florida avocado growers paul argued january decided may together paul director department agriculture california et al florida lime avocado growers et also appeal appellants engaged business growing packing marketing florida avocados interstate commerce sued federal district enjoin appellees state officers california enforcing california agricultural code prohibits transportation sale california avocados containing less oil weight florida avocados certified mature federal regulations issued federal agricultural marketing agreement act contended california statute applied unconstitutional supremacy clause must deemed displaced federal standard determining maturity avocados grown florida application florida avocados denied appellants equal protection laws violation fourteenth amendment application unreasonably burdened discriminated interstate marketing florida avocados violation commerce clause district convened hear case denied injunction ground proofs establish application florida avocados violated provision federal constitution held section invalid supremacy clause neither actual conflict two schemes regulation stand area evidence congressional design preempt field pp present record demonstrates inevitable collision two schemes regulation despite dissimilarity standards pp subject matter california regulation concerned health safety one traditionally within scope power prevent deception consumers retail marketing foodstuffs pp neither terms history federal agricultural marketing agreement act discloses congressional intent displace traditional state powers regulate retail distribution agricultural commodities pp section violate equal protection clause fourteenth amendment work irrational discrimination persons groups persons findings district respect effect upon interstate commerce reviewed substantial uncertainty content record findings predicated therefore judgment reversed respect case remanded district new trial appellants contentions unreasonably burdens discriminates interstate commerce florida avocados pp since appellants showed sufficient injury warrant least trial allegations district properly refused dismiss complaint want equity jurisdiction pp isaac ferguson argued cause filed briefs appellants appellees john fourt deputy attorney general california argued cause appellees appellants briefs stanley mosk attorney general lawrence doxsee deputy attorney general william norris justice brennan delivered opinion section california agricultural code gauges maturity avocados oil content prohibits transportation sale california avocados contain less per cent oil weight excluding skin seed contrast federal marketing orders approved secretary agriculture gauge maturity avocados grown florida standards attribute significance oil content case presents question constitutionality california statute insofar may applied exclude california markets certain florida avocados although certified mature federal regulations uniformly meet california requirement oil appellants growers handlers avocados florida brought action district northern district california enjoin enforcement florida avocados certified mature federal regulations appellants challenged constitutionality statute three grounds supremacy clause art vi california standard must deemed displaced federal standard determining maturity avocados grown florida application california statute avocados denied appellants equal protection laws violation fourteenth amendment application unreasonably burdened discriminated interstate marketing avocados violation commerce clause art district initially dismissed complaint supp direct appeal held florida lime avocado growers jacobsen suit one presented justiciable controversy tried merits trial denied injunction enforcement ground proofs establish application avocados violated provision federal constitution supp district held several reasons supremacy clause operate displace actual conflict existed statute federal marketing orders neither agricultural act marketing orders occupied field exclusion state statute congress ordained federal marketing order give license florida producers market avocados without inspection compliance federal maturity test rather observed federal law cover whole field interstate shipment avocados necessary implication leaves regulation certain aspects distribution district found violation equal protection clause california statute applicable identical terms florida california producers reasonably designed enforce traditional legitimate interest state california protection california consumers district concluded finally unreasonably burden discriminate interstate commerce avocados oil content test served practice keep california grocers shelves fruit unpalatable prematurely picked holding rested part conclusion mature florida fruit shown incapable attaining oil content since small fraction florida avocados certain varieties fact failed meet california test parties brought appeals district judgment florida growers urge erred enjoining enforcement state statute avocados california state officials appeal ground action dismissed want equity jurisdiction rather upon merits noted probable jurisdiction appeals affirm judgment respect challenged agree appellants sustained challenges supremacy equal protection clauses however reverse remand new trial insofar judgment sustains appellants challenge statute grounded commerce clause hold effect statute upon interstate commerce determined record us california statute enacted like federal marketing regulations applicable appellants statute sought ensure