container franchise tax argued january decided june california imposes corporate franchise tax geared income employs unitary business principle formula apportionment applying tax corporations business inside outside state formula used commonly called formula based equal parts proportion unitary business total payroll property sales located state appellant packaging manufacturer delaware corporation headquartered illinois business california elsewhere also number overseas subsidiaries incorporated countries operate calculating tax years question case share net income apportionable california formula appellant omitted subsidiaries payroll property sales appellee franchise tax board issued notices additional assessments gravamen appellant treated overseas subsidiaries part unitary business rather passive investment paying additional assessments protest appellant brought action refund california superior upheld additional assessments california appeal affirmed held california application unitary business principle appellant foreign subsidiaries proper pp taxpayer burden showing clear convincing evidence state tax results extraterritorial values taxed reasonably possible defer judgment state courts deciding whether particular set activities constitutes unitary business task determine whether state applied correct standards case whether judgment within realm permissible judgment pp merit appellant argument appeal important part analyzed case incorrect legal standard rather factors relied upon holding appellant foreign subsidiaries constituted unitary business factors included appellant assistance subsidiaries obtaining equipment filling personnel needs met locally substantial role played appellant loaning funds subsidiaries guaranteeing loans provided others considerable interplay appellant subsidiaries area corporate expansion substantial technical assistance provided appellant subsidiaries supervisory role played appellant officers providing general guidance subsidiaries taken combination clearly demonstrate reached conclusion within realm permissible judgment pp california use formula apportion income unitary business consisting appellant foreign subsidiaries fair appellant burden proving income apportioned california appropriate proportions business transacted state burden met offering various statistics appeared demonstrate wage rates generally lower foreign countries appellant subsidiaries operate also lower wage rates offset lower levels productivity may well addition foreign payroll going production given corrugated container foreign subsidiary california payroll well california factors contributing production mere fact possibility reflected appellant accounting disturb underlying premises formula apportionment method pp california obligation foreign commerce clause employ analysis used federal government foreign nations evaluating tax consequences intercorporate relationships japan line county los angeles distinguished pp double taxation occasioned california scheme impermissible due part difference tax income tax tangible property california trouble avoiding double taxation corporations subject franchise tax even adopted approach moreover california tax result inevitable double taxation perverse simply sake avoiding double taxation require california give one allocation method sometimes results double taxation favor another allocation method sometimes result pp california tax violate one voice standard established japan line supra state tax variance federal policy struck either implicates foreign policy issues must left federal government violates clear federal directive three factors weigh strongly conclusion tax might lead significant foreign retaliation tax create automatic asymmetry international taxation imposed domestic corporation foreign entity even foreign nations legitimate interest reducing tax burden domestic corporations appellant amenable taxed california one way another tax pays function california tax rate allocation method moreover california tax federal law fatally inconsistent federal policy claim federal tax statutes provide necessary force requirement tax treaties federal government adopt form analysis taxing domestic income multinational enterprises generally waived taxes imposed contracting nations domestic corporations tax treaties cover taxing activities congress never enacted legislation designed regulate state taxation income pp brennan delivered opinion white marshall blackmun rehnquist joined powell filed dissenting opinion burger joined post stevens took part consideration decision case franklin latcham argued cause appellant briefs prentiss willson neal gobar deputy attorney general california argued cause appellee brief george deukmejian attorney general briefs amici curiae urging reversal filed marlow cook lee spence robert ash allied lyons et al elaine bialczak george beatty william goldman james peters paul frankel jean walker committee state taxation council state chambers commerce valentine brookes lawrence brookes emi limited et al william allen john jones mark levy financial executives institute neil papiano dennis page firestone tire rubber jeffrey balkin pro se jeffrey balkin et al briefs amici curiae urging affirmance filed david leroy attorney general idaho theodore spangler deputy attorney general david wilkinson attorney general utah state idaho et al tyrone fahner attorney general fred montgomery special assistant attorney general lloyd foster state illinois michael rieley special assistant attorney general state montana jeff bingaman attorney general lisa gillard gmuca assistant attorney general state new mexico robert abrams attorney general francis dow assistant attorney general peter schiff state new york robert wefald attorney general kenneth jakes assistant attorney general state north dakota dave frohnmayer attorney general stanton long deputy attorney general william gary solicitor general theodore de looze assistant attorney general state oregon william dexter wilson condon attorney general alaska james eads macfarlane attorney general colorado carl ajello attorney general connecticut richard gebelein attorney general delaware david leroy attorney general idaho theodore spangler deputy attorney general linley pearson attorney general indiana robert stephan attorney general kansas francis bellotti attorney general massachusetts frank kelley attorney general michigan warren spannaus attorney general minnesota john ashcroft attorney general missouri paul douglas attorney general nebraska gregory smith attorney general new hampshire jeff bingaman attorney general new mexico rufus edmisten attorney general north carolina banks deputy attorney general robert wefald attorney general north dakota albert hausauer assistant attorney general dave frohnmayer attorney general oregon david wilkinson attorney general utah multistate tax commission et al richard geltman tany hong attorney general hawaii national governors association et al charles brannan national farmers union citizens tax justice et al frank keesling pro se briefs amici curiae filed lloyd cutler william lake government kingdom netherlands john easton attorney general paul hanlon state vermont francis morrissey peter powles canadian imperial bank commerce et al harnack richard hanson caterpillar tractor joanne garvey roy crawford committee unitary tax john nolan confederation british industry norman barker gulf oil anthon cannon international bankers association california et al kenneth heady phillips petroleum john hupper paul dodyk shell petroleum norman barker dean dunlavey sony et al joseph guttentag carolyn agger daniel lewis union industries european community justice brennan delivered opinion another appeal claiming application state taxing scheme violates due process commerce clauses federal constitution california imposes corporate franchise tax geared income common large number employs unitary business principle formula apportionment applying tax corporations business inside outside state appellant delaware