest that have a "lesser impact" on interstate commerce, and even then makes the question "one of degree," surely invites us, if not compels us, to function more as legislators than as judges. See Bendix Autolite Corp. v. Midwesco Enterprises, Inc., 486 U. S., at 897-898 (Scalia, J., concurring in judgment) (urging abandonment of the Pike balancing test so as to "leave essentially legislative judgments to the Congress").

Moreover, our open ended balancing tests in this area have allowed us to reach different results based merely "on differing assessments of the force of competing analogies." Oklahoma Tax Comm'n v. Jefferson Lines, Inc., 514 U.S. 175, 197, n. 7 (1995). The examples are almost too numerous to count, but there is perhaps none that more clearly makes the point than a comparison of our decisions in Philadelphia v. New Jersey, 437 U.S. 617 (1978), and its progeny, on the one hand, and Bowman v. Chicago & Northwestern R. Co., 125 U.S. 465 (1888), and its progeny, on the other. In Bowman, we recognized that States can prohibit the importation of "cattle or meat or other provisions that are diseased or decayed, or otherwise, from their condition and quality, unfit for human use or consumption," id., at 489, a view to which we have adhered for more than a century, see, e.g., Maine v. Taylor, 477 U.S. 131 (1986); Asbell v. Kansas, 209 U.S. 251 (1908). In Philadelphia, however, we held that New Jersey could not prohibit the importation of "solid or liquid waste which originated or was collected outside the territorial limits of the State." 437 U. S., at 618 (internal quotation marks omitted). The cases were arguably distinguishable, but only on policy grounds and not on any distinction derived from the text of the Constitution itself.

Similarly, we have in some cases rejected attempts by a State to limit use of the State's own natural resources to that State's residents. See, e.g., Hughes v. Oklahoma, 441 U.S. 322, 338 (1979). But in other cases, we have upheld just such preferential access. See, e.g., Sporhase v. Nebraska ex rel. Douglas, 458 U.S. 941, 955-957 (1982); cf. Baldwin v. Fish and Game Comm'n of Mont., 436 U.S. 371 (1978). Again, the distinctions turned on often subtle policy judgments, not the text of the Constitution.

In my view, none of this policy laden decisionmaking is proper. Rather, the Court should confine itself to interpreting the text of the Constitution, which itself seems to prohibit in plain terms certain of the more egregious state taxes on interstate commerce described above, see supra, at , and leaves to Congress the policy choices necessary for any further regulation of interstate commerce.

Article I, 10, cl. 2 of the Constitution provides that "[n]o State shall, without the Consent of the Congress,lay any Imposts or Duties on Imports or Exports . . . ." To the 20 century reader, the Clause appears only to prohibit States from levying certain kinds of taxes on goods imported from or exported to foreign nations. But a strong argument can be made that for the Constitution's Framers and ratifiers — representatives of States which still viewed themselves as semi independent sovereigns — the terms "imports" and "exports" encompassed not just trade with foreign nations, but trade with other States as well.

The late Professor William Crosskey, in a persuasive treatment of this subject nearly a half century ago, unearthed numerous Founding era examples in which the word "import" referred to goods produced in other States. See W. Crosskey, The True Meaning of the Imports and Exports Clause: Herein of "Interstate Trade Barriers" in 1787, 1 Politics and the Constitution in the History of the United States 295-323 (1953). Crosskey recounts, for example, that merchants frequently published advertisements in the local newspapers announcing recent shipments of such "imported" goods as "Philadelphia Flour," "Carolina Rice," and "Connecticut Beef." Id., at 298. [n.10]Similarly, the word "export" wasused to refer to goods shipped both to other States and abroad. One writer, for example, urged his fellow Connecticut citizens to manufacture stockings in sufficient quantity not only for the supply of Connecticut "but for exportation to other States" as well. Letter from "A. C.," The Massachusetts Centinel, Sept. 5, 1787, p. 1, col. 1 (reprinted from New Haven Gazette) (emphasis added). Another argued that Connecticut could enrich itself "[b]y making and refining Cyder for exportation with which we might supply the Southern States, as well as the large provinces of Quebec and Nova Scotia." The Connecticut Farmer, New Haven Gazette, Oct. 6, 1785, p. 2, col. 3 (second and third emphases added).

More significantly, the early statute books are replete with examples of these commonplace 18th century understandings of the terms "import" and "export." The Virginia cheese duty Act of October 1786, for example, provided for a duty of "three pence a pound on all cheese . . . imported into this commonwealth." 12 Hening, Virginia Statutes at Large, ch. 29, 2, p. 289 (emphasis added). As complaints published in New England newspapers indicate, that duty was imposed on cheese produced by the New England States. See The Salem [Mass.] Mercury, Mar. 3, 1787, p. 2, col. 2. Moreover, the duty was but one of many imposed by Virginia, which had for some time, it seems, "imposed like duties upon the importation of New England rum, Lynn [Mass.] Shoes, Cheese, Cordage, and a variety of other articles manufactured in the Eastern States." The Independent Chronicle [Boston], Apr. 19, 1787, p. 3, col. 2; see 11 Hening, Virginia Statutes at Large, ch. 8, 8, pp. 121-122 (Oct. 1782) (imposing a tonnage duty "on all vessels . . . from or to foreign parts, or from or to anyof the United States," and an impost duty on goods "imported or brought into this commonwealth . . . from any port or place whatsoever").

Maryland, for its part, taxed certain "articles exported out of" the State, including flour shipped to New England. 1784 Md. Laws, ch. 84, 1; see also Letter from "A Citizen," The Norwich [Conn.] Packet, Jan. 17, 1788, p. 1, col. 1 ("The New England States have imported, for four years past, from the State of Maryland, upwards of twenty five thousand barrels of flour annually — on which they have been obliged to pay a duty for the liberty of exportation"). And, when it provided for the inspection of salted foods "exported and imported from and to the town of Baltimore," Maryland expressly included salted foods "brought or imported into the said town, from any part of this state, or any one of the United States, or from any foreign port whatever." 1786 Md. Laws, ch. 17, 5.