maturity avocados reaching retail markets district found sufficient evidence marketing immature avocados created serious problems california avocado picked prematurely ripen properly tend decay shrivel become rubbery unpalatable purchase retail consumers even experienced grocers difficulty distinguishing mature avocados immature physical characteristics alone thus district concluded marketing immature avocados cheats consumer adversely affects demand orderly distribution fruit federal marketing regulations adopted pursuant agricultural adjustment act et seq declared purposes act restore maintain parity prices benefit producers agricultural commodities ensure stable steady flow commodities consumers establish maintain minimum standards quality maturity effectuate orderly marketing agricultural commodities public interest whenever finds promote declared policies secretary empowered upon notice hearing adopt federal marketing orders regulations particular growing area orders thus proposed secretary become effective approved majority growers producers concerned proceedings compliance statute fed reg secretary promulgated orders governing marketing avocados grown south florida orders established avocado administrative committee composed entirely south florida avocado growers handlers cfr committee authority draft recommend secretary various marketing regulations governing quality maturity south florida avocados maturity test south florida fruit based upon schedule picking dates sizes weights annually drafted recommended committee promulgated secretary regulations forbid picking shipping fruit prescribed date although exemption schedule may granted committee regulations drafted committee promulgated secretary concern qualities physical characteristics florida avocados besides maturity see fed reg cfr regulated avocados including shipped exemptions must inspected compliance certain quality standards inspection service joint authority supervised florida departments agriculture almost avocados commercially grown come either southern california south florida varieties chiefly mexican ancestry years contain least oil content mature several florida species contrast west indian guatemalan ancestry west indian avocados constitute total florida production may contain somewhat less oil mature ready market district found attain percentage oil past prime variety need concern us case since district concluded sufficient evidence poor shipping qualities short retail store make commercially unprofitable regardless oil test market variety california hand florida hybrid guatemalan varieties encounter handicaps may reach maturity attain oil content district concluded nevertheless unreasonably interfere marketability since species attain exceed oil content prime commercial marketing condition california test scientifically valid applied varieties experts testified trial disputed whether california test federal marketing orders test picking dates minimum sizes weights accurate gauge maturity avocados adopting calendar test maturity varieties grown south florida secretary expressly rejected physical chemical tests insufficiently reliable guides gauging maturity florida fruit consider first appellants challenge supremacy clause california statute federal marketing orders embody different maturity tests clear however difference poses rather disposes problem us whether state may constitutionally reject commodities federal authority certified marketable depends upon whether state regulation stands obstacle accomplishment execution full purposes objectives congress hines davidowitz test hold obstacle neither actual conflict two schemes regulation stand area evidence congressional design preempt field begin putting aside two suggestions appellants obscure aid solution problem first suggested federal license certificate compliance minimum federal standards immunizes licensed commerce inconsistent demanding state regulations suggestion draws support decisions invalidated direct state interference activities interstate carriers castle hayes freight lines even field paramount federal concern suggestion significantly qualified huron portland cement detroit kelly washington cf bradley public utilities state may completely exclude federally licensed commerce indisputable principle application case second suggested coexistence federal state regulatory legislation depend upon whether purposes two laws parallel divergent one hand sustained state statutes objectives virtually identical federal regulations california zook cf de veau braisted parker brown hand struck state statutes respective purposes quite dissimilar first iowa cooperative federal power test whether federal state regulations may operate state regulation must give way whether regulations enforced without impairing federal superintendence field whether aimed similar different objectives principle derived decisions federal regulation field commerce deemed preemptive state regulatory power absence persuasive reasons either nature regulated subject matter permits conclusion congress unmistakably ordained see huron portland cement detroit supra holding federal exclusion state law inescapable requires inquiry congressional design compliance federal state regulations physical impossibility one engaged interstate commerce cf union bridge morgan virginia bibb navajo freight lines situation example federal orders forbade picking marketing avocado testing oil california test excluded state avocado measuring less oil content impossibility dual compliance presented record however florida avocados