corporation headquartered illinois business california elsewhere also number overseas subsidiaries incorporated countries operate appellee california authority charged administering state franchise tax appeal presents three questions review improper appellee state courts find appellant overseas subsidiaries constituted unitary business purposes state tax even unitary business finding proper certain salient differences among national economies render standard apportionment formula used california inaccurate applied multinational enterprise consisting appellant subsidiaries violate constitutional requirement fair apportionment event california obligation foreign commerce clause art cl employ analysis used federal government foreign nations evaluating tax consequences intercorporate relationships various aspects state tax systems based unitary business principle formula apportionment provoked repeated constitutional litigation see asarco idaho state tax woolworth taxation revenue exxon wisconsin dept revenue mobil oil commissioner taxes moorman mfg bair general motors washington butler mccolgan bass ratcliff gretton state tax underwood typewriter chamberlain due process commerce clauses constitution state may imposing tax tax value earned outside borders asarco supra case integrated business enterprise operating one state however arriving precise territorial allocations value often elusive goal theory practice see mobil oil commissioner taxes supra butler mccolgan supra underwood typewriter chamberlain supra reason others long held constitution imposes single formula wisconsin penney taxpayer distinct burden showing clear cogent evidence state tax results extraterritorial values taxed exxon supra quoting butler mccolgan supra turn quoting norfolk western north carolina ex rel maxwell one way deriving locally taxable income basis formal geographical transactional accounting problem method formal accounting subject manipulation imprecision often ignores captures inadequately many subtle largely unquantifiable transfers value take place among components single enterprise see generally mobil oil supra sources cited unitary formula apportionment method different approach problem taxing businesses operating one jurisdiction rejects geographical transactional accounting instead calculates local tax base first defining scope unitary business taxed enterprise activities taxing jurisdiction form one part apportioning total income unitary business taxing jurisdiction rest world basis formula taking account objective measures corporation activities within without jurisdiction long ago upheld constitutionality unitary apportionment method although subject certain constraints see hans rees sons north carolina ex rel maxwell bass ratcliff gretton state tax supra underwood typewriter chamberlain supra method gained wide acceptance one forms basis uniform division income tax purposes act uniform act last count substantially adopted including california two aspects unitary apportionment method traditionally attracted judicial attention one might easily guess notions unitary business formula apportionment respectively due process commerce clauses constitution allow state tax income arising interstate activities even proportional basis unless minimal connection nexus interstate activities taxing state rational relationship income attributed state intrastate values enterprise exxon wisconsin dept revenue supra quoting mobil oil commissioner taxes supra least set principles imposes obvious largely limitation state tax purported unitary business unless least part conducted state see exxon supra wisconsin penney supra also requires bond ownership control uniting purported unitary business see asarco supra addition principles quoted require activities purported unitary business related concrete way activities functional meaning requirement sharing exchange value capable precise identification measurement beyond mere flow funds arising passive investment distinct business operation renders formula apportionment reasonable method taxation see generally asarco supra mobil oil supra underwood typewriter chamberlain supra held state tax apportioned basis combined income vertically integrated business whose various components manufacturing sales etc operated different bass ratcliff gretton supra applied principle vertically integrated business operating across national boundaries butler mccolgan supra recognized unitary business principle apply vertically integrated enterprises also series similar enterprises operating separately various jurisdictions linked common managerial operational resources produced economies scale transfers value recently refined unitary business concept exxon wisconsin dept revenue mobil oil commissioner taxes upheld unitary business findings asarco idaho state tax woolworth taxation revenue found findings improper california statute issue case uniform act relevant provisions derived track large part principles discussed particular statute distinguishes business income multijurisdictional enterprise apportioned formula cal rev tax code ann west nonbusiness income although statute explicitly require income distinct business enterprises apportioned separately requirement antedated adoption uniform act abandoned final point needs made unitary business concept speak unitary variations theme number logically consistent underlying principles motivating approach example state might decide respect formal corporate lines treat ownership corporate subsidiary per se passive investment mobil oil however made clear general matter per se rule constitutionally required superficially intercorporate division might appear attractive basis limiting apportionability form business organization may nothing underlying unity diversity business enterprise case corporation owning controlling either directly indirectly another corporation corporations case corporation owned controlled either directly indirectly another corporation franchise tax board may require consolidated report showing combined net income facts deems necessary cal rev tax code ann west determined certain set activities constitute unitary business state must apply formula apportioning income business within without state apportionment formula must due process commerce clauses fair see exxon supra moorman mfg hans rees sons first obvious component fairness apportionment formula might called internal consistency formula must applied every jurisdiction result unitary business income taxed second difficult requirement might called external consistency factor factors used apportionment formula must actually reflect reasonable sense income generated constitution invalidat apportionment formula whenever may result taxation income source taxing state moorman mfg supra emphasis added see underwood typewriter nevertheless strike application apportionment formula taxpayer prove clear cogent evidence income attributed state fact appropriate proportions business transacted state hans rees sons led grossly distorted result norfolk western state tax moorman mfg supra california adopted uniform act use formula commonly called formula based equal parts proportion unitary business total payroll property sales located taxing state see cal tax rev code ann west approved formula butler mccolgan indeed formula met approval become reasons discuss detail infra something benchmark apportionment formulas judged see moorman mfg supra blackmun dissenting cf general motors district columbia besides fair apportionment formula must commerce clause also result discrimination interstate foreign commerce see mobil oil supra cf japan line county los angeles property tax aside forbidding obvious types discrimination interstate foreign commerce principle might construed require state apportionment formula differ substantially methods allocation used jurisdictions taxpayer subject taxation produce double taxation income resultant tax burden higher taxpayer incur business limited one jurisdiction least interstate commerce