csx transportation alabama department revenue et argued november decided february petitioner csx interstate rail carrier operates pays taxes alabama state imposes sales use taxes railroads purchase consume diesel fuel exempts main competitors interstate motor water carriers csx sued respondents alabama department revenue commissioner alabama claiming tax scheme discriminates railroads violation railroad revitalization regulatory reform act act act bars four forms discriminatory taxation three delineated prohibitions deal property taxes fourth provision forbids state mpose another tax discriminates rail carrier district dismissed csx suit cognizable act basis decision department revenue acf industries eleventh circuit affirmed held csx may challenge alabama sales use taxes pp csx challenging another tax within subsection plain meaning act define tax thus looks word ordinary definition expansive state seeking raise revenue may choose among multiple forms taxation property income transactions activities nother tax thus best understood encompass tax state might impose asset transaction except property taxes already addressed subsections reason interpret subsection applying taxes imposed lieu property taxes time act passage moreover csx complaint contrary eleventh circuit apparent view protest alabama imposition taxes fuel exemptions state given may play central role csx argument complaint essential subject remains taxes imposed key question thus becomes whether tax might said discriminate railroad subsection state granted exemptions tax entities railroad competitors statute define discriminates looks term ordinary meaning fail treat persons equally reasonable distinction found favored favored charge one group taxpayers rate another group rate groups relevant respects discriminate latter discrimination continues favored group rate goes exemption say tax discriminate adopt definition odds word natural meaning repeatedly recognized tax schemes exemptions may discriminatory see davis michigan department treasury even department revenue acf industries eleventh circuit heavily relied dismissing csx suit made clear tax exemptions variant tax discrimination addition statute prohibition discrimination applies regardless whether favored entities interstate local distinctions drawn statute interstate local actors alabama suggests railroads actors whether interstate local pp acf industries require different result held railroads contest property tax exemptions subsection reasoning illogical permit challenge subsections provisions specifically addressing property taxes permitted grant property tax exemptions reading subvert statutory plan contravene canon construction statute interpreted render one part inoperative contrary alabama argument structural analysis apply subsections specifically allow property tax exemptions neither provision act speaks exemptions like issue congress expressed intent allo grant exemptions reading subsection encompass poses danger nullify ing congressional policy choice otherwise subverting statutory plan alabama efforts borrow acf industries analysis similarly fail also unavailing alabama argument even acf industries reasoning limited property tax exemptions holding must extend tax exemptions order prevent inconsistent anomalous results treatment property taxes pp fed appx reversed remanded kagan delivered opinion roberts scalia kennedy breyer alito sotomayor joined thomas filed dissenting opinion ginsburg joined csx transportation petitioner alabama department revenue et al writ certiorari appeals eleventh circuit february justice kagan delivered opinion railroad revitalization regulatory reform act restricts ability state local governments levy discriminatory taxes rail carriers consider whether railroad may invoke statute challenge sales use taxes apply rail carriers among others exempt competitors transportation industry conclude railroad may congress enacted railroad revitalization regulatory reform act act act restore financial stability railway system among purposes stat help achieve goal congress targeted state local taxation schemes discriminate rail carriers burlington northern oklahoma tax provision act issue codified bars localities engaging four forms discriminatory taxation stat section describes prohibited practices begins three provisions addressed specifically property taxes concludes provision concerning taxes according subdivisions may assess rail transportation property value higher ratio true market value rail transportation property ratio assessed value commercial industrial property assessment jurisdiction true market value commercial industrial property levy collect tax assessment may made paragraph subsection levy collect ad valorem property tax rail transportation property tax rate exceeds tax rate applicable commercial industrial property assessment jurisdiction impose another tax discriminates rail carrier following subsection confers jurisdiction federal courts prevent violation notwithstanding tax injunction act ordinarily prohibits federal courts enjoining collection state taxes remedy available state petitioner csx transportation csx interstate rail carrier operates alabama pays taxes alabama imposes sales tax gross receipts retail businesses code cum supp use tax storage use consumption tangible personal property railroads pay taxes purchase consume diesel fuel railroads main competitors interstate motor water carriers generally exempt paying sales use taxes fuel although fuel motor carriers subject separate