The State of Kansas imposes a tax, subject to enumerated exceptions, on the distribution of motor fuel to retailers within the State. Kan. Stat. Ann. § 79-3408(a) (1999 Supp.). The distributor, rather than the retailer, is responsible for remitting the tax. Id. § 79-3408(c). When the Kansas Department of Revenue announced its intention to begin collecting tax on motor fuel distributions to retail gasoline stations on Indian lands within the State, three federally-recognized Indian Tribes, the Sac and Fox Nation of Missouri; the Iowa Tribe of Kansas and Nebraska; and the Kickapoo Tribe of Indians of the Kiekapoo Reservation in Kansas (the Tribes), filed suit in federal district court to enjoin the State from collecting its tax on fuel distributed to the Tribes’ retail stations. The principal issue before us is whether the State of Kansas may impose its motor fuel tax as currently designed on fuel distributed to these retail stations on Indian lands within the State.
I.
The facts underlying this case are not in dispute. The Tribes are the beneficial owners of trust lands within the State of Kansas. The United States holds legal title to the lands in trust for the benefit of the Tribes. Each of the Tribes own and operate retail gasoline stations on these lands. The stations are located along or near Kansas state highways. Prior to May 1995, the Kansas Department of Revenue took the position that the motor fuel tax law as written did not permit the State to tax motor fuel distributed on Indian lands. After the Kansas legislature amended the Kansas Motor Fuel Tax Act in 1995, see Kan. Stat. Ann. §§ 79-3401 to 79-3464Í (1997), however, the department reversed its position and this litigation ensued.
In their complaint, the Tribes sought declaratory and injunctive relief against the State based upon both federal and state law. The Tribes invoked the district court’s jurisdiction under U.S. Const, art. I, § 8, cl. 3 and 28 U.S.C. §§ 1331, 1362, 1367. The Tribes claimed that (1) federal law preempted the motor fuel tax law as *570 applied to the Tribes, (2) the motor fuel tax law as properly construed did not apply to fuel distributed to the Tribes, and (3) imposing the motor fuel tax on the Tribes would irreparably harm their economic viability.
The district court issued both a temporary restraining order,
Sac and Fox Nation v. LaFaver,
Addressing a myriad of legal issues, the district court first held the Tribes had standing to pursue their claims against the State.
Id.
at 1302. Turning to the merits, the court held that (1) tax compacts between the Tribes and State did not prohibit the State from imposing its fuel tax on fuel distributed to the Tribes,
id.
at 1302-03, (2) the fuel tax exemption for fuel sold or delivered to the United States and its agencies, Kan. Stat. Ann. § 79-3408(d)(2) (1999 Supp.), did not encompass the Tribes,
Sac and Fox Nation,
The statute [Kan. Stat. Ann. § 79-3408(d)(1) (1999 Supp.) ] exempts any fuel transactions where the fuel is exported “to any other state or territory or to any foreign country.” From this reading, the court can only conclude that the intent of the Kansas legislature was to exempt any transaction where the fuel was to be sold outside the boundaries of the State of Kansas. As the Act for Admission of Kansas into the Union [Ch. XX, § 1, 12 Stat. 126 (1861) ] ... clearly excludefs] the Indian reservations from the boundaries of the State of Kansas, it is only reasonable that § 79-3408(d)(1) provides for an exemption to the transactions involved in this case where fuel is sold to tribal retailers on the recognized reservations.
Sac and Fox Nation,
As an alternative basis for issuing a permanent injunction against the State, the court relied on
Oklahoma Tax Comm’n v. Chickasaw Nation,
II.
As a preliminary matter, we address the district court’s power to adjudicate this case on the merits. The State contends the district court had no jurisdiction over this controversy because (1) the
*571
doctrine of sovereign immunity bars the Tribes’ suit, and (2) the Tribes’ have no standing to maintain their suit. The district court’s determination of subject matter jurisdiction is a question of law which we review de novo.
Rosette Inc. v. United States,
A.