context however antidiscrimination principle practice required much addition requirement fair apportionment moorman mfg bair supra particular explained eliminating overlapping taxation require establish single constitutionally mandated method taxation also rules regarding application method particular cases task thought essentially legislative declined undertake held fairly apportioned tax found invalid simply differed prevailing approach adopted discuss infra however searching inquiry necessary confronted possibility international double taxation ii appellant business manufacturing paperboard packaging operation vertically integrated includes production paperboard raw timber wastepaper well composition finished products ordered customers operation also largely domestic years issue case appellant controlled foreign subsidiaries located four latin american four european countries percentage ownership subsidiaries either directly subsidiaries ranged instances half appellant interest subsidiary remainder owned local nationals one subsidiaries holding company payroll sales property book income another inactive rest engaged respective local markets essentially business appellant appellant subsidiaries like appellant fully integrated although bought paperboard intermediate products elsewhere sales materials appellant subsidiaries accounted subsidiaries total purchases subsidiaries also relatively autonomous respect matters personnel management example transfers personnel appellant subsidiaries rare occurred subsidiary fill position locally formal training program subsidiaries employees although groups foreign employees occasionally visited week periods familiarize appellant methods operation appellant charged one senior vice president four officers task overseeing operations subsidiaries officers established general standards professionalism profitability ethical practices dealt major problems decisions management subsidiaries however left hands local executives always citizens host country although local decisions regarding capital expenditures subject review appellant problems generally worked consensus rather outright domination appellant also number directors officers boards directors subsidiaries generally play active role management decisions nevertheless certain respects relationship appellant subsidiaries decidedly close example approximately half subsidiaries debt either held directly guaranteed appellant appellant also provided advice consultation regarding manufacturing techniques engineering design architecture insurance cost accounting number subsidiaries either entering technical service agreements informal arrangement finally appellant occasionally assisted subsidiaries procurement equipment either selling used equipment employing purchasing department act agent subsidiaries tax years issue case appellant filed california franchise tax returns conducting audit appellant returns years question appellee issued notices additional assessments years respective approaches results reflected appellant initial returns appellee notices additional assessments capture legal differences issue case calculating total unapportioned taxable income unitary business appellant included corporate net earnings derived federal tax form subject certain adjustments relevant include income subsidiaries also deducted authorized state law see supra dividend income nonbusiness interest income gains sales assets related unitary business calculating share net income apportionable california formula appellant omitted subsidiaries payroll property sales results calculations summarized margin gravamen notices issued appellee appellant treated overseas subsidiaries part unitary business rather passive investments including overseas subsidiaries appellant unitary business two primary effects increased income subject apportionment amount equal total income subsidiaries less intersubsidiary dividends see supra decreased percentage income apportionable california net effect however increase appellant tax liability three years appellant paid additional amounts protest sued california superior refund raising issues case tried stipulated facts superior upheld appellee assessments appeal california appeal affirmed cal app cal rptr california refused exercise discretionary review noted probable jurisdiction iii address unitary business issue first previously noted taxpayer always distinct burden showing clear cogent evidence state tax results extraterritorial values taxed supra one necessary corollary principle reasonably possible defer judgment state courts deciding whether particular set activities constitutes unitary business said closely related context norton department revenue general rule applicable taxpayer claiming immunity tax burden establishing exemption burden never met merely showing fair difference opinion original matter might decided differently course constitutional cases power examine whole record arrive independent judgment whether constitutional rights invaded mean first instance findings fact supported substantial evidence footnotes omitted emphasis added case singularly unconvinced appellant argument state appeal important part analyzed case different legal standard woolworth one articulated appellant argues state like state woolworth improperly relied appellant mere potential control operations subsidiaries dispositive factor reaching unitary business finding fact although state mentioned major policy decisions subsidiaries subject review appellant cal app cal relied principally discussing management relationship appellant subsidiaries concrete observation igh officials appellant gave directions subsidiaries compliance parent standard professionalism profitability ethical practices cal appellant also argues state erred endorsing administrative presumption corporations engaged line business unitary presumption affected state reasoning one element among many moreover considering limited use put find presumption criticized appellant reasonable investment business enterprise truly distinct corporation main line business often serves primary function diversifying corporate portfolio reducing risks inherent tied one industry business cycle corporation invests subsidiary engages line work becomes much likely one function investment make better use either economies scale operational integration sharing expertise parent existing resources finally appellant urges us adopt rule requiring prerequisite finding mercantile manufacturing enterprise unitary characterized substantial flow goods brief appellant decline invitation prerequisite constitutionally acceptable finding unitary business flow value flow goods reiterated woolworth relevant question unitary business inquiry whether contributions income subsidiaries result ed functional integration centralization management economies scale quoting mobil ubstantial mutual interdependence woolworth supra arise number ways substantial flow goods clearly one clearly one state appeal relied large number factors reaching judgment appellant foreign subsidiaries constituted unitary business included appellant assistance subsidiaries obtaining used new equipment filling personnel needs met locally substantial role played appellant loaning funds subsidiaries guaranteeing loans provided others considerable interplay appellant foreign subsidiaries area corporate expansion cal app cal substantial technical assistance provided appellant subsidiaries cal supervisory role played appellant officers providing general guidance subsidiaries respects case differs asarco woolworth clearly comes closer cases presenting functionally integrated enterprise mobil supra state entitled tax single entity need decide whether one factors sufficient constitutional matter prove existence unitary business taken combination least clearly demonstrate state reached conclusion within realm permissible judgment iv turn question fair apportionment appellant burden proof must demonstrate rational relationship income attributed state intrastate