hybrid guatemalan varieties actually rejected california test district indicated florida growers might avoided rejections leaving fruit trees beyond earliest picking date permitted federal regulations nothing record contradicts suggestion lack evidentiary support district finding florida varieties marketed california attain exceed oil content prime commercial marketing condition even though may mature enough acceptable prior time reach content thus present record demonstrates inevitable collision two schemes regulation despite dissimilarity standards issue head supremacy clause narrowed either nature subject matter namely maturity avocados explicit declaration congressional design displace state regulation require yield federal marketing orders maturity avocados seems inherently unlikely candidate exclusive federal regulation certainly subject nature admitting national supervision cf cooley board port wardens subject demanding exclusive federal regulation order achieve uniformity vital national interests cf san diego building trades council garmon contrary maturity avocados subject matter kind traditionally regarded properly within scope state superintendence specifically supervision readying foodstuffs market always deemed matter peculiarly local concern many decades ago example sustained state prohibition importation artificially colored oleomargarine posed health problem claims federal preemption burden commerce course opinion recognized always possessed legitimate interest protection people fraud deception sale food products retail markets within borders plumley massachusetts see also crossman lurman hygrade provision sherman savage jones true recently sustained federal statute broadly regulating production renovated butter scrupulous pointing state might nevertheless least absence express contrary command congress confiscate exclude market processed butter complied federal processing standards higher standard demanded state consumers state regulation purposed affirmed permissible authorities cloverleaf butter petterson distinction fundamental one illumines delineates problem present case federal regulation means minimum standards picking processing transportation agricultural commodities however comprehensive purposes regulation may import displacement state control distribution retail sale commodities interests consumers commodities within state thus florida may perhaps prevent exportation federally certified fruit superimposing higher maturity standard nothing cloverleaf forbids california regulate marketing congressional regulation one end stream commerce ipso facto oust state regulation end displacement may inferred automatically fact congress regulated production packing commodities interstate market mean suggest certain local regulations may unreasonably arbitrarily burden interstate commerce consider question separately infra pp concerned whether partial congressional superintendence field maturity purpose introduction florida fruit stream interstate commerce automatically forecloses regulation maturity another state interests state consumers fruit correctness district conclusion regulation well within scope california police powers thus clear conceded california statute health measure neither logic precedent invites distinction state regulations designed keep unhealthful unsafe commodities grocer shelves designed prevent deception consumers see hygrade provision sherman supra plumley massachusetts supra nothing appearing record us affords ground departure case consistent refusal draw distinction since irreconcilable conflict federal regulation requires conclusion displaced turn question whether congress nevertheless ordained state regulation shall yield settled mandate governing inquiry deference fact state regulation kind exercise historic police powers decree federal displacement unless clear manifest purpose congress rice santa fe elevator words conclude congress legislated ouster california statute marketing orders absence unambiguous congressional mandate effect search vain mandate provisions objectives agricultural adjustment act bear little resemblance last term found preemptive design campbell hussey federal tobacco inspection act involved case congress declared uniform standards classification inspection imperative protection producers others engaged commerce public interest therein legislative history replete references need uniform official standards harmonize grading inspection tobacco markets throughout country statute single set standards promulgated secretary agriculture standards established official standards purpose sess nothing language agricultural adjustment act passed congress next day discloses similarly comprehensive congressional design one provision statute intimates purpose make agricultural production controls monitors retail distribution reference policy establishing minimum standards quality maturity grading inspection requirements effectuate orderly marketing public interest language said without reveal design federal marketing orders displace state regulations terms fact statute purports establish minimum standards provisions act history militate even strongly federal displacement state regulations first adoption marketing agreements orders authorized secretary determined economic conditions within particular growing area require federally supervised cooperation among growers alleviate conditions moreover relief afforded growers temporary secretary directed cease exercising powers circumstances described longer exist sess consistently terms secretary characterized