In the district court, the Tribes alleged jurisdiction under U.S. Const, art. I, § 8, cl. 3 and 28 U.S.C. § 1362, as well as under the general federal question and supplemental jurisdiction statutes, 28 U.S.C. §§ 1331, 1367. The Tribes rely on Article I’s Indian Commerce Clause which gives Congress the power “[t]o regulate Commerce ... with the Indian Tribes.” Meanwhile, § 1362 is a specific grant of jurisdiction to the district court in matters involving Indian tribes: “The district courts shall have original jurisdiction of all civil actions, brought by any Indian tribe ... wherein the matter in controversy arises under the Constitution, law, or treaties of the United States.” The State asserts that neither of these provisions is sufficient to overcome the State’s sovereign immunity under the Eleventh Amendment, U.S. Const, amend. XI.
The Eleventh Amendment, as construed by the Supreme Court, generally proscribes federal jurisdiction over suits against nonconsenting states unless Congress has abrogated the states’ sovereign immunity in a clear and unequivocal manner pursuant to a valid exercise of its power.
Seminole Tribe of Fla. v. Florida,
In
Moe,
the Court upheld an Indian tribe’s right to seek injunctive relief from state taxation in federal court.
Moe
involved, among other things, an attack on Montana’s cigarette sales tax as applied to cigarette sales to both Indians and non-Indians on Indian lands. Before reaching the merits, the Court addressed the district court’s jurisdiction to entertain the tribe’s suit against a Montana sheriff responsible for enforcing the tax.
Moe,
Looking to the legislative history of § 1362 ... we find an indication of congressional purpose to open the federal courts to the kind of claims that could have been brought by the United States as trustee, but for whatever reason were not so brought. Section 1362 is characterized by the reporting House Judicial Committee as providing “the means whereby the tribes are assured of the same judicial determination whether the action is brought in their behalf by the Government or by their own attorneys.” [H.R.Rep. No.2040, 89th Cong., 2d Sess., 2-3 (1966), U.S. Code Cong. & Admin. News at 3145, 3146-47], While this is hardly an unequivocal statement of intent to allow such litigation to proceed irrespective of other explicit jurisdictional limitations, such as § 1341, it would appear that Congress contemplated that a tribe’s access to federal court to litigate a matter arising “under the Constitution, laws, or treaties” would be at least in some respects as broad as that of the United States suing as the tribe’s trustee.
Id.
at 472-73,
In
Moe,
the Court concluded that because § 1341 would not bar the United States from seeking to enjoin enforcement of the state tax law on the tribe’s behalf, the tribe itself could maintain its suit against the state.
Moe,
Moe leads us to conclude that we have jurisdiction under 28 U.S.C. § 1362 to reach the merits of this case. Surely if an Indian tribe may maintain suit on its own behalf in federal court to enjoin collection of a state’s cigarette sales tax, it may maintain a similar suit on its own behalf to enjoin collection of a state’s motor fuel distribution tax. Neither the Tax Injunction Act nor the Eleventh Amendment bars the Tribes’ suit in this case. Undoubtedly after Seminole Tribe, the Eleventh Amendment generally bars an Indian tribe’s suit in federal court against a state where the tribe’s claim rests solely on Article I’s Indian Commerce Clause. As the Supreme Court stated in both Blatchford and Moe, however, an Indian tribe’s suit for injunctive relief against state taxation occurring on trust lands is another matter. Blatchford expressly recognized what Moe necessarily inferred from § 1362. Blatchford explained that in Moe, the Court found in § 1362-
an implication that a tribe’s access to federal court to litigate federal-question eases would be at least in some respects as broad as that of the United States suing as the tribe’s trustee. The “respect” at issue in Moe was access to federal court for the purpose of obtaining injunctive relief from state taxation.
Blatchford,
B.
We next turn to the question of the Tribes’ standing to maintain their suit against the State. The State argues that because the district court determined the legal incidence of the motor fuel tax fell on the distributors rather than on the tribal retailers,
Sac and Fox Nation,
The standing inquiry requires us to consider “both constitutional limitations on federal-court jurisdiction and prudential limitations on its exercise.”
Warth v. Seldin,
Additionally, the Supreme Court has identified three prudential standing principles. First, a plaintiff generally must assert its own rights, rather than those belonging to third parties.
Warth,
We have little difficulty concluding that the Tribes in this case have constitutional standing to maintain their suit against the State. First, the Tribes have alleged particularized imminent economic injury if the State imposes its motor fuel tax on fuel distributed to the Tribes’ retail stations. The Tribes’ uncontroverted affidavits, albeit conclusory, support their allegations of injury.