In similar fashion, Connecticut adopted an excise tax that distinguished between "imported Chocolate," taxed at three pence per pound, and "Chocolate made within this State," taxed at one Penny per pound. 1783 Conn. Acts and Laws 619. And in May 1784, Connecticut adopted an import duty that expressly applied to certain enumerated articles "imported or brought into this State, by Land or Water, from any of the United States of America." 1784 Conn. Acts and Laws 271. [n.11]

In fact, when state legislators of the founding generation intended to limit the term "imports" only to goods of foreign origin, they were quite adept at so indicating. See 1784 Conn. Acts and Laws 269 (provision regarding merchants "who shall import annually into [New London or New Haven] from Europe, Asia or Africa, Goods, Wares and Merchandise, the Growth, Produce or Manufacture of said Countries"); id., at 270 (setting duties for "Goods imported into this State from any Foreign Port, Island or Plantation not within any of The United States"); 2 New York Laws, ch. 7, p. 12 (1886) (Act of Nov. 18, 1784, setting duties for certain "articles imported from Europe"). Thus, based on this common 18th century usage of the words "import" and "export," and the lack of any textual indication that the Clause was intended to apply exclusively to foreign goods, it seems likely that those who drafted the Constitution sought, through the Import Export Clause, to prohibit States from levying duties and imposts on goods imported from or exported to other States as well as foreign nations, and that those who ratified the Constitution would have so understood the Clause.

Our Civil War era decision in Woodruff v. Parham, 8 Wall. 123 (1869), of course, held that the Import Export Clause applied only to foreign trade. None of the parties to these proceedings have challenged that holding, but given that the common 18th century understanding of the words used in the Clause extended to interstate as well as foreign trade, it is worth assessing the Woodruff Court's reasoning with an eye toward reconsidering that decision in an appropriate case.

The Woodruff Court began with a textual argument, contending that the power to levy "imposts" given to Congress in Art. I, 8, cl. 1 applied only to foreign imports. Such a limited reading of the word "imposts" in that Clause was necessary, the Court claimed, because any other reading would be nonsensical: Goods "imported" by one State from another State, explained the Court, would be an "export" of the State where the goods were produced or grown, and the supposed power given to Congress in Art. I, 8 to levy an "impost" on such "imports" would be prohibited by the Art. I, 9 provision that "[n]o Tax or Duty shall be laid on Articles exported from any State." This apparent tension between 8 and 9 led the Court to believe that the word "imposts" in 8 must be read as applying only to foreign imports in order to avoid a partial negation of the Art. I, 8 power. The Court then extrapolated from this reading that the word "impost" in Art. I, 10 similarly had the same limited application to foreign imports. As we have already seen, however, see supra, at , the word "import" derived its meaning from the jurisdiction into which goods were imported; consequently, it does not necessarily follow that the imports on which Congress was given the power to lay "imposts" in Art. I, 8 were identical to the imports and exports on which the several States were prohibited from levying-Imposts or Duties" by Art. I, 10. [n.12]

The Woodruff Court bolstered its textual argument with two further arguments, neither of which appear still to be valid, if ever they were: First, that in the history of the Constitution's formation and adoption, "the words imports and imposts were used with exclusive reference to articles imported from foreign countries," id., at 133 (emphasis added), and second, the policy concern that goods imported from other States would be forever exempt from tax if the Clause were read to apply to interstate imports.

As to the first nontextual argument, the Woodruff Court was selective in its use of history, to say the least. It first asserted that, in Articles VI and IX of the Articles of Confederation, the words "imports, exports, and imposts are used with exclusive reference to foreign trade, because [those articles] have regard only to the treaty making power of the federation." Id., at 134. Even if the Woodruff Court's assertion was accurate as to Articles VI and IX, which is doubtful, [n.13] Article IVcannot be so read. That Article expressly permitted "duties" and "impositions" to be levied on property removed from one State to another, as long as the property was not owned by "the United States, or either of them." [n.14]

The Woodruff Court next turned to the use of the words "duty" and "import" in the Continental Congress. The Court noted that the Continental Congress recommended that the States give it permission to levy a duty of five percent on all "foreign merchandise imported into the country," and that, though "imperfectly . . . preserved," the debates in the Congress "are full of the subject of the injustice done by the States who had good seaports, by duties levied in those ports on foreign goods designed for States who had no such ports." Id., at 134.

There is, of course, no question that the ability of seaport States to tax the foreign imports of their neighbors was a source of discord between the States, and continued to be so through the Constitutional Convention itself. In order to support its contention, however, the Woodruff Court was obligated to show not merely that the words "duty," "impost," and "imports" were used in reference to foreign goods, but that foreign goods were the exclusive reference. Contrary to the Woodruff Court's claim, the historical record does not appear to support such an exclusive use of the words.

The records of the Continental Congress contain numerous examples of the words "duty," "impost," and "import" being used with reference to interstate trade. In 1785, for example, in response to the increasing animosities between the states engendered by conflicting interstate trade regulations, an amendment to the Articles of Confederation was proposed that would have vested in the Continental Congress the power to lay "such imposts and duties upon imports and exports, as may be necessary for the purpose" of "regulating the trade of the States, as well with foreign Nations, as with each other." 28 Journals of the Continental Congress, Mar. 28, 1785, p. 201 (1933) (emphasis added). Two provisos within the proposed amendment further suggest that interstate imports and exports were very much within the purview of the amendment: First, %that the Citizens of the States shall in no instance be subjected to pay higher imposts and duties, than those imposed on the subjects of foreign powers"; and second, %that theLegislative power of the several States shall not be restrained from prohibiting the importation or exportation of any species of goods or commodities whatsoever." Ibid.