marketing agreements essentially programs instituted administered farmers involved view recently elaborated secretary act impose regulations marketing agricultural commodity merely provides authority industry develop regulations fit situation solve marketing problems department agriculture marketing agreements orders rev ed see also department agriculture agricultural adjustment third factor strongly suggests congress mandate uniformity marketing order arises legislative history provisions concerning limited duration local application marketing agreements received much attention house senate committees reporting bill though recognizing powers conferred upon secretary novel extensive committees concluded restrictive provisions adequately drawn guard fear regulatory power broad subject exercise risk abuse sess sess committee reports also discussed authorized cooperation administration program cautioned significantly notwithstanding authorization cooperation contained section nothing permit require federal government invade field limitations act constitution forbid federal regulation field provision indicate contrary anything provision force cooperate sovereignty operates sphere exert authority conformity rather conflict sess sess examination operation particular marketing orders reinforces conclusion reach analysis terms objectives statute regulations show florida avocado maturity standards drafted year impartial experts washington even florida rather south florida avocado administrative committee consists entirely representatives growers handlers concerned appears secretary agriculture invariably adopted committee recommendations maturity dates sizes weights thus pattern emerges one maturity regulations drafted administered locally growers representatives designed promote orderly competition among south florida growers case requires consideration scope constitutional power congress oust state regulation maturity intimate view upon question enough decide aspect present case conclude congress attempted oust displace state powers enact regulations embodied plausible inference legislative scheme congress contemplated state power enact regulations remain unimpaired ii turn appellants arguments equal protection commerce clauses enough dispose equal protection claim express agreement district state standard work irrational discrimination persons groups persons goesaert cleary cf railway express agency new york may well arguably superior tests maturity devised say derogation findings district possibility renders choice made california either arbitrary devoid rational relationship legitimate regulatory interest whether oil content test reliable indicator marketability avocados question courts decide sufficient record conclude oil content appears acceptable criterion avocado maturity difficult claim california statute unreasonably burdens discriminates interstate commerce application excluded florida avocados state although florida california competitors avocado production statute passed present record permits inference california statute discriminatory objective nevertheless may continued application regulation florida avocados imposed unconstitutional burden commerce discriminated another state exports particular commodity state regulations raising similar problems found discriminatory burdensome notwithstanding legitimate state interest form regulation either exceeded limits necessary vindicate interest dean milk madison unreasonably favored local producers expense competitors baldwin seelig state regulation might also constitute illegitimate attempt control conduct producers beyond borders california cf bibb navajo freight lines supra southern pacific arizona district referred precedents nevertheless concluded california oil content test burdensome upon discriminatory interstate commerce however unable review conclusion decide whether properly applied principles announced decisions ascertain constituted record conclusion predicated much appellants offered proof consisted depositions exhibits designed detail rejection florida avocados california oil content florida avocados met federal test might nonetheless excluded california markets parties assumptions concerning content record irreconcilable conflict appellants argued case apparent assumption depositions exhibits admitted district appellees hand assumed briefs oral argument disputed evidence admitted lack consensus altogether understandable light confusion created district evidentiary rulings appellees objected introduction disputed materials several grounds trial expressly reserved rulings issue admissibility entry order merits case made supplemental ruling evidentiary matters stated disputed exhibits depositions admitted evidence considered offer proof plaintiffs earlier memorandum explained assume arguendo exhibits depositions offered plaintiffs admissible intended mean appellants made case relief even evidence admitted need rule admissibility unable determine parties unable agree whether district viewed evidence posture thus evidence seem support injunction ground burden interstate commerce never formally admitted record case reverse order injunction basis evidence effect admit contested depositions exhibits appeal without ever affording appellees opportunity argue seemingly substantial objections assume admissibility evidence circumstances deny appellees day disputed part case trial never ruled view law evidently made ruling unnecessary cf byrd blue ridge rural electric cooperative fountain filson globe liquor san roman hand affirm district require us