See Warth,
We likewise conclude that prudential standing principles do not bar our exercise of jurisdiction in this case. Certainly the Tribes assert their own rights under both federal and state law to be free from the cost of the motor fuel tax, though any decision in their favor undoubtedly will benefit their distributors and consumers as well. Thus, we do not agree with the State’s argument that because the district court determined the legal incidence of the motor fuel tax falls upon the distributors rather than the retailers, see id. § 79-3408(c) (expressly stating that the incidence of the motor fuel tax is on the distributor), the Tribes’ claims amount to little more than a “generalized grievance” shared by all retailers to whom the distributors pass the cost of the tax.
In resolving challenges to state taxation affecting tribal businesses on Indian lands, the Supreme Court has addressed the legal incidence of a tax as a question intertwined with the merits of the case.
E.g., California State Bd. of Equalization v. Chemehuevi Indian Tribe,
Finally, the alleged economic interests of the Tribes in this case are arguably within the zone of interests which federal law seeks to protect. Consistent with the long standing recognition of Indian tribes as “domestic dependent nations,”
Cherokee Nation v. Georgia,
III.
A.
At the outset, the State argues that Congress, through passage of the Hayden-Cartwright Act, 4 U.S.C. § 104, has consented to the state’s taxing power in this instance. According to the State, § 104 cedes taxing jurisdiction to the states on motor fuel distributed on Indian lands. Section 104(a) provides in relevant part:
All taxes levied by any State ... upon, with respect to, or measured by, sales, purchases, storage, or use of gasoline or other motor vehicle fuels may be levied, in the same manner and to the same extent, with respect to such fuels when sold by or through post exchanges, ship stores, ship service stores, commissaries, filling stations, licensed traders, and other similar agencies, located on United States military or other reservations, when such fuels are not for the exclusive use of the United States. Such taxes, so levied, shall be paid to the proper taxing authorities of the State ... within whose borders the reservation affected may be located.
Id.
§ 104(a). The State construes the phrase “located on United States military or other reservations” as including Indian lands.
See State v. Keeley,
A federal appeals court generally will not consider an issue raised but not argued in the district court.
Rademacher v. Colorado Assoc. of Soil Conserv. Dist. Medical Benefit Plan,
In this case, the State raised the § 104(a) defense in its answer to the
*576
Tribes’ complaint, both which were fled in 1995. Never again did the State raise the issue with the district court although it had ample opportunity to do so by way of both its motion to dismiss and its motion for summary judgment, as well as its subsequent motions to reconsider.
See Lazzara v. Howard A. Esser, Inc.,
B.
The district court relied on a combination of federal and state law to justify its issuance of a permanent injunction against the State. First, the court concluded that under the Act for Admission of Kansas into the Union, Ch. XX, § 1, 12 Stat. 126 (1861), Indian lands were not within the boundaries of the State of Kansas. The Act, the court reasoned, “make[s] it very clear ... that the Indian reservations are not to be considered part of the State of Kansas in any way.”
Sac and Fox Nation,
The 1861 Act for Admission of Kansas into the Union provides-
[N]othing contained in the said constitution respecting the boundary of said State shall be construed ... to include any territory which, by treaty with such Indian tribe, is not, without the consent of said tribe, to be included within the territorial limits or jurisdiction of any State or Territory; but all such territory shall be excepted out of the boundaries, and constitute no part of the State of Kansas.
12 Stat. 127 (emphasis added).
7
To our knowledge, the only federal decision construing the applicable provision of the 1861 Act is
United States v. Ward,
We agree with Justice Miller’s able construction of the 1861 Act for it is consistent with the Act’s plain language. The Act for Admission excludes from the boundaries of the State of Kansas only those lands which Indian tribes reserved unto themselves “by treaty” with the United States. The Tribes fail to identify any language in any of the treaties provided us which we might construe as excluding their lands from the boundaries of the State. See Aplt’s App. at 176-200. The Tribes argue, however, that the question is not whether the Indian lands at issue in this case are independent territories separate from the State for all purposes. Instead, they contend “[t]he question is whether Indian country is excluded from the legal territory of Kansas for purposes of motor fuel taxation.” Aples’ Br. at 26 (emphasis in original).
In a decision apparently overlooked by both the State and the Tribes, the Kansas Supreme Court resolved this very question in
Kaul v. State Dept. of Revenue,
C.