excise tax alleging alabama tax scheme discriminates railroads violation act csx sued respondents alabama department revenue commissioner alabama state federal district particular csx complained state impose sales use taxes railroads purchase consumption diesel fuel exempting motor water carriers taxes app complaint district dismissed csx suit cognizable act appeals eleventh circuit affirmed brief per curiam decision fed appx eleventh circuit rested earlier decision norfolk southern alabama dept revenue involved nearly identical challenge application alabama sales use taxes norfolk southern eleventh circuit rejected plaintiff railroad challenge principally reliance decision department revenue acf industries case held railroad invoke challenge generally applicable property tax basis certain property exempt tax eleventh circuit recognized case involved sales use taxes property taxes statutory scheme separately addresses norfolk southern concluded however difference immaterial accordingly held railroad object alabama sales use taxes simply state provides exemptions csx petitioned writ certiorari arguing eleventh circuit misunderstood acf industries noting split authority concerning whether railroads may bring challenge taxes competitors granted certiorari reverse ii begin case statutory interpretation language statute hardt reliance standard life ins slip section provides state may mpose another tax discriminates rail carrier csx wishes bring action provision rail carriers motor water carriers must pay alabama sales use taxes diesel fuel determine whether suit may go forward must therefore answer two questions csx challenging another tax within meaning statute might tax discriminate rail carriers exempting competitors excise tax like alabama sales use tax another tax subsection act define tax statute otherwise place matters within exclude matters term ambit circumstances look word ordinary definition asgrow seed winterboer note taxpayers long since discovered meaning tax expansive state governmental entity seeking raise revenue may choose among multiple forms taxation property income transactions activities nother tax used subsection best understood refer precisely encompass form tax state might impose asset transaction except taxes property previously addressed subsections see burlington northern superior subsection includes income tax tax use tax occupation tax whatever phrase another tax particular see reason interpret subsection applying taxes known lieu taxes imposed instead property taxes time act passage see brief respondents brief state washington et al amici curiae argument favor construction relies house report concerning bill described subsection prohibiting imposition lieu tax conference report final bill abandoned house report narrowing language described subsection written prohibiting without limitation imposition tax results discriminatory treatment railroad conf pp accord statutory language real crux matter subsection speaks clearly broadly legislative report misdescribing provision succeed altering agree eleventh circuit apparent view csx challenge another tax complaint relies exemptions state given see norfolk southern language section prohibits discriminatory discriminatory tax exemption brief american trucking amicus curiae complaint protests alabama imposition taxes fuel csx uses complaint requests alabama cease collect taxes csx app exemptions doubt play central role csx argument demonstrate csx view state sales use taxes discriminate railroads see essential subject complaint remains taxes alabama levies csx key question thus becomes whether tax might said discriminate railroad subsection state granted exemptions tax entities railroad competitors statute define discriminates look ordinary meaning word see supra discrimination failure treat persons equally reasonable distinction found favored favored black law dictionary ed accord ed see also webster third new international dictionary discriminates means make difference treatment favor class categorical basis disregard individual merit charge one group taxpayers rate another group rate groups relevant respects discriminate latter discrimination continues indeed increases state takes favored group rate exemption see west lynn creamery healy scalia concurring judgment noting tax favored persons different principle discriminatory tax imposing higher liability disfavored persons say tax exemption discriminate assuming groups similarly situated justification difference treatment adopt definition term odds natural meaning line understanding decisions repeatedly recognized tax schemes exemptions may discriminatory davis michigan dept treasury example reviewed state income tax provision exempted retirement benefits given state paid federal government held tax discriminate federal employees serves protect employees discriminatory state taxation similarly dormant commerce clause cases often held tax exemptions given local businesses discriminate interstate actors see bacchus imports dias holding state excise tax alcohol discriminate interstate businesses exemptions granted local producers camps town harrison invalidating discriminatory state property tax exempted organizations operating benefit residents organizations aimed nonresidents even decision acf industries eleventh circuit relied dismissing csx suit made clear tax exemptions variant tax discrimination act limit prohibited discrimination state tax schemes unjustifiably exempt local actors opposed interstate entities alabama argues