make equally impermissible assumptions state record cf florida reasons conclude judgment must extent appealed reversed case remanded district new trial appellants commerce clause contentions intimate view respect either admissibility probative value disputed evidence evidence might brought forth either party concerning aspect case iii state officers ground district dismissed action want equity rather lack merit contention insufficient showing injury florida growers invoke district equity jurisdiction reject contention affirm judgment insofar challenged florida lime avocado growers jacobsen held florida growers allegations california officials consistently condemned florida avocados unfit sale california thus requiring appellants florida growers prevent destruction complete loss shipments reship avocados sell evident existing dispute parties present legal rights amounting justiciable controversy appellants entitled determined merits view mandate jacobsen therefore district necessarily assumed jurisdiction heard case merits cf haley even present ambiguous record think florida growers demonstrated sufficient injury warrant least trial allegations california officials briefs conceded florida growers suffered damage amount reason enforcement statute bar conceded state objecting growers proffered evidence dispute claim shipments florida avocados fact rejected california failure comply oil content requirement indeed state conceded pleadings trial rejections florida avocados averaged recent years much total shipments florida fruit california concessions corroborated statistical proofs trial thus form adequate basis entry final injunction nevertheless supplied adequate basis apart requirement remand district proceeding trial merits addition clear california officials continue enforce statute avocados state answer complaint declared officials past stand ready perform duties oath office acquire knowledge violations agricultural code state california thus district pleadings light opinion jacobsen properly heard remanded case merits err refusing dismiss want equity jurisdiction rely upon finding fact laintiffs neither suffered threatened irreparable injury finding however adopted pursuant prior opinion stated laintiffs monetary losses result rejected shipments clearly established appear two three thousand dollars read finding importing district view whatever harm damage florida growers might suffered fell short irreparable injury requisite entry injunction enforcement statute judgment district reversed cause remanded new trial limited appellants claim enforcement unreasonably burdens discriminates interstate commerce respect challenged judgment affirmed ordered footnotes orders approved secretary pursuant agricultural adjustment act basic marketing agreement provisions initially adopted substantially present form amendments agricultural adjustment act stat sections reenacted stat agricultural marketing agreement act virtually unchanged concerning reasons reenactment extent changes see department agriculture agricultural adjustment evidence record concerning actual effect california maturity test upon florida avocados sketchy best appellants introduced one witness marketing expert department agriculture testified concerning relative scientific merits federal california maturity tests gave testimony concerning actual impact california regulation upon shipments florida one appellees witnesses trial made cursory references fact california inspectors rejected excluded florida shipments testimony concerning dates quantities rejections motion dismissal accompanying affidavit district appellees presented certain figures concerning percentage florida avocados failed comply california regulation years however neither data years statistical proof trial corroborate summary figures see roche regulations marketing avocados california california avocado assn yearbook concerning purpose california statute contended purpose statute ensure certain caloric nutritional value avocados reach consumer health issue raised case see see also church chace changes composition california avocados growth dept agriculture bull hodgson california avocado industry calif agricultural extension service circular hodges immature avocado selling illegal pacific rural press apr discussion particular problems encountered marketing immature avocados california see roche supra note nature avocado ripening process make difficult expert gauge maturity avocado may appear satisfactory time purchase may later fail ripen properly prematurely picked see ruehle florida avocado industry univ agr expt stations bull avocado maturity tests california citrograph roche look immature avocados california cultivator church chace supra note order applicable avocados grown south florida growing area california growers adopted federal marketing order agreement findings department agriculture contained order determining terms contained avocado regulations marketing immature fruits increases consumer resistance materially impairs marketing entire crop satisfactory physical chemical test determining maturity maturity satisfactorily determined method handling avocados grown south florida fed reg year since secretary issued maturity regulations fixing dates upon variety florida avocados may picked shipped see fed reg section regulations cfr provides exemption certificate shall granted grower furnishes proof satisfactory committee avocados particular variety mature prior time variety may handled regulation certificate authorizes recipient handle certified fruit sell consign deliver