As an alternative basis for issuing a permanent injunction against the State, the district court applied the balancing of interests test endorsed in
Chickasaw Nation,
[W]hen a State attempts to levy a tax directly on an Indian tribe or its members inside Indian country, rather than on non-Indians, we have employed, in *578 stead of a balancing inquiry, “a more categorical approach: Absent cession of jurisdiction or other federal statutes permitting it, we have held a State is without power to tax reservation lands and reservation Indians.”
Chickasaw Nation,
1.
For our purposes, the question of where the legal incidence of the Kansas motor fuel tax rests is one of federal law. See
United States v. Mississippi Tax Comm’n,
According to the Supreme Court, the legal incidence of a tax does not always fall upon the entity legally liable for payment of the tax.
Mississippi Tax Comm’n,
The Kansas Motor Fuel Tax Act provides that “[a] tax per gallon or fraction thereof, at a rate computed as prescribed ... is hereby imposed on the use, sale or delivery of all motor vehicle fuels ... which are used, sold or delivered in this state for any purpose whatsoever.” Kan. Stat. Ann. § 79-3408(a) (1999 Supp.). Section 79-3408c appears to place a fuel tax upon both licensed distributors and retailers: “A tax is hereby imposed on the use, sale or delivery of all motor vehicle fuel ... by any licensed distributor or licensed retailer....” Id § 79-3408c(a). Notably, however, subsection (c) of § 79-3408c excludes the Tribes from the retail tax: “The provisions of this section shall not apply to any licensed retailer who is native American whose licensed place of business or businesses are located on such retailer’s reservation nor to any native American tribes having licensed places of business or businesses located on such tribe’s reservation.” Id. § 79-3408c(c). Perhaps most importantly, subsection 79-3408(b) provides that “the incidence of this [motor fuel] tax is imposed on the distributor of the first receipt of the motor fuel and such taxes shall be paid but once.” Id. § 79-3408(b).
Despite their lack of legal liability for payment of the motor fuel tax, the Tribes argue the legal incidence of the tax falls upon them because the distributors simply pass on the cost of the tax to the Tribes in the wholesale price. To be sure, the motor fuel tax law presumes distributors will include the cost of the tax in their wholesale price to the Tribes. Section 79-3409 provides: “Every distributor paying such tax or being liable for the payment shall be entitled to charge and collect an amount, including the cost of doing business that could include such tax on motor vehicle-fuels ... sold or delivered by such distributor, as a part of the selling price.” Id. § 79-3409 (emphasis added). But § 79-3409 also presumes that retailers will pass the cost of the tax along to their consumers: “When the price of motor vehicle fuels or special fuels ... posted on a price sign does not include the state and federal tax which such retail dealer’s distributor paid or for which the distributor was liable, the total of the taxes must be shown in numbers the same size as the price of the motor fuel.” Id.
Significantly, the law’s pass-through provision about which the Tribes complain is permissive rather than mandatory.
Compare Kern-Limerick,
Even if it were true that the economic burden of the tax falls on the Tribe because the wholesalers simply incorporate the tax into the wholesale cost, this would not be determinative of the question of the legal incidence of the tax. Just as a nondiscriminatory tax imposed on a private entity that does business with the United States and that passes the cost of that tax on to the United States does not violate federal sovereign immunity, so a nondiscriminatory tax imposed on non-exempt private entities that do business with Indian tribes and that pass the cost of those taxes on to the tribes does not violate tribal sovereign immunity.
Chickasaw Nation v. Oklahoma Tax Comm’n,
The Tribes ask us to substitute economic assumptions for the language of the Kansas statutes. But “[t]he question of who bears the ultimate economic burden of the tax is distinct from the question of on whom the tax has been imposed.”
Id.
at 972. “[F]ocus on a tax’s legal incidence accommodates the reality that tax administration requires predictability.”
Chickasaw Nation,
Certainly, if the fuel tax law required distributors to include the amount of the fuel tax in their wholesale price, we would be justified in concluding that the legal incidence of the tax falls upon the Tribes.
See Chickasaw Nation,
2.
In the alternative, the Tribes argue that even if the legal incidence of Kansas’ motor fuel tax falls upon the distributors, the Indian Trader Statutes, 25 U.S.C. §§ 261-264, constitute a comprehensive federal statutory scheme which preempts the State’s fuel tax law.