values enterprise exxon quoting mobil supra proving income apportioned california statute appropriate proportion business transacted appellant state hans rees sons appellant challenges application california formula business two related grounds arising practical although theoretical matter international character enterprise first appellant argues foreign subsidiaries significantly profitable formula ignoring fact relying instead indirect measures income payroll property sales systematically distorts true allocation income appellant subsidiaries problem argument obvious profit figures relied appellant based precisely sort formal geographical accounting whose basic theoretical weaknesses justify resort formula apportionment first place indeed considered rejected similar argument mobil pointing whenever unitary business exists separate geographical accounting purports isolate portions income received various may fail account contributions income resulting functional integration centralization management economies scale factors profitability arise operation business whole becomes misleading characterize income business single identifiable source although separate geographical accounting may useful internal auditing purposes state taxation constitutionally required citation omitted costs production foreign countries generally significantly lower primarily result lower wage rates workers countries wages one three factors used formulary apportionment use formula unfairly inflates amount income apportioned operations wages higher brief appellant problem evidence however come close impeaching basic rationale behind formula appellant foreign subsidiaries determined unitary business therefore may well addition foreign payroll going production given corrugated container foreign subsidiary also california payroll well california factors contributing albeit indirectly production mere fact possibility reflected appellant accounting disturb underlying premises formula apportionment method geographical accounting formula apportionment imperfect proxies ideal difficult achieve practice also difficult describe theory methods formula apportionment particularly problematic focus small part spectrum activities value generated although generally upheld use formulas see moorman mfg bair underwood typewriter chamberlain occasion found distortive effect focusing one factor outrageous particular case require reversal hans rees sons north carolina ex rel maxwell supra example apportionment method based entirely ownership tangible property resulted attribution north carolina taxpayer income course number years separate accounting analysis purposely skewed resolve doubts favor state resulted attribution struck application formula particular business holding method albeit fair face operates reach profits sense attributable transactions within jurisdiction formula used california gained wide approval precisely payroll property sales appear combination reflect large share activities value generated therefore able avoid sorts distortions present hans rees sons course even formula necessarily imperfect seen evidence demonstrating margin error systematic inherent formula greater margin error systematic inherent sort separate accounting urged upon us appellant indeed difficult come conclusion basis figures case appellant statistics showing allegedly enormous distortions caused formula tables set nn supra reveal percentage increase taxable income attributable california methodology employed appellant methodology employed appellee comes approximately far cry difference led us strike state tax hans rees sons figure certainly within substantial margin error inherent method attributing income among components unitary business see also moorman mfg supra ford motor beauchamp underwood typewriter supra reasons outlined conclude california application unitary business principle appellant foreign subsidiaries proper use standard formula apportion income unitary business fair proper fair method taxation happens however quite different method employed federal government taxing appellant business relevant foreign jurisdictions taxing business appellant subsidiaries taxing jurisdictions adopted qualified separate accounting approach often referred approach taxation related corporations approach every corporation even closely tied corporations treated decidedly purposes independent entity dealing arm length affiliated corporations subject taxation jurisdictions operates income realizes books unitary business consisting appellant subsidiaries entirely domestic fact different jurisdictions applied different methods taxation probably make little constitutional difference reasons discuss supra given international however must subject case additional scrutiny required foreign commerce clause see mobil oil japan line bowman chicago case relevant inquiry japan line japan line involved attempt california impose apparently fairly apportioned nondiscriminatory ad valorem property tax cargo containers instrumentalities foreign commerce temporarily located various california ports cargo containers however subject unapportioned property tax home port japan moreover convention signed japan made clear least neither national government impose tax temporarily imported cargo containers whose home port nation held hen state seeks tax instrumentalities foreign commerce two additional considerations beyond articulated doctrine governing interstate commerce clause come play first enhanced risk multiple taxation although consistent application fair apportionment standard generally mitigate eliminate double taxation domestic context neither nation ensure full apportionment one taxing entities foreign sovereign instrumentality commerce domiciled abroad country domicile may right consistently custom nations impose tax full value state seek tax instrumentality apportioned basis multiple taxation inevitably results due absence authoritative tribunal capable ensuring aggregation taxes computed one full value state tax even though fairly apportioned reflect instrumentality presence within state may subject foreign commerce risk double tax burden domestic commerce exposed commerce clause forbids quoting evco jones turn quoting adams mfg storen omitted state tax instrumentalities foreign commerce may frustrate achievement federal uniformity several ways state imposes apportioned tax international disputes reconciling apportionment formulae may arise novel state tax creates asymmetry international tax structure foreign nations disadvantaged levy may retaliate instrumentalities present jurisdictions followed taxing state example various instrumentalities commerce subjected varying degrees multiple taxation result plainly prevent nation speaking one voice regulating foreign commerce omitted case similar japan line number important respects first tax imposed like tax imposed japan line resulted actual double taxation sense income taxed without apportionment foreign nations attributable appellant foreign subsidiaries also taxed california attributable state share total income unitary business subsidiaries part second double taxation stems serious divergence taxing schemes adopted california foreign taxing authorities third taxing method adopted foreign taxing authorities consistent accepted international practice finally federal government degree spoken seems prefer taxing method adopted international community taxing method adopted california nevertheless also number ways case clearly distinguishable japan line first involves tax income rather tax property distinguished property income taxation mobil oil exxon suggesting reasons allocation single situs often apply case property taxation carry little force case income taxation second double taxation case although real inevitabl result california taxing scheme cf japan line japan line relied strongly fact one taxing jurisdiction claimed right tax given value full another taxing jurisdiction claimed right tax entity part combination resulting necessarily double