transport avocados within production area production area point outside thereof cfr see traub et avocado production dept agriculture circular occasionally however even california growers experienced difficulty meeting oil content requirement sizable shipments destroyed see demand avocados california cultivator roche look immature avocados california cultivator california avocado assn yearbook compare hodgson california avocado industry calif agricultural extension service circular see fed reg compare harding relation maturity quality florida avocados florida state horticultural society proceedings true statute involved cloverleaf case provided federal law intended displace state laws enacted exercise police powers stat proviso presumably intended recognize explicitly accommodation federal state interests congress decisions consistently adhered deference state regulation rest upon congressional proviso rather simply considered proposition state may impose upon imported foodstuffs higher standard demanded consumers might also argued california statute designed test maturity california avocados bears rational relationship marketability florida fruit contention seem untenable however face district express finding fact supportable testimony standard requiring minimum oil avocado may marketed scientifically valid applied hybrid guatemalan varieties avocados grown florida marketed california considerable dispute oil content florida avocados certified mature federal regulations see note infra marketing agreement provisions enacted among amendments agricultural adjustment act stat amendments accepted congress day following enactment tobacco inspection act stat although manager avocado administrative committee stated deposition neither formally admitted excluded district secretary occasionally rejected orders recommended committee insisted maturity regulations secretary always followed committee recommendations significant regard essentially local nature orders administration testimony deposition admissibility district rule supervising inspector fruits vegetables federal state agricultural inspection service south florida district regulations time time subject change direction avocado administrative committee whenever change biggar manager avocado administrative committee immediately furnishes inspection service copies effective rules changes times change change first man get changed regulations see inspectors get revised regulations issued avocado administrative committee evidence avocado marketing agreement undertaken chiefly program designed regulate south florida production ensure maturity produce growing area see krome federal avocado marketing agreement florida state horticultural society proceedings compare nav washington mcdermott wisconsin see generally note federal inspection legislation partial remedy interstate trade barriers harv rev occasion consider possible applicability supremacy clause issue provisions since neither party made reference statute either district district assumed california growers faced meaningful competition florida growers appears however florida industry well developed california industry infancy see collins avocado salad fruit tropics dept agriculture bureau plant industry bull appear vigorous competition florida california producers markets see popenoe avocado california florida california cultivator years florida production exceeded california see traub supra note see generally hodgson supra note passage california statute immediately vigorously protested florida producers senator florida filed informal complaint department agriculture see california avocado law unfair florida new pacific coast maturity standards practically ban shipments state florida grower pp see also even california contemporaneous recognition passage statute severely restricted access florida growers markets least northern california see hodgson florida avocado industry survey ii california cultivator june pp see american fruit grower hand suggestions neither adoption application california statute reflected discriminatory anticompetitive purpose years california growers experience great difficulty meeting oil content requirement sizable shipments must destroyed see demand avocados california cultivator roche look immature avocados california cultivator california avocado yearbook even though oil content mature california avocados good years runs substantially see traub supra note moreover california growers association regarded ability market florida fruit months california fruit available strengthening rather weakening market position see fourteenth annual report general manager calavo growers california plainly questions indicated conflicting materials resolved trial fully developing commerce clause issue close trial two three members offered inconsistent views appellees counsel asked clarification concerning status appellants disputed depositions exhibits one member replied objections stand every word depositions another responded hey evidence subject objections rule makes ruling case necessary specifically appellees offered show measuring oil content avocados florida experimental test procedures employ equipment used california former contended extracting less oil california equipment obtain avocado claimed average variation amounted failure florida equipment remove oil fruit florida results erratic addition appellees asserted avocados used florida experiments representative graded sized inspected fruit appellants normally market justice white justice black justice douglas justice clark join dissenting