As early as 1779, the problems posed by interstate trade barriers had become acute enough to warrant a request by the Continental Congress urging the States "to repeal all laws or other restrictions laid on the inland trade between the said states." Resolution of Aug. 25, 1779, 14 Journals of the Continental Congress 986; id., at 996 (adopting resolution). While this particular resolution does not use the words "duties" or "imports," it seems evident from a survey of the statutory "duties" being levied by some States on goods "imported" from other States, see supra, at ", that the resolution was directed at just such duties on imports from other States.

Many of the States ignored the request, of course, and their "rival, conflicting and angry regulations," continued to be a source of conflict until the new Constitution went into effect. See Madison, Preface to Debates in the Convention of 1787 (Draft), circa 1836, in 3 Farrand 547; see also, e.g., William Ellery to Samuel Dick, Aug. 2, 1784, in 7 Letters of Members of the Continental Congress 579 (E. Burnett ed., 1934) (hereinafter Burnett's Letters) (predicting that Rhode Island would not agree to the national impost requested by the Congress in 1781 "until the States shall have agreed not to lay any duties upon goods imported into them from any one of their Sister States; perhaps not then") (emphasis added); William Samuel Johnson to Jonathan Sturges (draft), Jan. 26, 1785, in 8 Burnett's Letters 13 (noting that the Continental Congress was considering asking the States "to invest Congress with the Power of regulating their Trade as well with foreign Nations as with each other," a move which "might probably overturn the System [of "duties" on "imported" goods, see supra,at ] Conn[ecticu]t has adopt'd as relat[iv]e to N Y which it is said she will counteract by regulat[ion]s of her Assembly now convening") (emphasis in original).

In fact, the animosity engendered by the various duties levied on imports from other States was one of the motivating factors leading to the Annapolis Convention of 1786. See T. Powell, Vagaries and Varieties in Constitutional Interpretation 182 ("When the Framers spoke in 1787, the states were substantially sovereign, and their exercises of sovereign powers in adversely affecting trade from sister states was one of the factors leading to the Annapolis conference"). As noted by Tench Coxe, one of the Pennsylvania Commissioners appointed to attend the Convention, "Goods of the growth product and manufacture of the Other States in Union were [in several of the States] charged with high Duties upon importation into the enacting State — as great in many instances as those imposed on foreign Articles of the same Kinds." Coxe, Letter to the Virginia Commissioners at Annapolis, Sept. 13, 1786, reprinted in 9 The Papers of James Madison 125 (Rutland ed. 1975). Coxe thought the very purpose of the Annapolis Convention had been "[t]o procure an alteration" of this and other practices, which were, he added, "evidently opposed to the great principles and Spirit of the Union." Ibid.

Similarly, one of the first criticisms leveled against the Articles of Confederation during the ensuing Federal Convention was the general Government's inability to prevent "quarrels between states," including those arising from the various "duties" the States imposed upon each other, both on foreign goods moving through the seaport States and on each other's goods. See 1 Farrand 19, 25 (Edmund Randolph, May 29); see also Madison, Preface to Debates in the Convention of 1787 (draft), circa 1836, in 3 Farrand 547-548 ("Some of the States, as Connecticut, taxed imports as from Masstshigher than imports even from G. B. of w[hi]ch Massts. complained to Virga. and doubtless to other States").

While the focus of the Convention quickly moved beyond the mere abolition of trade barriers, of course, there are passages in the available Convention debates which indicate that interstate trade barriers remained a concern, and that the words of the Import Export Clause applied to interstate as well as to foreign trade. George Mason, for example, proposed to exempt from the Import Export Clause prohibition duties necessary for the States' execution of their inspection laws. Otherwise, he argued, the "restriction on the States would prevent the incidental duties necessary for the inspection & safe keeping of their produce, and be ruinous to the [Southern] Staple States." 2 Farrand 588 (Sept. 12). James Madison seconded the motion, and his comment that any feared abuse of the power to levy duties on exports for inspection purposes was perhaps best guarded against by "the right in the Genl. Government to regulate trade between State & State," id., at 588-589 (emphasis added), strongly suggests that exports to other States were within the Clause's reach. [n.15]

These references to duties on interstate imports and exports are bolstered by several more in the ratification debates. See, e.g., 2 J. Elliot, Debates on the Federal Constitution 57-58 (2d ed. 1891) (Dawes, Massachusetts ratifying convention) ("As to commerce, it is well known that the different states now pursue different systems ofduties in regard to each other. By this, and for want of general laws of prohibition through the Union, we have not secured even our own domestic traffic that passes from state to state") (original emphasis deleted). Indeed, one of the principal Anti Federalist complaints against the new Constitution was that States were prohibited from laying any duties or imposts on imports or exports, a prohibition that, in their view, left only direct taxation as a means for the States to support their own governments. See, e.g., Brutus 1, Oct. 18, 1787, in 13 The Documentary History of the Ratification of the Constitution 415 (J. Kaminsky & G. Saladino eds. 1981) (Doc. Hist.) ("No state can . . . lay any duties, or imposts, on imports, or exports . . . [T]he only mean therefore left, for any state to support its government and discharge its debts, is by direct taxation"). [n.16]This complaint overstates the case somewhat — States could still levy excises, and duties other than those on imports and exports. See, e.g., The Federalist No. 32, p. 151 (M. Beloff ed. 1987) (A. Hamilton) ("([W]ith the sole exception of duties on imports and exports)[, States] would, under the plan of the convention, retain [the] authority [to raise theirown revenues] in the most absolute and unqualified sense"). But it does suggest that the Anti Federalists, at least, viewed the Import Export Clause as prohibiting all other state taxes, including the duties then in place on goods imported from neighboring States. And moves in various States shortly after the Constitution's ratification to repeal the offending duties on interstate trade support the Anti Federalist view. Compare An Act repealing the Laws made for levying and collecting a Duty on Articles imported into this State, 1789 Conn. Acts and Laws 377 (Jan. 1789), with, e.g., An Act for levying and collecting Duties on the Importation of certain Articles, and for appropriating the same, 1784 Conn. Acts and Laws 309 (Oct. 1784) (providing for, inter alia, a duty of three pence "on each Pound of Sugar . . . whether the Produce or Manufacture of the United States, or not, imported into this State").