taxation contrast faced two distinct methods allocating income multinational enterprise approach divides pie basis formal accounting principles formula apportionment method divides pie basis mathematical generalization whether combination two methods results income taxed twice portion income taxed dependent solely facts individual case third difference case japan line tax falls foreign owners instrumentality foreign commerce corporation domiciled headquartered specifically left open japan line application case domestically owned instrumentalities engaged foreign commerce extent corporations analogized cargo containers first place case falls clearly within reservation light considerations task case must determine whether distinctions present tax tax issue japan line add constitutionally significant difference reasons explain conclude japan line said ven slight overlapping tax problem might deemed de minimis domestic context assumes importance sensitive matters foreign relations national sovereignty concerned omitted take statement absolute prohibition double taxation international context analysis end fact absolute rule appropriate japan line relied much mere fact double taxation strike state tax issue although double taxation foreign commerce context deserves receive close scrutiny scrutiny must take account context double taxation takes place alternatives reasonably available taxing state japan line taxing state entirely eliminate one important source double taxation simply adhering one rule tax extent whatsoever cargo containers owned based registered abroad used exclusively international commerce require state adhere rule means unfair rule reflect consistent international practice express federal policy case california try avoid double taxation simply taxing appellant income even though good deal plainly domestic party suggested rule obvious unfairness requires elaboration california try avoid double taxation adopting version approach course however means guarantee end double taxation already noted approach generally based first instance multicorporate enterprise formal accounting despite initial reliance approach recognizes much formula apportionment approach closely related corporations engage transfer values fully reflected formal ledgers thus example provides case two businesses whether incorporated whether organized whether affiliated owned controlled directly indirectly interests secretary treasury may distribute apportion allocate gross income deductions credits allowances among businesses determines distribution apportionment allocation necessary order prevent evasion taxes clearly reflect income businesses california trouble avoiding double taxation even adopted approach think product difference tax income tax tangible property see supra allocating income among various taxing jurisdictions bears resemblance emphasized throughout opinion slicing shadow absence central coordinating authority absolute consistency even among taxing authorities whose basic approach task quite similar may much ask california method formula apportionment inevitably led double taxation see supra might reason enough render suspect since perverse simply sake avoiding double taxation require california give one allocation method sometimes results double taxation favor another allocation method also sometimes results double taxation cf moorman mfg argued even foreign commerce clause require california adopt approach foreign subsidiaries domestic corporations require whatever system taxation california adopts must result double taxation particular case implication rule however even california adopted method required defer merely single internationally accepted standard case japan line variety reallocation decisions made individual foreign countries individual cases although double taxation constitutionally disfavored state affairs particularly international context japan line require forbearance extreme come finally second inquiry suggested japan line whether california decision adopt formula apportionment international context impermissible may impair federal uniformity area federal uniformity essential prevents federal government speaking one voice international trade quoting michelin tire wages conducting inquiry however must keep mind state tax merely foreign resonances implicate foreign affairs infer bsent explicit directive congress treatment foreign income federal level mandates identical treatment mobil see also japan line michelin tire supra thus state tax variance federal policy violate one voice standard either implicates foreign policy issues must left federal government violates clear federal directive second considerations course essentially species analysis obvious foreign policy implication state tax threat might pose offending foreign trading partners leading retaliate nation whole considering issue however faced distinct problem little competence determining precisely foreign nations offended particular acts even less competence deciding balance particular risk retaliation sovereign right whole let tax please best absence explicit action congress attempt develop objective standards reflect general observations imperatives international trade international relations case like mobil real issue came question interstate rather foreign commerce nevertheless three distinct factors already discussed one way another seem us weigh strongly conclusion tax imposed california might justifiably lead significant foreign retaliation first tax create automatic asymmetry japan line supra international taxation see supra second tax imposed foreign entity case japan line domestic corporation although california counts income arguably attributable foreign corporations calculating taxable income domestic corporation legal incidence tax falls domestic corporation third even foreign nations legitimate interest reducing tax burden domestic corporations fact remains appellant without doubt amenable taxed california one way another amount tax pays much function california tax rate allocation method although foreign nation might offended considers unorthodox treatment appellant california simply raised general tax rate achieve economic result assume offense involved either event attenuated best state tax may course foreign policy implications threat retaliation note however case unlike japan line executive branch decided file amicus curiae brief opposition state tax lack submission means dispositive nevertheless combined considerations discussed suggest foreign policy whose nuances must emphasize much province executive branch congress seriously threatened california decision apply unitary business concept formula apportionment calculating appellant taxable income turn specific indications congressional intent appellant position fares better first claim federal tax statutes provide necessary force second although party great number tax treaties require federal government adopt form analysis taxing domestic income multinational enterprises requirement generally waived respect taxes imposed contracting nations domestic corporations fact nothing else confirms view taxation reality local rather international concern third tax treaties entered generally cover taxing activities subnational governmental units none treaties restriction methods taxation apply moreover senate least one occasion considering proposed treaty attached reservation declining give consent provision treaty extended restriction finally remains true said mobil congress long debated enacted legislation designed regulate state taxation income thus whether apply explicit directive standard articulated mobil relaxed standard takes account residual concern foreign policy implications california tax conclude california tax issue federal law fatally inconsistent federal policy vi judgment california appeal affirmed footnotes see generally honolulu oil franchise tax board cal superior oil franchise tax board cal see opinion california appeal case cal app cal rptr see also cal rev tax code ann west