See Chickasaw Nation,
Consistent with its power under the Indian Commerce Clause, U.S. Const, art. I, § 8, cl. 3, Congress enacted the Indian Trader Statutes “to prevent fraud and other abuses by persons trading with Indians.”
Milhelm Attea,
The Commissioner of Indian Affairs shall have the sole power and authority to appoint traders to the Indian tribes and to make such rules and regulations as he may deem just and proper specifying the kind and quantity of goods and the prices at which such goods shall be sold to the Indians.
In
Warren Trading Post v, Arizona Tax Comm’n,
The roads at issue have been built, maintained, and policed exclusively by the Federal Government, the Tribe, and its contractors. We do not believe that [the State’s] generalized interest in raising revenue is in this context sufficient to permit its proposed intrusion into the federal regulatory scheme with respect to the harvesting and sale of tribal timber.
Id.
at 150,
More recently, in
Milhelm Attea,
the Court narrowed its interpretation of the
*582
trader statutes. In that case, the Court upheld a state regulatory scheme that imposed recordkeeping requirements and quantity limitations on cigarette wholesalers who sold untaxed cigarettes to reservation Indians. The Court relied on its decisions in
Moe,
Our en banc decision in
O’Cheskey,
An indirect burden obviously is initially on the one for whom the services are performed-thus on the Tribe or the Government. However, it is equally apparent that this indirect burden is again passed on to the users of the resort and again by them. The tax becomes dispersed. There is no way of telling where the ultimate economic burden falls. This is the reason why the initial incidence of the tax must be the determinative factor. It is the only significant matter for our consideration.
O’Cheskey,
Unlike
Warren Trading
and its progeny, the Kansas motor fuel tax law does not impose a tax upon retail traders for trading with Indians.
Milhelm Attea,
3.
The district court concluded that the balance of tribal and state interests weighed in favor of the Tribes because (1) the State “would clearly not suffer a great deal of harm if it were enjoined from collecting the tax” on fuel distributed to-the tribal retailers, but (2) if imposed, the tax “will have a real and direct impact on the tribes’ incomes.”
Sac and Fox Nation,
The Tribes’ primary argument in this case is economic. See Aples’ App. at 20-49 (affidavits of tribal members). The Tribes assert that the motor fuel tax jeopardizes their retail fuel sales and other revenues generated by those sales at their convenience stores located on tribal lands which support essential tribal services to their members. Both the Sac and Fox and Kickapoo Tribes also impose a tribal tax on their retail sale of fuel, generating still further revenues. According to the Tribes, if the State is allowed to tax the Tribes’ fuel distributors, the wholesale cost of fuel to the Tribes will necessarily increase and the revenues from their retail stores will correspondingly decrease, interfering with their sovereign right to self-government.
This is largely the same argument the Supreme Court addressed and rejected in
Colville,
If the State is permitted to impose its taxes, the Tribes will no longer enjoy any competitive advantage vis-a-vis businesses in surrounding areas. Indeed, because the Tribes themselves impose a tax on the transaction, if the state tax is also collected the price charged will necessarily be higher and the Tribes will be placed at a competitive disadvantage as compared to businesses elsewhere. Tribal smokeshops will lose a large percentage of their cigarette sales and the Tribes will forfeit substantial revenues. Because of this economic impact, it is argued, the state taxes are (1) pre-empt-ed by federal statutes regulating Indian affairs; (2) inconsistent with the principle of tribal self-government; and (3) invalid under negative implications of the Indian Commerce Clause.
Id.
at 154,
*584 It is painfully apparent that the value marketed by the smokeshops to persons coming from outside is not generated on the reservations by activities in which the tribes have a significant interest. What the smokeshops offer these customers, and what is not available elsewhere, is solely an exemption from state taxation. The Tribes assert the power to create such exemptions by imposing their own taxes or otherwise earning revenues by participating in the reservation enterprises. If this assertion were accepted, the Tribes could impose a nominal tax and open chains of discount stores at reservations borders, selling goods of all descriptions at deep discounts and drawing customers from surrounding areas. We do not believe that principles of federal Indian law, whether stated in terms of pre-emption, tribal self-government, or otherwise, authorize Indian tribes thus to market an exemption from state taxation to persons who would normally do their business elsewhere.