Justice Nelson, of course, pointed out in his Woodruff dissent that a lack of "security or protection" against "obstructions and interruptions of commerce among the States" was "one of the principal grievances that led to the Convention of 1787, and to the adoption of the Federal Constitution." Woodruff, 8 Wall., at 140-141. But he seems not to have had in his arsenal many of the historical materials cited above, which indicate that the words used in the Import Export Clause encompassed, at the time the Constitution was written, both interstate and foreign trade. [n.17]Indeed, the Woodruffmajority itself felt compelled to note that its "research [had] extended" only so far as permitted by "the discussions on this subject, as they have come down to us from that time." Id., at 136; see also id., at 134 (referring to the "imperfectly . . . preserved" discussions of the Continental Congress). Whatever the cause, the Woodruff Court's analysis of the historical usage of the words overlooked many contrary examples and is thus not especially compelling.

The second contention that the Woodruff Court used to bolster its textual argument was a policy concern based on an unnecessarily broad view of the Import Export Clause's prohibition. The Woodruff Court believed that the prohibition on "Duties or Imposts on Exports or Imports" exempted imported articles, and the merchants who traded in them, from state taxation of any kind, at least so long as they remained in their original packages. Id., at 137. This view of the Clause's prohibition would result in "the grossest injustice," said the Court, were the Clause to be read as applying to "articles brought from one State into another," for "[n]either the State nor the city which protects [the import merchant's] life and property [could] make him contribute a dollar to support its government." Ibid.

Woodruff's broad reading of the Clause's prohibition was explicitly adopted three years later in Low v. Austin, 13 Wall. 29 (1872), a case involving foreign imports. But we expressly overruled Low 20 years ago, in Michelin Tire Corp. v. Wages, 423 U.S. 276, 279 (1976), holding that the Import Export Clause "cannot be read to accord imported goods preferential treatment that permits escape from uniform taxes imposed withoutregard to foreign origin for services which the State supplies," id., at 287; cf. United States v. International Business Machines Corp., 517 U. S. ___, ___ (1996) (slip op., at 14-16) (distinguishing Art. I, 9, cl. 5 Export Clause, which bars the United States from imposing any tax on exports, from the Import Export Clause, which prohibits States from levying only duties and imposts). While Michelin and Low dealt with foreign imports, the expansive interpretation of the Import Export Clause's prohibition rejected by Michelin was the same interpretation that gave the Woodruff Court pause and that seems to have been an impetus to its refusal to read the Clause as applying to imports from other States. Thus, after Michelin, the second argument the Woodruff Court used to bolster its weak textual analysis — that it would be a gross injustice to prohibit States from levying any taxes on goods which were produced in other States — no longer has any force.

There is nothing else of consequence to support the Woodruff Court's holding. The only remaining argument made by the Woodruff majority was that it was "improbable" that the Convention would have permitted States to tax "imports" from other States merely with the assent of Congress, because the revenues that would acrue to Congress by granting such assent would prove too great a temptation for Congress to serve as a neutral arbiter regarding such taxes. Woodruff, supra, at 133. The Woodruff Court's speculation was without historical support, however, and pales in comparison to the substantial evidence described above regarding the meaning of the words in the Clause, see supra, at ". [n.18]

In short, there is little in the Woodruff opinion to sustain its holding, and its weakness is even more evident given the contrary precedent rejected by the Woodruff Court. In Brown v. Maryland, 12 Wheat. 419, 449 (1827), Chief Justice Marshall, writing for the Court, suggested: "[W]e suppose the principles laid down in this case [namely, that a State license tax on importers of foreign articles was invalid both under the Import Export Clause and the act of Congress which authorizes importation] to apply equally to importations from a sister State." And just eight years before Woodruff, Chief Justice Taney, writing for a unanimous Court, struck down a stamp tax on bills of lading for gold being shipped from California to New York, holding that "the State tax in question is a duty upon the export of gold and silver, and consequently repugnant to the [Import Export] clause in the Constitution." Almy v. California, 24 How. 169, 175 (1861) (emphasis added).

Chief Justice Marshall's statement in Brown was merely dicta, of course, but the Woodruff majority's rejection of the precedential force of Almy, based solely on its assertion that "[i]t seems to have escaped the attention of counsel on both sides, and of the Chief Justice who delivered the opinion, that the case was one of inter state commerce," 8 Wall., at 137, is harder to sustain. The Almy Court expressly noted that Mr. Almy was charged with failing to pay the stamp tax on a bill of lading for "a quantity of gold dust for transportationto New York" from San Francisco, 24 How., at 172, and the explicit "question presented by the case" was whether a State had a right "to tax such instruments when used in commerce among the States," Brief for Plaintiff in Error in Almy v. California, D. T. 1860, No. 23, pp. 1-2 (emphasis added); see also id., at 3 (referring to fact that the tax was on bills of lading "for exports to other States"). Woodruff's rejection of Brown and Almy — precedent which better reflected the historical record and common usage of the Clause's words — was thus highly questionable.

In sum, it would seem that Woodruff was, in all likelihood, wrongly decided. Of course, much of what the Import Export Clause appears to have been designed to protect against has since been addressed under the negative Commerce Clause. As the majority recognizes, discriminatory State taxation of interstate commerce is one of the core pieces of our negative Commerce Clause jurisprudence. Ante, at 16. Were it simply a matter of invalidating state laws under one clause of the Constitution rather than another, I might be inclined to leave well enough alone. Indeed, our rule that state taxes that discriminate against interstate commerce are virtually per se invalid under the negative Commerce Clause may well approximate the apparent prohibition of the Import Export Clause itself. But, as already described, without the proper textual roots, our negative Commerce Clause has gone far afield of its core — and we have yet to articulate either a coherent rationale for permitting the courts effectively to legislate in this field, or a workable test for assessing which state laws pass negative Commerce Clause muster. Precedent as unworkable as our negative Commerce Clause jurisprudence has become is simply not entitled to the weight of stare decisis. See Holder v. Hall, 512 U.S. 874, 936-937 (1994) (Thomas, J., concurring in judgment). And it is quite possible that, were we to revisit Woodruff, we might find that the Constitution already affords us a textual mechanism with which to address the more egregious of State actions discriminating against interstate commerce.