result claiming designed protect interstate carriers discrimination local businesses brief respondents text tells different story consistent act purpose restoring financial stability railroads interstate carriers generally supra subsection provisions proscribes taxes specially burden rail carrier property otherwise discriminate rail carrier single provision act including references subsections commercial industrial property distinguishes local taxpayers receive favorable tax treatment distinctions drawn interstate local actors state contends rather railroads actors whether interstate local accordingly state excise tax applies railroads exempts interstate competitors subject challenge subsection tax discriminates rail carrier iii plain language subsection alabama offers two arguments based decision acf industries first claim eleventh circuit accepted rests reasoning adopted acf industries concluded railroads challenge property tax exemptions subsection alabama asserts analysis applies excise tax exemptions second contention focuses alleged problems emerge application rule acf industries govern tax exemptions view even acf industries reasoning irrelevant cases involving excise taxes holding must extend cases prevent inconsistent anomalous results reject arguments stand foursquare behind decision acf industries extend way state wishes acf industries considered whether railroad sue state subsection taxing railroad property exempting certain commercial property held railroad noted language subsection viewed isolation read allow challenge reasoned structure required opposite result eleventh circuit considered acf industries determinative question norfolk southern alabama agrees brief respondents think misread decision began analysis acf industries explaining railroads challenge property tax exemptions subsections provisions specifically addressing property taxes noted earlier subsections prohibit state imposing higher property tax rates assessment ratios rail transportation property commercial industrial property statute defines commercial industrial property including property subject property tax levy interpreted phrase mean property taxed rather property potentially taxable result determined exempt property fell outside category commercial industrial property taxation railroad property measured ibid conclusion followed subsections permitted impose property taxes railroads exempting entities ibid stated still another conclusion followed subsection prohibition discrimination likewise encompass property tax exemptions viewed holding matter simple deduction illogical conclude congress allowed grant property tax exemptions subsections turn around nullify choice subsection ibid stated otherwise eading subsection prohibit parts statute designed allow subvert statutory plan contravene canon construction statute interpreted render one part inoperative structure thus compelled conclusion property tax exemptions even variant tax discrimination fell outside subsection reach structural analysis core acf industries bearing question subsections specifically address allow property tax exemptions neither subsections provision act speaks tax exemptions like issue case congress expressed intent allo grant exemptions ibid reading subsection written encompass tax exemptions therefore poses danger nullify ing congressional policy choice otherwise subvert ing statutory plan contrary giving subsection something ordinary meaning absent structural reason contravene expressed congress implicitly acknowledging acf industries central theory irrelevant alabama focuses decision called ther considerations reinforc ing structural analysis notably alabama underscores following sentence acf industries given prevalence property tax exemptions congress enacted act silence subject light explicit prohibition tax rate assessment ratio discrimination reflects determination permit leave exemptions place alabama asserts statement holds true sales use taxes brief respondents claim rings hollow sure acf industries noted congress declined speak degree particularity permissibility property tax exemptions even though often granted thought fact relevant congress spoken particularity proscribing forms discriminatory property taxes sentence alabama highlights makes reasoning clear congress silence practice granting property tax exemptions reflected acquiescence practice light explicit prohibition subsections property tax rate assessment ratio discrimination emphasis added explicit prohibition existed consisted subsection broad ban tax discrimination gleaned congressional silence purpose provision like subsection avoid necessity listing matter kind tax discrimination falling within respect taxes like alabama sales use taxes subsection analysis acf industries apply rested subsections highly reticulated scheme act relating solely property taxes alabama also emphasizes statement acf industries rinciples supported holding brief respondents quoting final effort borrow decision analysis similarly fails indeed recognized acf industries act limits traditional taxing power expressed hesitan ce extend statute beyond evident scope reasons already noted extend ing statute merely giving effect clear meaning reiterate act distinguishes property taxes taxes congress expressed intent insulate property tax exemptions challenge background acf industries stated permitting suits intrude rightful authority contrast congress drafted enable railroads contest tax exemptions congress speaks preemptive terms decision must