allowing separate accounting alternative methods apportionment total formula apportionment fairly represent extent taxpayer business activity state note uniform act speak question one way see also cal rev tax code ann west defining ownership control necessary corollary california approach course intercorporate dividends unitary business included gross income since inclusion result portion subsidiary income first income attributed unitary business second dividend income parent see noted adopted hybrid approach mobil example nondomiciliary state invoked unitary business justification include apportioned share certain corporate dividends gross income taxpayer require combined return combined apportionment mobil held taxpayer objection approach properly raised state proceedings justice stevens however reached merits stating part either mobil worldwide petroleum enterprise part one unitary business vermont must evaluate entire enterprise consistent manner citation omitted see stevens dissenting outlining alternative approaches available state cf term harv rev see generally general accounting office report chairman house committee ways means key issues affecting state taxation multijurisdictional corporate income need resolving mobil fact involve income foreign subsidiaries fact little importance case two reasons first discussed supra state case included dividends subsidiaries parent calculation parent apportionable taxable income include underlying income subsidiaries second taxpayer case conceded dividends taxed somewhere actual issue merely whether particular state barred imposing portion tax see number reasons appellant relatively attitude toward management subsidiaries first comported company general management philosophy emphasizing local responsibility accountability respect treatment foreign subsidiaries similar organization appellant domestic geographical divisions second reflected fact packaging industry like advertising industry closely related highly sensitive differences consumer habits economic development among different nations therefore requires good dose local expertise successful third appellant policy designed appeal sensibilities local customers governments also certain spillover goodwill appellant subsidiaries appellant customers overseas needs occasion ask appellant sales representatives recommend foreign firms possible representatives refer customers appellant subsidiaries least one instance appellant became involved actual negotiation contract customer foreign subsidiary notices additional tax followed series adjustments payments claims refunds assessments whose combined effect render figures outlined text illustrative real descriptions present claims parties regard appellant total tax liability subsequent events however concern legal issues raised case remove either party financial stake resolution issues therefore disregard sake simplicity total income percentage amount unitary attributed attributed business california california tax see exhibit stipulation record according notices appellant actual tax obligations follows total income percentage amount unitary attributed attributed business california california tax see exhibit stipulation record approach course quite different one follow certain constitutional contexts see brooks florida new york times sullivan also go without saying every claim state erred making unitary business finding pose substantial federal question first place asarco woolworth consistent standard review asarco involved claim parent certain partial subsidiaries held either minority interests bare majority interests part unitary business state upheld claim concluded relying factual findings made state courts unitary business finding impermissible partial subsidiaries realistically subject even minimal control asarco therefore passive investments basic sense term held specifically accept state theory case constitute misapplication unitary business concept destroy concept entirely woolworth much closer case involving one partially owned subsidiary three wholly owned subsidiaries examined evidence detail reversed state unitary business finding concluding state made specific crucial legal errors merely conclusions drew legal standard applied analyzing case event although potential control said woolworth dispositive unitary business issue emphasis added relevant whether components purported unitary business share degree common ownership prerequisite finding unitariness also whether might exist degree implicit control sufficient render parent subsidiary integrated enterprise state supra wide range constitutionally acceptable variations unitary business theme thus leading scholar suggested flow goods requirement provide reasonable workable test unitary business see hellerstein recent developments state tax apportionment circumscription unitary business nat tax hellerstein allocation apportionment dividends delineation unitary business tax notes state courts adopted test see commonwealth acf industries see mclure operational interdependence appropriate bright line test unitary business least tax notes however sensible test may policy matter however see reason impose requirement constitutional law cf wisconsin penney see supra see also woolworth phase subsidiary business integrated parent ibid undisputed testimony stated subsidiary made business decisions independently parent subsidiary responsible obtaining financing sources parent ibid one possible exception none subsidiaries officers year question current former employee parent omitted two factors relied state deserve particular mention first flow capital resources appellant subsidiaries loans loan guarantees indication capital transactions conducted arm length resulting flow value obvious made clear another context corn products refining commissioner capital transactions serve either investment function operational function case appellant loans loan guarantees clearly part effort ensure overseas operations appellant continue grow become substantial part company strength profitability container corporation america annual report reproduced exhibit stipulation facts see generally second noteworthy factor managerial role played appellant subsidiaries affairs made clear woolworth unitary business finding based merely type occasional oversight respect capital structure major debt dividends parent gives investment subsidiary exxon illustrates however mere decentralization management responsibility accountability defeat unitary business finding difference lies whether management role parent play grounded operational expertise overall operational strategy case business guidelines established appellant subsidiaries consensus process appellant management involved subsidiaries business decisions sometimes uncompensated technical assistance provided appellant point precisely sort operational role found lacking woolworth first weight given three factors essentially arbitrary second payroll property sales still exhaust entire set factors arguably relevant production income finally relationship factors income means exact formula applied horizontally linked enterprises based part rough economic assumption rates return property payroll rates return measured ideal accounting method took transfers value account roughly different taxing jurisdictions assumption powerful basis economic theory true rates return radically different different jurisdictions one might expect significant shift investment resources take advantage difference hand assumption admitted weaknesses enterprise willingness invest simultaneously two jurisdictions different true rates return might adequately explained example difficulty shifting resources decreasing marginal value additional investment considerations approach also often applied geographically distinct divisions single corporation stipulation facts indicates tax returns filed appellant subsidiaries foreign domiciles took account applicable income deductions incurred subsidiary subsidiaries country income deductions appellant