Were we thus to shed ourselves of our nontextual negative Commerce Clause and all the accompanying multi factor balancing tests we have employed, and instead merely apply what appears to me to be the relevant provision of the Constitution, this would seem to be a fairly straightforward case (although I reserve final judgment of the matter for a case when the Import Export Clause is specifically addressed by the parties). Unlike the Export Clause of Art. I, 9, which prohibits the Congress from levying any tax on exports, the Import Export Clause only prohibits States from levying "duties" and "imposts." See International Business Machines, 517 U. S., at ___ (slip op., at 14-15).

The Maine property tax at issue here is almost certainly not an impost, for, as 18th century usage of the word indicates, an impost was a tax levied on goods at the time of importation. See, e.g., The Observer No. XII, The Connecticut Courant and Weekly Intelligencer, Jan. 7, 1790, p. 1, col. 2 ("[I]mpost is a tax on merchandize, payable at the port of entry"); [n.19] N. Bailey, An Universal Etymological English Dictionary (26 ed. 1789) (defining "impost" as "a tax or tribute, but more especially such as is received by a prince or state, for goods brought into any haven from other nations"); [n.20] Michelin, supra, at 287 ("[I]mposts and duties . . . are essentially taxes on the commercial privilege of bringing goods into a country"). Because the tax at issue here is levied on real property — property that cannot possibly have been "imported" — the tax would not seem to fit within any of the commonly accepted definitions of "impost."

"Duty," however, though frequently used like "impost" to denote "money paid for custom of goods," An Universal Etymological English Dictionary, supra, does not appear to have been limited to taxes assessed at portside. See, e.g., S. Johnson, A Dictionary of the English Language (7th ed. 1785) ("Duty . . . Tax; impost; custom; toll. All the wines make their way through several duties and taxes, before they reach the port") (second emphasis added); 2 Elliot 331 (John Williams, New York ratifying convention) (noting that Congress' Art. I, 8 power "extend[s] to duties on all kinds of goods, to tonnage and poundage of vessels, to duties on written instruments, newspapers, almanacs, &c"). In fact, "imposts" seems to have been viewed as a particular subclass of duties; the fact that the two words are used disjunctively in the Import Export Clause suggests, therefore, that something broader than portside customs was within the constitutional prohibition.

Because of the somewhat ambiguous usage of thewords "duty" and "impost," Luther Martin inquired of their meaning during the Convention. James Wilson, a member of the Committee on Detail, replied as follows: "[D]uties are applicable to many objects to which the word imposts does not relate. The latter are appropriated to commerce; the former extend to a variety of objects, as stamp duties &c." 2 Farrand 305 (emphasis in original); see also 2 Storing 54 (Luther Martin, in Maryland Convention, describing same colloquy); The Fallacies of the Freeman Detected by a Farmer, Freeman's Journal, April 1788, in 3 Storing 186-187 ("Under the term duties [in Art. I, 8], every species of indirect taxes is included, but it especially means the power of levying money upon printed books, and written instruments"). What seems likely from these descriptions is that a duty, though broader than an impost, was still a tax on particular goods or written instruments.

It is important to note, moreover, that the Martin Wilson colloquy is in reference to the Art. I, 8 power given to Congress to levy duties. That power is broader than the prohibition on States found in Art. I, 10, which reaches not all duties, but only those on "imports or exports." [n.21]But even without this additional limitation, one kind of tax that duties almost certainly did not encompass were "direct" taxes, such as property taxes and poll taxes. See, e.g., The Federalist No. 12 (A. Hamilton) (distinguishing direct taxes, such as property taxes, from indirect taxes, such as imposts, duties, and excises); Freeman's Journal, in 3 Storing, supra, 186-187 ("Under the term duties [in Art. I, 8], every species of indirect taxes is included"); see also Michelin, 423 U. S., at 286, 290-291.

The tax at issue here is nothing more than a tax on real property. Such taxes were classified as "direct" taxes at the time of the Framing, and were not within the class of "indirect" taxes encompassed by the common understanding of the word "duties." The amount of the Maine tax is tied to the value of the real property on which it is imposed, not to any particular goods, and not even to the number of campers served. It does not appear, therefore, to be a "duty" on "imports" in any sense of the words. [n.22]Even when coupled with the tax

exemption for certain Maine charities (which is, in truth, no different than a subsidy paid out of the State's general revenues), Maine's property tax would not seem to be a "Duty or Impost on Imports or Exports" within the meaning of the Import Export Clause. Thus, were we to overrule Woodruff and apply the Import Export Clause to this case, I would in all likelihood sustain this tax under that Clause as well.


1 Although the terms "dormant" and "negative" have often been used interchangeably to describe our jurisprudence in this area, I believe "negative" is the more appropriate term. See Oklahoma Tax Comm'n v. Jefferson Lines, Inc., 514 U.S. 175, 200 (1995) (Scalia, J., joined by Thomas, J., concurring in judgment) ("[T]he `negative Commerce Clause'. . . is `negative' not only because it negates state regulation of commerce, but also because it does not appear in the Constitution"). There is, quite frankly, nothing "dormant" about our jurisprudence in this area. See Eule, Laying the Dormant Commerce Clause to Rest, 91 Yale L. J. 425, 425, n. 1 (1982).