govern principles federalism narrow clear scope see csx georgia state bd equalization rejecting idea federalism principles preclude challenges state valuation methodologies clearly authorized actions nothing acf industries suggested otherwise alabama additionally makes subtler argument involving acf industries given decision alabama contends ruling csx favor create troubling inconsistencies alabama claims subsection singular prohibition discriminat ion mean one thing property taxes according acf industries another taxes even though nothing statute supports morphing definitions brief respondents still worse difference meaning difference result ruling csx alabama argues give railroads protection taxes property taxes even though good reason exists distinction alabama argument collapses rests misunderstanding acf industries decision define discriminat say tax exemption fall within term quite contrary noted earlier acf industries frankly acknowledged tax exemptions including property tax exemptions variant tax discrimination supra held property tax exemptions immune challenge subsection structural rather linguistic reasons even assuming exemptions discriminate way specific provisions allow accordingly prohibition include reasoning apply subsections permit indeed way address tax exemptions therefore adopt new definition discriminate case context act word always one meaning remains alabama complaint ruling csx favor combined decision acf industries result divergent treatment property taxes times alabama dresses objection latin contends canon ejusdem generis limits general terms follow specific ones matters similar specified gooch role play interpreting particularly alabama contends canon supports reading every limitation contained including exclusion tax exemptions class state actions subject challenge see brief respondents interpretive move alabama rightly notes ensure equal treatment property tax tax exemptions think ejusdem generis relevant initial matter subsection lthough something catchall general collective term following list specific items particular statutory command applicable rods nets hooks bobbers sinkers equipment aguilar scalia concurring part dissenting part rather subsection one several distinct independent prohibitions ibid related structural point functional one typically use ejusdem generis ensure general word render specific words meaningless circuit city stores adams see singer sutherland statutes statutory construction ed concern absent reading subsection cover tax exemptions deprive subsections effect subsections addressed property taxes canon meaning literally kind application provisions directed toward dissimilar subject matter better version alabama claim reads entirely english simply distinguishing property tax exemptions tax exemptions makes whit sense much inclined disagree neither csx amicus curiae offered satisfying reason congress drew line barred challenges based property tax exemptions turned around allow challenges based say excise tax exemptions see tr oral arg csx example presented evidence different tax exemptions posed different levels threat railroads financial stability even congress good reason distinguishing property tax exemptions acknowledge eludes us admission take us far alabama direction even act ambiguous doubt interpret subsection replicate facet subsections treating property tax exemptions tax exemptions equivalently might make sense alabama argues might allowing railroads challenge taxes property contain exemptions noted earlier tax exemptions obvious form tax discrimination see supra hardly congress prohibit state charging railroad tax competitor tax allow state charge railroad tax competitor nothing latter situation frustrate purposes act even former acf industries accepted anomaly terms structure act demanded say favor result bizarre congress intended internal quotation marks omitted glowing recommendation see reason today view matter differently accordingly even assuming statutory ambiguity permitted us hesitate extend distinction tax exemptions differential tax rates order avoid distinction property taxes seem poor trade statutory anomalies event importantly choice make congress wrote statute wrote statute draws sharp line property taxes taxes congress drafted exclude tax exemptions sphere prohibited property tax discrimination drafted broadly without prior subsections limitations proscribe tax es discriminat including use exemptions congressional election settles case alabama preference symmetry trump asymmetrical statute preference greatest possible latitude levy taxes trump congress decision restrict discriminatory taxation rail carriers iv decision case limited hold csx may challenge alabama sales use taxes tax es discriminat rail carrier address whether csx prevail challenge whether alabama taxes fact discriminate railroads exempting interstate motor water carriers alabama argues support barring csx challenge outset inquiry discrimination may pose difficulties brief respondents deny assertion neither respond precluding csx claim discrimination cases sometimes raise knotty questions whether dissimilar treatment adequately justified context act hard calls arise charge different tax rates different entities practice statute specifically subjects challenge see difficult issues emerge provide certain entities tax exemptions either case congress directed federal courts review railroad challenge either case flout congressional command declare matter beyond us reasons stated reverse judgment eleventh