Id.
at 155,
We are well aware that the tax at issue in
Colville
was a sales tax imposed down stream on purchases made by non-tribal consumers only. Because the legal incidence of the tax in
Colville
fell on the purchaser, the state had no power to tax tribal members making purchases on the reservation.
See Chickasaw Nation,
We acknowledge that Kansas’ motor fuel tax law as presently applied
might
sweep too broadly. In other words, if a substantial portion of the Tribes’ retail fuel sales are to tribal' members, the Tribes’ argument that the indirect burden of the fuel tax improperly interferes with their internal affairs would not be without force. Based on the record before us, however, we are unable to discern what portion of tribal fuel sales are to tribal members as opposed to consumers traveling from outside Indian land.
14
Compare Colville,
While we are not unsympathetic to the Tribes’ quandary, the Supreme Court has
*585
never “gone so far as to grant tribal enterprises selling goods to- nonmembers an artificial competitive advantage over all other businesses.”
Colville,
To be sure, the Tribes have an interest in raising revenues to support essential tribal services to benefit their members. “That interest is strongest when the revenues are derived from value generated on the reservation by activities involving the Tribes and when the taxpayer is the recipient of tribal services.”
Id.
at 156-57,
Like the tribe’s cigarette sales in
Col-ville,
in this case the revenues resulting from the Tribes’ retail fuel sales to non-Indian consumers traveling from outside Indian lands is not derived from value “generated on the reservations by activities in which the Tribes have a significant interest.”
Id.
at 155,
*586 Accordingly, the judgment of the district court is REVERSED and this cause REMANDED for further proceedings consistent with this opinion.
Notes
. On appeal, the Tribes do not challenge the district court’s conclusions that (1) their tax compacts with the State of Kansas have expired and are no longer of any legal force, and (2) the fuel tax exemption for fuel sold or delivered to the United States and its agencies does not encompass Indian tribes.
. The Tax Injunction Act provides that federal "district courts shall not enjoin, suspend or *572 restrain the assessment, levy or collection of any tax under State law where a plain, speedy and efficient remedy may be had in the courts of such state.” 28 U.S.C. § 1341.
. The district court relied on the legal fiction established in
Ex Parte Young,
. In
Warth,
. In
Rice v. Rehner,
Congressional authority and the semi-independent position of Indian tribes are two independent but related barriers to the assertion of state regulatory authority over tribal reservations and members. Although the right of tribal self-government is ultimately dependent on and subject to the broad power of Congress, we still employ the tradition of Indian sovereignty as a *575 backdrop against which the applicable treaties and federal statutes must be read in our pre-emption analysis.
(internal quotations, citations, brackets and elipses omitted). Of course, in addition to treaties and statutes, stare decisis requires us to look to Supreme Court and Tenth Circuit decisions to define the limits of state jurisdiction in matters of taxation affecting Indian tribes.
. The Stale’s sole reference to § 104 in the district court read as follows:
If this court determines that the incidence of motor fuel tax under Kansas law is at the retail level and such incidence is determined by this court to fall on plaintiffs, the defendant affirmatively asserts that he is authorized by federal law, 4 U.S.C. § 104, to impose Kansas motor fuel tax on plaintiffs.
Aplt’s App. at 97 (emphasis added). Presumably because the district court held the legal incidence of the motor fuel tax fell on the distributors rather than on the Tribes, the State felt no need to press its “conditional” § 104 defense.
. The Organic Act of 1854, Ch. LIX, § 19, 10 Stat. 284, which established the Territory of Kansas, contains nearly identical language. We need not consider in detail the Organic Act because our construction of the Act for Admission controls our construction of the Organic Act.
See United States v. Ward,
. The State makes no counterclaim against the Tribes for taxes past due under the Kansas Motor Fuel Tax Act, nor could it because the legal incidence, and thus liability for payment of the tax, falls on the distributors. Even if the legal incidence of the lax fell on the Tribes, no such action would lie because the doctrine of sovereign immunity bars the State from seeking recourse against the Tribes.
See Oklahoma Tax Comm’n v. Citizen Band Pota-watomi Indian Tribe,
. In
Chickasaw Nation,
we held that the legal incidence of an Oklahoma motor fuel tax fell on the tribal retailers because the governing statutes indicated that the distributors remitted the fuel tax "on behalf of” licensed retailers.