2 See, e.g., C & A Carbone, Inc. v. Clarkstown, 511 U.S. 383, 401 (1994) (O'Connor, J., concurring in judgment) ("The scope of the dormant Commerce Clause is a judicial creation"); Quill Corp. v. North Dakota, 504 U.S. 298, 309 (1992) (Stevens, J., writing for a unanimous Court) (recognizing that the Commerce Clause "says nothing about the protection of interstate commerce in the absence of any action by Congress"); Wyoming v. Oklahoma, 502 U.S. 437, 461-462 (1992) (Scalia, J., joined by Rehnquist, C. J., and Thomas, J., dissenting) (describing the "negative Commerce Clause" as "nontextual"); Kassel v. Consolidated Freightways Corp. of Del., 450 U.S. 662, 706 (1981) (Rehnquist, J., dissenting) ("[T]he jurisprudence of the `negative side' of the Commerce Clause remains hopelessly confused "); cf. U. S. Term Limits, Inc. v. Thornton, 514 U.S. 779, 797, n. 12 (1995) (Stevens, J., joined by Kennedy, Souter, Ginsburg, and Breyer, JJ.) ("[T]he Constitution is clearly silent on the subject of state legislation that discriminates against interstate commerce").

3 See, e.g., Wardair Canada Inc. v. Florida Dept. of Revenue, 477 U.S. 1, 17 (1986) (Burger, C. J., concurring in part and concurring in judgment) (referring to "the cloudy waters of this Court's `dormant Commerce Clause' doctrine"); Philadelphia v. New Jersey, 437 U.S. 617, 623 (1978) (Stewart, J.) ("The bounds of [the restraints imposed by the Commerce Clause itself, in the absence of federal legislation], appear nowhere in the words of the Commerce Clause"); Northwestern States Portland Cement Co. v. Minnesota, 358 U.S. 450, 457, 458 (1959) (Clark, J.) (internal quotation marks omitted) (referring to our negative Commerce Clause jurisprudence as a "tangled underbrush" and a "quagmire"); H. P. Hood & Sons, Inc. v. Du Mond, 336 U.S. 525, 534-535 (1949) (Jackson, J.) (describing the negative Commerce Clauseas filling in one of the "great silences of the Constitution"); McCarroll v. Dixie Greyhound Lines, Inc., 309 U.S. 176, 189, (1940) (Black, J., joined by Frankfurter and Douglas, JJ., dissenting) (criticizing the negative Commerce Clause as arising out of "[s]pasmodic and unrelated instances of litigation [that] cannot afford an adequate basis for the creation of integrated national rules" that "Congress alone" is positioned to develop).

4 Scholarly commentary, too, has been critical of our negative Commerce Clause jurisprudence. See D. Currie, The Constitution in the Supreme Court: The First Hundred Years 1789-1888, p. 234 (1985) (describing the negative Commerce Clause as "arbitrary, conclusory, and irreconcilable with the constitutional text"); see also, e.g., L. Tribe, American Constitutional Law 439 (2d ed. 1988) ("The Supreme Court's approach to commerce clause issues . . . often appears to turn more on ad hoc reactions to particular cases than on any consistent application of coherent principles"); Redish & Nugent, "The Dormant Commerce Clause and the Constitutional Balance of Federalism," 1987 Duke L. J. 569, 573 ("[N]ot only is there no textual basis [for it], the dormant Commerce Clause actually contradicts, and therefore directly undermines, the Constitution's carefully established textual structure for allocating power between federal and state sovereigns"); B. Gavit, The Commerce Clause of the United States Constitution 22 (1932) (noting that the Court has set "no conscious standard" but has rather, "in an imperial way," decided whether each particular state action presented to it "was or was not an invalid regulation of interstate commerce").

5 See also Mayor of New York v. Miln, 11 Pet. 102, 157-159 (1837) (Story, J., dissenting); Groves v. Slaughter, 15 Pet. 449, 504, 506-508 (1841) (McLean, J., concurring); Cooley v. Board of Wardens of Port of Philadelphia ex rel. Soc. for Relief of Distressed Pilots, 12 How. 299 (1852) (adopting a partial exclusivity rationale for dormant Commerce Clause cases).

6 See also F. Frankfurter, The Commerce Clause Under Marshall, Taney and Waite 13 (1937) ("The conception that the mere grant of the commerce power to Congress dislodged state power finds no expression" in the records of the Philadelphia Convention nor the discussions preceding ratification); id., at 17-19 (noting that Chief Justice Marshall's discussion of the "exclusiveness" doctrine in Gibbons v. Ogden, 9 Wheat. 1, 197-209 (1824), "was logically irrelevant to [his] holding," and adding that "[i]t was an audacious doctrine, which, one may be sure, would hardly have been publicly avowed in support of the adoption of the Constitution. Indeed, The Federalist in effect denied it, by assuring that only express prohibitions in the Constitution limited the taxing power of the states" (citing The Federalist No. 32)).

7 The majority's assertion that James Madison viewed what we have termed the "negative" aspect of the Commerce Clause as more significant than its positive aspects, see ante, at 6, n. 7, is based on a letter written by Madison more than 40 years after the Convention, see 3 The Records of the Federal Convention of 1787, p. 478 (M. Farrand ed. 1911) (hereinafter Farrand) (reprinting letter from James Madison to J. C. Cabell, Feb. 13, 1829). The majority's interpretation of the letter is anachronistic. There is nothing in the letter to suggest that Madison had in mind the "negative" Commerce Clause we have created which supposedly operates of its own force to allow courts to invalidate state laws that effect commerce. Rather, Madison's reference to the Clause as granting a "power" strongly suggests that he was merely asserting that the Convention designed the Clause more to enable "the General Government," namely, Congress, to negate state laws impeding commerce "rather than as a power to be used for the positivepurposes of the General Government." Ibid.

8 See also ante, at 6 ("Congress unquestionably has the power to repudiate or substantially modify th[e] course of [our negative Commerce Clause] adjudication"); Southern Pacific Co. v. Arizona ex rel. Sullivan, 325 U.S. 761, 769 (1945) (Congress has "undoubted" power to "permit the states to regulate the commerce in a manner which would otherwise not be permissible").