circuit remand case proceedings consistent opinion ordered csx transportation petitioner alabama department revenue et al writ certiorari appeals eleventh circuit february justice thomas justice ginsburg joins dissenting agree alabama sales use taxes another tax within meaning scheme tax exemptions capable making tax discriminatory ante general matter therefore agree alabama sales use taxes potentially violate subsection exemptions discriminate rail carrier majority holding stops see ante go hold violate tax exemption scheme must target single railroads comparison general commercial industrial taxpayers although parts majority discussion appear question standard see ante limited holding foreclose csx prove facts satisfy standard case affirm view another tax discriminates rail carrier means tax tax exemption scheme targets singles railroads compared commercial industrial taxpayers reading settles ambiguity word discriminates reference rest statute gives subsection reach consistent problem statute addressed discriminates standing alone flexible word compare clackamas gastroenterology associates wells statutory purpose americans disabilities act ridding nation evil discrimination davis bandemer plurality opinion nconstitutional discrimination occurs electoral system arranged manner consistently degrade voter group voters influence haulers solid waste management authority context simply means differential treatment economic interests benefits former burdens latter internal quotation marks omitted even though discriminate general legal meaning relating differential treatment precise contours still depend context see guardians assn civil serv new york city opinion white language title vi face ambiguous word inherently regents univ cal bakke opinion powell concept susceptible varying interpretations word discriminates subsection ambiguous appropriate comparison class burlington northern commissioner revenue discriminatory tax must discriminatory compared someone else also ambiguous type difference required violate statute distinction singling something therefore use context resolve meaning word used subsection see robinson shell oil statutory interpretation focuses language specific context language used broader context statute whole precisely department revenue acf industries similarly faced question meaning subsection case structural analysis central interpretation subsection structure straightforward subsections instruct may assess railroad property higher ratio true market value commercial industrial property collect taxes based inflated assessments set property tax rates railroad property higher applicable commercial industrial property assessment jurisdiction subsection forbids mpos ing another tax discriminates rail carrier look subsections determine meaning discriminates many lower courts correctly recognized subsection residual clause naturally appurtenant subsections moreover phrase another tax discriminates subsection suggests previous subsections describe taxes discriminate manner similar forbidden subsection see washington state dept social health servs guardianship estate keffeler reading phrase legal process restrictively general words follow specific words statutory enumeration general words construed embrace objects similar nature objects enumerated preceding specific words internal quotation marks brackets omitted subsections prohibit particular types state taxes target single railroad property less favorable tax treatment commercial industrial property first discriminat ion addressed subsections described taxes target single railroad property subsections specifically concern taxes affect railroad property differently way affect larger class comparative taxpayers property see cf ante ach subsection provisions proscribes taxes specially burden rail carrier property otherwise discriminate rail carrier emphasis deleted second subsection refers comparison class commercial industrial property think follows subsection tax discriminates rail carrier similarly targets railroads tax treatment less favorable commercial industrial taxpayers found acf industries structure statute provides light navigate meaning subsection background also supports understanding subsection previous cases identified problem made subsection necessary time railroad revitalization regulatory reform act act enacted clear railroads easy prey state local tax assessors nonvoting often nonresident targets local taxation easily remove locality acf industries supra quoting western air lines board equalization quoting turn temptation excessively tax nonvoting nonresident businesses made federal legislation area necessary western air lines supra see also burlington northern oklahoma tax noting fter extended period congressional investigation congress concluded least million quoting words responded primarily text describes property taxes soaked railroads obvious rationale supporting subsections way prevent tax discrimination railroads tie tax fate fate large local group taxpayers kansas city southern mcnamara see also atchison arizona way subsections establish political check taxation railroads impose excessive property taxes nonvoting nonresident railroads without imposing taxes generally voting resident local businesses absent indication subsection residual clause different aim reasonable conclude shares one subsections see kansas city southern supra congress included subsection ensure shift new forms tax discrimination outside letter first three subsections burlington northern superior