second time case come florida lime avocado growers jacobsen case review dismissal complaint want jurisdiction reversed remanded trial case merits district refused enjoin appellee state officers enforcing california agricultural code appellant growers supp probable jurisdiction noted view disposition matter today probable case like revenant return us within another terms still copious record appellants grow package market florida avocados interstate commerce subject applicable provisions agricultural adjustment act amended regulations secretary agriculture promulgated thereunder average florida avocados shipped california year barred failure satisfy requirements california agricultural code provides pertinent part avocados time picking times thereafter shall contain less per cent oil weight avocado excluding skin seed appellants based claim relief upon equal protection clause fourteenth amendment commerce clause supremacy clause since minority concluded agricultural adjustment act regulations promulgated thereunder leave room inconsistent conflicting state legislation reach supremacy clause issue california statute enacted according district practically avocados came state purpose legislation prevent marketing immature avocados never ripen properly decay shrivel become rubbery unpalatable purchase consumer ibid effect marketing immature avocados cheat consumer thus bad economic effect upon retailers producers whole since increases future sales resistance buying avocados state law enacted avocados grown california present time trees derived mexican varieties avocados contain least oil mature florida avocado growers however substantial competitors california growers depend substantial part trees parentage florida avocados involved hybrid guatemalan varieties may reach maturity acceptable marketing least federal standards prior reaching oil content expert opinion effect best gauge maturity percentage oil contained fruit california adopted test also expert opinion best test maturity date fruit picked size weight time ibid secretary agriculture adopted test measuring maturity avocados ripening specifically rejected unsatisfactory physical chemical tests handling avocados grown south florida fed reg dept agr dkt district found california oil test latter type agricultural adjustment act provides whenever secretary reason believe issuance order tend effectuate declared policy act establish maintain minimum standards quality maturity fruit interstate commerce effectuate orderly marketing agricultural commodities public interest shall give notice hold hearing upon proposed order case fruits provides secretary may limit provide methods limitation quality produce may marketed transported markets current interstate foreign commerce affecting commerce specified period orders proposed secretary statute become effective approved majority affected growers see secretary held hearings found majority south florida avocado growers favored imposition quality maturity standards avocados pursuant marketing order promulgated act fed reg order amended cfr formerly establishes avocado administrative committee comprised south florida avocado growers shippers power recommend marketing regulations secretary relating quality maturity standards prohibiting marketing substandard fruits specifically contemplated maturity standards based schedule tests rejected unsatisfactory section provides exemption regular regulations allowed portions avocado crops particular varieties proved mature prior prescribed picking date regulated avocados including exemption certificates must inspected inspection service department agriculture florida department agriculture joint service certified meeting prescribed quality maturity standards may marketed various times regulations governing florida avocados issued include specific quality standards see fed reg cfr quality standards require fruit mature grades avocados case main order refer oil content since year secretary issued maturity regulations fixing dates minimum sizes various varieties florida avocados may packed shipped regulations recommended committee pursuant cfr approved secretary consideration modification necessary cfr published federal register force law california standard oil johnson maryland cas ii ultimate question whether california law may validly apply florida avocados secretary inspector says mature federal scheme minority believe view california law stands obstacle accomplishment execution full purposes objectives congress hines davidowitz central unavoidable fact six every florida avocados certified mature federal standards turned away california markets immature excluded state application maturity test different federal measure congress empowered secretary provide orderly marketing avocados specify quality maturity avocados transported interstate commerce markets although secretary determined florida avocados mature federal standards fit sale interstate markets state california determined unfit sale applying test type secretary determined unsatisfactory think state law erected substantial barrier accomplishment congressional objectives hesitate strike california statute state regulation touched phase subject matter reached federal law claim nevertheless made complementary state regulation preempted compare campbell hussey savage jones secretary promulgated comprehensive pervasive regulatory scheme determining quality maturity florida avocados pursuant statutory mandate effectuate orderly marketing agricultural commodities prescribes minute detail standards size appearance shape