subsidiaries operating countries app conclusively demonstrate existence double taxation appellant produced foreign tax returns entirely possible deductions exemptions adjustments returns eliminated whatever overlap taxable income resulted application california apportionment method nevertheless appellee seriously dispute existence actual double taxation defined brief appellee cf tr oral arg assume existence purposes analysis cf japan line see infra discussing whether state scheme federal law note deliberately emphasized japan line narrowness question presented whether instrumentalities commerce owned based registered abroad used exclusively international commerce may subjected apportioned ad valorem property taxation state indeed chicago bridge iron caterpillar tractor argued last term carried term application worldwide combined apportionment resulted refund taxpayer amount paid tax return included neither foreign income foreign apportionment factors need address opinion constitutionality combined apportionment respect state taxation domestic corporations foreign parents foreign corporations either foreign parents foreign subsidiaries see also infra cf treasury department model income tax treaty june art reprinted cch tax treaties hereinafter model treaty enterprise contracting state participates directly indirectly management control capital enterprise contracting state conditions made imposed two enterprises commercial financial relations differ made independent enterprises profits conditions accrued one enterprises reason conditions accrued may included profits enterprise taxed accordingly bischel income tax treaties hereinafter bischel see generally harley international division income tax base multinational enterprise hereinafter harley madere international pricing allocation guidelines relief double taxation tex see surrey reflections allocation income expenses among national tax jurisdictions policy bus bischel bittker eustice federal income taxation corporations shareholders ed harley another problem arises treatment intercorporate dividends formula apportionment practiced california intercorporate dividends attributable unitary business like many intercorporate transactions considered essentially irrelevant included taxable income see supra method entirely consistent tax intercorporate dividends occur investment income taxed state dividend taxed particularly important since issue international rather interstate double taxation see mobil also argued strictly speaking result double taxation since income taxed income parent rather income subsidiary effect however often penalize enterprise simply adopted particular corporate structure practice therefore jurisdictions allow tax credits outright exemptions intercorporate dividends among closely tied corporations provision credits exemptions often included tax treaties see generally model treaty art bischel suggestion made appellant dividends subsidiaries exempt entirely domestic state taxation grant credit approach taken federal law see et fact entirely eliminate effective double taxation income still taxed twice although credit insures total tax greater paid higher two tax rates involved moreover federal government allowed credit foreign taxes particular intercorporate dividend persuaded logical matter state grant another credit since federal credit already vindicated goal subjecting taxpayer higher tax burden bear subsidiary income taxed abroad federal level double taxation sometimes mitigated provisions tax treaties providing intergovernmental negotiations resolve differences approaches respective taxing authorities see generally model treaty art new york university proceedings fortieth annual institute federal taxation hereinafter institute cf owens income tax treaties role relieving double taxation rutgers rev role provisions procedural rather substantive california however position negotiate foreign governments neither tax treaties federal law provides mechanism federal government negotiate double taxation arising state tax systems event negotiations always occur occur always succeed recognize fact legal incidence tax falls corporation whose formal corporate domicile domestic might less significant case domestic corporation owned foreign interests need decide whether case require us alter analysis solicitor general submit memorandum opposing worldwide formula apportionment state chicago bridge iron caterpillar tractor case argued last term carried term although need us speculate reasons solicitor general decision submit similar memorandum brief case cf brief national governors association et al amici curiae indication position taken government chicago bridge iron still represents views regard brief case applying case see generally model treaty art bischel see model treaty art bischel institute see bischel see cong rec pending one bill aware see sess justice powell chief justice justice join dissenting opinion addresses several questions presented case commendable thoroughness view however california tax clearly violates foreign commerce clause tax japan line county los angeles therefore consider whether appellant foreign subsidiaries constitute unitary business whether state apportionment formula fair respect foreign commerce clause issue candidly concedes double taxation constitutionally disfavored state affairs particularly international context ante ii like tax imposed japan line california tax resulted actual double taxation ante therefore iii tax deserves receive close scrutiny ante also concedes case similar japan line number important respects ante federal government seems prefer taxing method adopted international community ibid identifies several distinctions case japan line however sustains validity california tax despite inevitable double taxation incompatibility method taxation accepted international community reaching result fails apply close scrutiny manner meets requirements exacting standard review although facts japan line differ respects identical critical questions double taxation federal uniformity principles enunciated case controlling state tax unconstitutional either creates substantial risk international multiple taxation prevents federal government speaking one voice regulating commercial relations foreign governments undisputed california tax creates substantial risk international multiple taxation also resulted actual double taxation case see ante explains double taxation occurs california adopted taxing system serious ly diverge internationally accepted taxing methods adopted foreign taxing authorities ibid nevertheless upholds tax ground california necessarily reduce double taxation conforming accepted international practice ante argument fails recognize fundamental difference current double taxation risk remain system conclude california tax violates first principle enunciated japan line present double taxation exists california uses allocation method different basic assumptions method used countries appellant subsidiaries operate state formula necessary relationship amount income earned given jurisdiction calculated method contrary formula allocates higher proportion income jurisdictions wage rates property values sales prices higher see hellerstein hellerstein state local taxation ed extent california jurisdiction formula inherently leads double taxation appellant case good illustration problem overwhelming majority overseas income earned latin american subsidiaries see app since wage rates property values sales prices much lower latin america california state apportionment formula systematically allocates much lower proportion income latin america internationally accepted method correspondingly formula allocates higher proportion income california subject state tax long three factors remain higher california inevitable state tax income formula already taxed another country accepted international practice tax years question example appellant worldwide income earned latin america taxed latin american countries method see ibid latin american