subsection designed prevent state accomplishing forbidden end discriminating railroads substituting another type tax subsection understood tackle issue systemic railroad way subsections linking taxation railroads taxation businesses local political influence thus tax discriminates rail carrier tax targets singles rail carriers compared commercial industrial taxpayers test csx complaint properly dismissed csx alleged alabama sales use taxes target railroads compared general commercial industrial taxpayers see acf industries leaving open case railroads either alone part isolated targeted group commercial entities subject tax norfolk southern alabama dept revenue csx alleges paid tax fuel certain rail competitors pay concedes must sales use taxes generally applicable pet cert see code cum supp imposing four percent sales tax every person firm corporation selling retail tangible personal property whatsoever see also norfolk southern supra tr oral arg discrete exemptions certain railroad competitors namely fuel exemptions interstate motor carriers interstate ships barges make generally applicable tax discriminat ory subsection widespread exemptions theoretically cause facially general tax target railroads limited exemptions issue suggest csx argued accordingly csx stated cognizable claim discrimination ii settle ambiguity word discriminates subsection leaving open appropriate comparison class type differential treatment required constitute majority hold enables railroad challenge excise tax discriminatory basis tax scheme exemptions ante thus majority says state excise tax applies railroads exempts interstate competitors subject challenge subsection ante must mean tax exemption scheme potentially violate subsection understand majority decide whether csx stated claim even case instead leaves issue remand accordingly remain free argue lower courts hold complaints like csx dismissed failing state discriminat ion claim allege railroads targeted singled compared commercial industrial taxpayers generally nonetheless despite majority assertion inappropriate address whether alabama tax scheme actually discriminates within meaning ante parts opinion suggest answer question believe incorrect relying second definition black law dictionary majority defines discriminates treat persons equally reasonable distinction found favored favored ante definition discriminate combined majority insistence distinctions drawn railroads actors whether interstate local suggests comparison class ante majority ultimately implies another tax discriminates rail carrier tax draws distinction rail carrier anyone else without sufficient justification see ante whether railroad prevail depends whether state offers sufficient justification declining provide exemption issue rail carriers read subsection independently perhaps majority asserts subsection ideal candidate ejusdem generis ante given ambiguity subsection best guides understanding proper scope something recognized acf industries reasonable discern meaning discriminates subsection using preceding subsections pluck dictionary definition term detaching subsection rest section expand meaning well beyond scope problem necessitated instead simply eliminating particular vulnerability railroads tying tax fate general commercial industrial taxpayers railroads receive surprising windfall taxpayer status convert subsection shield sword implication majority opinion every person business state alabama paid annual tax one person exempt csx sue subsection require state either exempt csx also offe sufficient justification distinction see ante although majority denies provide railroads status see acknowledges justify tax distinction railroads argue may disfavor bulwark requiring give railroads every tax exemption anyone else gets judicial determinations sufficient justification distinctions ibid unsurprisingly statute provides guidance sufficient justification might mean neither majority sorts reasons might lead state distinguish railroads others tax purposes see tr oral arg instance case alabama points motor carriers interstate water carriers pay separate frequently higher tax fuel railroads effectively exempt brief respondents might sufficient justification exemptions taxes majority expressly disclaims reaching question ante course logically extending meaning discriminates subsections avoid problem need justification tax either targets railroads comparison commercial industrial taxpayers disagree meaning discriminat subsection majority seems imply rest provides logical coherent way determine subsection means used methodology see acf industries best way read subsection prohibiting taxes target single railroads compared general commercial industrial taxpayers test establish understand majority foreclose lower courts utilizing test csx challenge alabama sales use taxes properly dismissed accordingly respectfully dissent footnotes provision originally codified congress recodified supp ii slightly altered language without substantive change stat congress recodified section without substantive change time opinion refers statute current text first sentence subsection provides notwithstanding section title district jurisdiction prevent violation subsection section next sentence concerns relief available violations relief may granted subsection ratio assessed value true market value rail transportation property exceeds least percent ratio assessed value true market value commercial industrial property assessment jurisdiction state law provides motor