. In Department of Taxation and Finance of New York v. Milhelm Attea & Bros., Inc., the Court explained:
Resolution of conflicts of this kind [a challenge to state regulations allegedly preempted by the trader statutes] does not depend on rigid rules or on mechanical or absolute conceptions of state or tribal sovereignty, but instead on a particularized inquiry into the nature of the state, federal, and tribal interests at stake, an inquiry designed to determine whether, in the specific context, the exercise of state authority would violate federal law.
. As a preliminary matter, we note that the actual Indian traders subject to the motor fuel tax,
i.e.,
the wholesale fuel distributors, are not parties to this suit. Thus, the question of their joinder necessarily arises,
see
Fed. R.Civ.P. 19, and we address it sua sponte. While it might have been preferable to join the distributors as parties in the district court (at least for purposes of adjudicating the question of the traders statutes' applicability), neither the State nor the Tribes ever raised that possibility over the course of four years of district court litigation. Nor did the distributors, who surely are apprised of this litigation, seek to intervene. While the distributors appear to be necessary parties under Rule 19(a), they technically are not indispensable parties under Rule 19(b) because their joinder appears feasible, that is to say the distributors may be joined without destroying our subject matter jurisdiction over this cause.
See Provident Tradesmens Bank v. Patterson,
Nevertheless, at this late date we are unwilling to require the distributors’ joinder because pragmatic considerations dictate otherwise.
See id.
at 106-107,
. In
Oklahoma Tax Comm’n v. Citizen Band Potawatomi Indian Tribe,
[UJnder today's decision, States may of course collect the sales tax from cigarette wholesalers, either by seizing unstamped cigarettes off the reservation, Colville, supra, at 161-162,100 S.Ct. 2069 , or by assessing wholesalers who supplied unstamped cigarettes to the tribal stores, City Vending of Muskogee, Inc. v. Oklahoma Tax Comm’n,898 F.2d 122 (C.A.10 1990).
Citizen Band,
. A prior version of the motor fuel tax law exempted from the tax-
The sale or delivery of motor-vehicle fuel ... to the United States of America and such of its agencies as are not or hereafter exempt by law from liability to state taxation, except that this exemption shall not be allowed if the sale or delivery of motor-vehicle fuel ... is to a retail dealer located on an Indian reservation in the state and such motor-vehicle fuel ... is sold or delivered to a nonmember of such reservation.
Kan. Stat. Ann. § 79-3408g(d)(2) (1997) (repealed).
. In his affidavit, Corbin Shuckahosse, Chairperson of the Sac and Fox Nation, states:
[T]he pricing of the [Tribe’s] fuel draws customers into the Trad’N Post, as the sale of other miscellaneous items at the Trad’N Post ... is also attributable to the fuel sales. Without the draw of the lost-cost fuel, customers would no longer bring their business to the Trad’N Post, and the additional revenue would be lost to the Nation.
Aples’ App. at 21. Similarly, Nancy Bear, Chairperson of the Kickapoo tribe, attests-
[T]he sale of [fuel and oil] products draws customers and creates business that also generates the sale of other miscellaneous items.... Without the draw of the sale of fuel at a competitive price, customers would no longer bring their business to the Kickapoo Tribe Trading Post and the additional revenues from the trading post would be lost to the Tribe.
Id. at 25.
. The express purpose of the motor fuel tax appears to benefit all who . use the public highways in the State of Kansas-wholesalers who deliver the fuel over state highways, retailers whose businesses are located on or near state highways, and consumers who drive on state highways:
Purpose of tax. The tax imposed by this act is levied for the purpose of producing revenue to be used by the state of Kansas tp defray in whole, or in part, the cost of constructing, widening, purchasing of right-of-way, reconstructing, maintaining, 'surfacing, resurfacing and repairing the public highways ... and for no other purpose whatever.
Kan. Stat. Ann. § 79-3402 (1999 Supp.).
. Because the district court considered only the enforceability of the Kansas motor fuel tax on its face, we do not address the question of whether the lax, even if it survives
Chickasaw
Nation's balancing test generally, is invalid insofar as it is applied to fuel sold by the Tribes to customers who are tribal members and reservation residents.
See Moe,