9 See also, Atherton v. FDIC, 519 U. S. ___, ___ (1997) (slip op., at 4) (rejecting the "judicial `creation' of a special federal rule of decision" and noting that " `[w]hether latent federal power should be exercised to displace state law is primarily a decision for Congress,' not the federal courts") (citation omitted); O'Melveny & Myers v. FDIC, 512 U.S. 79, 83 (1994) (rejecting, as "so plainly wrong," the contention that federal common law governs application of state causes of action brought by the FDIC as receiver for a federally insured savings and loan); Milwaukee, 451 U. S., at 314 and 313, n. 7 ("Federal common law is a `necessary' expedi ent" resorted to only when the Court is "compelled to consider federal questions `which cannot be answered from federal statutesalone' ") (citation omitted).

10 See also Gazette of the State of Georgia, Oct. 11, 1787, p. 3, col. 3 ("Just imported . . . Superfine Philadelphia flour"); Newport [R. I.] Mercury, June 12, 1784, p. 4, col. 2 ("Just imported . . . Burlington [New Jersey] and Carolina, Pork, in Barrels"); ibid. ("Just imported. . . best Philadelphia Flour"); The South Carolina Weekly Gazette, Sept. 13, 1783, p. 3, col. 2 ("Just imported, In the Sloop Rosana, . . .from Rhode Island, . . . Potatoes, Apples, Onions by the bunch and bushel, Beats, Carrots, and good warranted Cheese"); Columbian Herald [Charleston, S. C.], Nov. 26, 1787, p. 4, col. 4 ("Just imported, From Philadelphia, . . . Dr. Martin's Celebrated Medicine for Cancers, Ulcers, Wens, Scurvies, Tetters, Ringworms, &c."); Newport Mercury, July 31, 1786, p. 2, col. 2 (complaining that "last year upwards of 700,000 bushels of corn were imported into [South Carolina] from North Carolina and Virginia"); Columbian Herald, Feb. 14, 1785, p. 2,col. 4 (complaint about legislation pending in Georgia — lateradopted — taxing "all goods imported into the back part of that state from South Carolina").

11 Some commentators have argued that the phrase, "imported or brought," suggests that Connecticut lawmakers intended to distinguish between foreign goods "imported" and other States' goods "brought" into the State. This supposed distinction between "import ed" and "brought" is not consistent with the remainder of the statute, however. For example, the second paragraph of the Act uses the phrase "brought or imported into this State" when referring exclusively to items "that are not the Growth, Produce, or Manufacture of the United States." 1784 Conn. Acts and Laws 271. And conversely, "imported" is used alone in contexts where it plainly covers goodsproduced in other States. See, e.g., id., at 309 (setting duty for sugar, "whether the Produce or Manufacture of the United States, or not, imported into this State"); cf. 1786 Md. Laws, ch. 17, 6 (setting standards for "all beef and pork barrels brought to, or imported into, Baltimore town, from any part of this state"). The more plausible view, therefore, is that the words "brought" and "imported" are largely redundant and, to the extent they refer to different activities, the distinction in the phrase is not between foreign goods "imported" into Connecticut, on the one hand, and other States' goods "brought" into Connecticut, on the other, but between goods of both kinds — domestic and foreign — commercially "imported" in quantity and those "brought" in limited quantities by individuals in their own baggage. Compare

1784 Conn. Acts and Laws, at 272 (using the phrase "imported or brought" when referring both to a ship's cargo and to the "Baggage of Passengers"), with id., at 273 (using only the word "imported" when referring solely to the ship's cargo).

12 Even assuming that the word "impost" in the two Clauses applied to the same class of "imports," there is nothing nonsensical in reading "impost" in Art. I, 8 as applicable to interstate as well as foreigntrade. It is frequently the case that a broad grant of power in one Clause is restricted by another Clause. Moreover, a State could also import goods from a federal territory, and the congressional power to lay an impost on such (non foreign) trade would not run afoul of the Art. I, 9 prohibition.

13 Article VI, 3 merely provided that "No State shall lay any imposts or duties, which may interfere with any stipulations in treaties, entered into by the United States in Congress assembled." 1 Stat. 5. And Article IX provided: "The United States, in Congress assembled, shall have the sole and exclusive right and power of . . . entering into treaties and alliances, provided that no treaty of commerce shall be made, whereby the legislative power of the respective States shall be restrained from imposing such imposts and duties on foreigners, as their own people are subjected to, or from prohibiting the exportation or importation of any species of goods or commodities whatsoever. . . ." 1 Stat. 6. As should be evident, neither Article requires a reading of "impost" as applicable exclusively to foreign imports. The better reading is that when the States levied imposts in their individual capacities, they could not interfere with treaties enacted by the States in their collective capacity. In fact, the two provisions, read together, suggest the existence of much broader classes of "imposts," "imports," and "exports," and that only the sub class of imposts interfering with foreign trade might be prohibited. The absence of this very qualifier in the later enacted Import Export Clause creates a negative inference that the unqualified constitutional language covered more than did the limited prohibition in the Articles ofConfederation.

14 Indeed, some New Englanders apparently believed that the Virginia duty on New England cheese, see supra, at , was contrary to Article IV's provision that "no imposition, duties or restriction, shall be laid by any State, on the property of the United States, or either of them." 1 Stat. 4. See The Salem [Mass.] Mercury, Mar. 3, 1787. The general view of the Clause, however, and certainly the view of the several States that imposed duties on interstate trade, see supra, at ", was that it applied only to goods actually owned by the States, not to goods grown or manufactured within them. See The Salem [Mass.] Mercury, Mar. 3, 1787 ("[T]he proper construction of that part of the Articles of Confederation is, that no state in the union shall lay a tax on publick property imported therein — for, be it remembered,Congress were, at the time the Confederation was formed, exporters of almost every necessary for carrying on the war, & the clause alluded to was intended to prevent any individual state from laying a duty on those necessary supplies"); see also 12 Hening, Virginia Statutes at Large, ch. 40, 3, pp. 304-305 (Oct. 1786) (distinguishing between articles "which are the property of the United States, or either ofthem," and articles "which shall be proved to be of the growth, produce or manufacture of the State from which they shall be imported").