carriers need pay sales use taxes diesel fuel long pay different excise tax per gallon code primary tax per gallon cum supp additional tax per gallon state law wholly exempts interstate water carriers sales use taxes diesel fuel water carriers pay tax fuel purchase consume brief respondents compare norfolk southern alabama dept revenue atchison arizona rejecting railroad challenge use tax exempted motor carriers burlington lohman entertaining challenge sales use tax exempted rail carriers competitors burlington commissioner revenue atchison bair iowa consider questions relating whether csx bring claim discrimination based state pattern tax exemptions consider issues concerning whether exemptions actually discriminate csx see infra alabama raised two issues first alabama contends deciding csx claim federal must consider specific taxes challenged also broader tax scheme brief respondents second state argues must compare taxation csx merely direct competitors commercial entities well dissenting opinion devoted supporting state argument second question leave issues relating whether alabama actually discriminated csx trial remand address wishes case previously considered questions parties briefs sketchily addressed addition parties dispute whether alabama waived claim second issue initially agreeing comparison class consists motor carriers water carriers app pet cert internal quotation marks omitted proceeding litigation basis think question waiver also best considered trial originally enacted provision prohibited imposition tax discriminates railroad substitution another tax occurred congress first recodified act line congress statement revisions made time construed substantive effect see supra treat two terms synonymous alabama also invokes remedial provision subsection supra urge read effectively limited property lieu taxes according alabama provision entitles federal courts grant relief overvalue railroad property subsections federal courts state avers power enjoin granting tax exemptions violation subsection apparently remedy violation subsection brief respondents interpretation subsection remedial provision right nullify subsection matter subsection well understand subsection remedial provision neither limiting broad grant jurisdiction federal courts prevent violations subsection otherwise restricting scope subsection remedial provision simply limits availability relief state discriminates assessing value railroad property proscribed subsections kind discrimination issue conclusion alabama dissent contend turn railroads entitled exemption tax break state gives another entity see brief respondents post opinion thomas hold enables railroad challenge excise tax discriminatory basis tax scheme exemptions dissent apparently agrees post whether railroad prevail whether prove alleged discrimination depends whether state offers sufficient justification declining provide exemption issue rail carriers see supra brief amicus curiae richmond department taxation commonwealth use dissent example railroad challenged scheme every person business state alabama paid annual tax one person exempt post reason nothing railroads presume suit promptly dismissed nothing application offers windfall railroads ibid dissent argues addition state prevail claim discrimination brought subsection demonstrate tax target single railroad post showing without justify tax although dissent declines say means target post argument primarily concerns question whether alabama tax scheme fact discriminates subsection question explained inappropriate address see supra note however dissent argument subsection rests entirely premise subsections prohibit property taxes target single railroads see post dissent say state may impose property tax railroads assuming unspecified number taxpayers also pay rate levying property tax railroad competitors never decided acf industries case whether subsections interpreted manner even accepting dissent unexplained premise serious question remain whether transplant construction subsections subsection different terrain see infra footnotes see kansas city southern mcnamara burlington northern superior alabama great southern eagerton although majority rightly observes whether given tax discriminatory may often difficult question see ante close case therefore need define exact boundaries constitutes targeting singling see norfolk southern alabama dept revenue listing examples courts finding railroads targeted various state tax schemes majority declines reach comparison class issue question presented whether state exemptions rail carrier competitors rail carriers generally applicable sales use taxes fuel subject taxes challenge tax discriminates rail carrier question presented thus asks whether csx challenge generally applicable tax based exemptions granted rail competitors straightforward comparison class issue lower courts split proper scope comparison class issue presented case decide comparison class anyone broader either sides lower courts split issue courts usually disagree whether use commercial industrial taxpayers railroad competitors comparison class compare burlington northern lohman applying comparison class rail competitors burlington northern commissioner revenue kansas city southern using commercial industrial taxpayers comparison class atchison arizona majority appears consider sufficient justification potential defense state see ante since derives meaning discriminates lack sufficient justification seem part railroad plead order state claim violation