wages however represented worldwide total latin american property worldwide total latin american sales less worldwide total see result roughly appellant worldwide income less half total allocated latin america california formula words half income appellant largest group subsidiaries allocated elsewhere state formula accordance international practice income taxed latin america california system allow income taxed second time california jurisdictions problem double taxation eliminated without either california international community changing basic tax practices california adopted method double taxation still exist differences application california colombia example might apply different accounting principles given intracorporate transfer types differences although presently tolerated international practice inherent system moreover reason suppose consistently favor one jurisdiction another international practice becomes refined differences likely resolved double taxation eliminated sum risk double taxation arise two ways present system arises california rejected accepted international practice favor tax structure fundamentally different basic assumptions uniform system double taxation also arise different jurisdictions despite agreement basic principles may differ application system two risks fundamentally different former double taxation inevitable avoided without changing system latter double taxation exists result disagreements application disagreements may unavoidable view need make individual judgments problems kind likely resolved international negotiation face present double taxation violates foreign commerce clause reject solution constitutional violation simply international system based principle uniformity necessarily uniform details operation ii acknowledges decision contrary federal government prefer ence taxing method adopted international community ante also appropriate standard assessing state rejection preference state tax variance federal policy violate one voice standard either implicates foreign policy issues must left federal government violates clear federal directive ante emphasis original concludes however california tax prevent federal government speaking one voice perceives relevant factual distinctions case japan line conclude california taxing plan violates second principle enunciated japan line despite factual distinctions seriously implicates foreign policy issues must left federal government first contends tax create automatic asymmetry ante emphasis original quoting japan line seems mean california tax result double taxation every case fundamental inconsistency two methods apportionment means double taxation inevitable since california jurisdiction wage rates property values sales prices relatively high double taxation logical expectation large proportion cases moreover recognized japan line ven slight overlapping tax problem might deemed de minimis domestic context assumes importance sensitive matters foreign relations national sovereignty concerned also relies fact taxpayer technically domestic corporation see ante several problems argument although appellant may taxpayer technical sense unquestioned california taxing income foreign subsidiaries even foreign governments indifferent overall tax burden american corporation legitimate grounds complain heavier tax calculated basis income corporations domiciled countries nothing else tax effect discouraging american investment countries argument even difficult accept one considers dilemma creates cases involving foreign corporations california attempts tax american subsidiary overseas company basis parent worldwide income result double taxation occurs see acceptable solution problem created analysis inapplicable case little doubt parent government offended state action international disputes even retaliation american corporations might expected thus seems inevitable tax found unconstitutional least extent applied foreign companies view invalidating tax limited extent also unacceptable leave california free discriminate delaware corporation favor overseas corporation permit discrimination without explicit congressional authorization suggests california impose tax burden appellant system simply raising general tax rate see ante although may true theory argument ignores political restraints make course infeasible appellant tax rate increased state forced raise rate corporations california wishes follow course see constitutional objection must accomplished political process corporations business california free voice objections finally attaches weight fact executive branch decided file amicus curiae brief opposition state tax ibid dismisses solicitor general memorandum chicago bridge iron caterpillar tractor despite fact directly point case currently pending see ante memorandum solicitor general makes clear beyond question executive branch believes imposition state tax apportioned combined worldwide business income unitary group related corporations including foreign corporations impairs federal uniformity area uniformity essential memorandum amicus curiae chicago bridge iron caterpillar tractor recognize government may change position time time see reason ignore view one case currently pending considering another case raises exactly issue solicitor general withdrawn memorandum supplemented anything taking contrary position long chicago bridge iron remains us must conclude government views accurately reflected solicitor general memorandum pending case sum none distinctions relies convincing california imposes tax flatly inconsistent federal policy prevents federal government speaking one voice field left federal government intrusion national policy foreign affairs permitted constitution iii japan line identified two constraints state tax international business must satisfy comply foreign commerce clause explicitly declared state tax contravenes either precepts unconstitutional view california tax us today violates requirements declare unconstitutional also appears attach weight view california unable simply adher one rule eliminate double taxation see ante california perspective however rule avoids foreign commerce clause problems clearly exists state simply base apportionment calculations appellant income reported federal return sum calculated method thus consistent international practice federal policy double taxation avoided extent possible international negotiation conducted federal government california need concern details international allocation apportion american income using formula although foreign countries wage rates property values sales prices higher california appellant principal subsidiaries operate countries similarly double taxation entire international community adopted california method formula apportionment different jurisdictions might apply different accounting principles determine wages property values sales indeed system calls exercise judgment leaves possibility double taxation well illustrated protests federal government already received principal trading partners several reprinted discussed papers see app brief committee unitary tax amicus curiae canada france kingdom european economic community app brief international bankers association california et al amici curiae chicago bridge iron caterpillar tractor pp japan memorandum amicus curiae chicago bridge iron caterpillar tractor number foreign governments complained officially unofficially apportioned combined method creates irritant commercial relations retaliatory taxation may ensue app kingdom canada california course free tax corporations heavily taxes corporations state raise tax rate appellant alone even corporations engaged foreign commerce without facing constitutional challenges equal protection commerce clause chicago bridge iron might noted case state tax imposed american parent corporation relies absence clear federal directive see ante light government position stated solicitor general memorandum see supra absence formal statement view entitled little weight