15 Furthermore, in response to concerns that the inspection exemption might be used merely as a pretext for taxing neighboring States, see 2 Farrand 589, Mason's proposal was further amended to make any such State inspection laws "subject to the revision and controul of Congress." Id., at 607, 624. The need for, and existence of, this further limitation on the States' authority to tax imports and exports suggests that the Commerce Clause power itself, referred to by Madison, would not operate to limit the States of its own accord. Seesupra, at , n. .

16 See also John Quincy Adams to William Cranch, Oct. 14, 1787, in 14 Doc. Hist. 222 ("How will it be possible for each particular State to pay its debts, when the power of laying imposts or duties, on imports or exports, shall be taken from them — By direct taxes, it may besaid"); George Lee Turberville to James Madison, Dec. 11, 1787, in id., at 407 ("Why shou'd the states be prevented from raising a Revenue by Duties or Taxes — on their own Exports? Are the states not bound down to direct Taxation for the support of their police & government?"); A Federal Republican, A Review of the Constitution Proposed by the Late Convention, Oct. 28, 1787, in 3 The Complete Anti Federalist 79 (H. Storing ed. 1981) (hereinfafter Storing) ("The [Import Export Clause] is reducing [the States] to the necessity of laying direct taxes"); Vox Populi, Massachusetts Gazette, Oct. Nov. 1787, in 4 Storing 47 ("Must we be confined to a dry tax on polls andestates . . . ?").

17 Farrand did not publish his volumes until 1911 (although the Woodruff Court did have available to it Madison's notes, as well as the more perfunctory convention journal); Burnetts' Letters were published between 1921 and 1936; the Journals of the Continental Congress were published between 1904 and 1937; volume 9 of The Papers of James Madison, in which Tench Coxe's letter was first reprinted, was not published until 1975; and a useful, readily accessible collec tion of the various Anti Federalist writings was not available until1981. This is not to say that the original documents reprinted inthese volumes would not have been available to the Woodruff Court. But our ready access to, as well as our appreciation of, such documents has increased over time.

18 Indeed, were I similarly to speculate, I would not find it "improbable" that the Convention would have trusted Congress to serve as a referee between individual states. Since many states would necessarily be harmed by a single state's impost, the institutional checks wouldin all likelihood be sufficient to counter any revenue "temptation" Congress might have faced, especially given the extensive revenue authority granted directly to Congress in Art. I, 8, cl. 1. My "speculation" is at least consistent with the recorded Convention debates. Roger Sherman proposed the requirement that any revenues raised by congressionally approved state imposts go into the federal treasury not as a separate means of raising national revenues, but to insure that the states not use a protectionist impost as a pretext for raising revenues from other states. See 2 Farrand 441-442 (Aug. 28).

19 See also Providence Gazette and Country Journal, Feb. 13, 1790,p. 1, col. 1 (reprinting same); Gazette of the United States, Jan. 9, 1790, p. 2, col. 1 (same).

20 See also T. Sheridan, A Complete Dictionary of the English Language (6th ed. 1796) ("Impost . . . A tax; a toll; custom paid"); S. Johnson, A Dictionary of the English Language (7th ed. 1785) ("Impost. A tax; a toll; a custom paid. Taxes and imposts upon merchantsdo seldom good to the king's revenue; for that that he wins in the hundred, he loseth in the shire. Bacon's Essays"); Barclay's Universal English Dictionary 471 (B. Woodward rev. 1782) ("Impost. A toll; custom paid for goods or merchandise"); T. Blount, A Law Dictionary (1670) ("Impost Tribute, Tallage, or Custom; but more particularly it is that Tax which the King receives for such merchandises as are imported into any Haven, from other Nations. . . . And it may be distinguished from Custom, which is rather that profit which the King raises from Wares exported; but they are sometimes confounded"); cf. 7 Oxford English Dictionary 733 (2d ed. 1989) ("impost . . . A tax, duty, imposition, tribute; spec. a customs duty levied on merchandise. Now chiefly Hist").

21 See, e.g., DeWitt, Letter To the Free Citizens of the Commonwealth of Massachusetts, American Herald, Boston, Oct. Dec. 1787, in 4 Storing 23 (noting that Congress "shall have the exclusive power of imposts and the duties on imports and exports, [and, implicitly, a concurrent] power of laying excises and other duties") (emphasis added); Letters from The Federal Farmer, Oct. 10, 1787, in 2 Storing 239 (distinguishing between "impost duties, which are laid on imported goods [and] may usually be collected in a few seaport towns," and "internal taxes, [such] as poll and land taxes, excises, duties on all written instruments, etc. [which] may fix themselves on every person and species of property in the community"); Essays of Brutus, Dec. 13, 1787 in 2 Storing 392-393 (same); see also 2 Farrand 589 (noting that Morris "did not consider the dollar per Hhd laid on Tobo. in Virga. as a duty on exportation, as no drawback would be allowed on Tobo.taken out of the Warehouse for internal consumption").

22 Even were I to agree with the majority that a particular property tax may be a property tax in name only, see ante, at 9-10, and even were I to assume that travel across state lines to consume services in another State renders those traveling consumers "imports," it is difficult to characterize the tax at issue here as a duty on imports. It is, rather, as the majority recognizes, a "generally applicable state property tax." Ante, at 1. Maine's grant of an exemption from the tax to some charitable organizations that dispense their charity primarily to Maine residents makes the tax something less than universal, but it does not make the tax, even in practical effect, one that is levied exclusively, or even primarily, on imports. See, e.g., New Energy Co. of Ind. v. Limbach, 486 U.S. 269 (1988); Maryland v. Louisiana, 451 U.S. 725, 756 (1981); License Cases, 5 How. 504, 576 (1847); cf. Davis v. Michigan Dept. of Treasury, 489 U.S. 803, 821 (1989) (Stevens, J., dissenting) (arguing, in an analogous context, that "the fact that a State may elect to grant a preference, or an exemption, to a small percentage of its residents does not make the tax discriminatory").

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