maturity avocados inspection procedures violation regulations criminal civil sanctions provided gap exists regulatory scheme warrant state action prevent evils land least relation issues presented case compare international union wisconsin board aspects avocado maturity omitted federal regulations additional state regulation supplement federal regulation pro tanto supplant another scheme thereby compromising degree congressional policy expressed act contrast parker brown upon appellees seek rely federal agricultural regulatory scheme partial incomplete contended agricultural adjustment act force preempted application california agricultural prorate act held since marketing order concerning affected commodities promulgated since act policies therefore must deemed secretary effectuated entry field followed preemption evident therefore marketing act contemplates existence state programs least time secretary shall establish federal marketing program case bar course secretary entered field comprehensive regulatory program state program conflicts california statute distinctive interest state different one federal scheme protects compare huron detroit union brokerage jensen health interest question district recognized purely economic one marketing immature avocados ripen properly purchase consumer instead shrivel decay substantial adverse effect consumer demand avocados according testimony appellees expert california department agriculture deemed necessary representatives industry due deplorable marketing conditions sale immature avocados severely damaging reputation industry providing consumers undesirable avocado fruits despite repeated suggestions effect opinion indication state regulatory scheme purpose protecting good avocado industry protecting health preventing deception public unless purely incidental similar findings damage industry growers marketed immature avocados contained department agriculture order preceded issuance federal regulations fed two regulatory schemes precisely purpose purely economic one seek achieve however applying different tests avocados also believe purpose objective congress marketing order promulgated authority call application uniform standards quality even absent total occupation field federal regulatory scheme see guss utah board gibbons ogden wheat lack uniformity tends obstruct commerce divide nation many markets produce accepted rejected different localities depending upon local vagaries flow commerce inevitably interrupted hindered diminished recognition need uniformity congress stated outset agricultural adjustment act declared disruption orderly exchange commodities interstate commerce destroys value agricultural assets support national credit structure burden obstruct commerce declared policy congress establish maintain minimum standards quality maturity grading inspection requirements agricultural commodities effectuate orderly marketing contention made negatives policy declaration uniformity sought act section directs secretary issue orders limited small geographic region practicable order insure due recognition accorded local conditions soil climate like provision recognizes uniformity flow commerce may necessary prevent burdens commerce produce nationwide uniformity may neither necessary desirable flow commerce may suggests secretary might find avocado growing regions different tests furnished convenient index maturity avocados follow premise statutory scheme permit equally varied standards nation various market places section contemplate regional variations comport statutory purpose may obstruct burden commerce admit avocados commerce diverse bases different parts country individual grower situation face one standard burden commerce frustrate congressional purpose grower faces different standards different markets slip permissible nonuniformity one end stream commerce permissible nonuniformity end thus read statute casually gloss congressional purpose expressly facilitate marketing transportation markets current interstate commerce also suggested use term minimum standards indicates lack desire uniformity reads much phrase commonplace appropriate federal regulatory agency adopts minimum standards balance satisfy needs subject matter without disproportionate burden regulatees balance struck upset imposition higher local standards see example southern railroad cumulative operation strict local law continued circumstances despite congressional balance struck congress provided express terms example rice board trade noted federal statute provided nothing section section shall construed impair state law applicable transaction enumerated described sections see effect plumley massachusetts cloverleaf patterson nothing act marketing order legislative history shows congressional intention accommodate permit state controls inconsistent federal law marketing orders issued thereunder authorization contained seek cooperation state authorities pursuit goal uniform standards quality maturity carries implication state standards contrary federal stand secretary directed defer state fact work cooperative scheme state florida avocados involved case grown avocados california rejected jointly inspected federal state authorities applying standards order move mature avocados stream interstate commerce read authorization secretary cooperate direction cooperate regulatory scheme defer state directly affected marketing order every state avocados might sold clearly frustrate federal purpose orderly marketing avocados interstate commerce appellees majority appears suggest construe limiting power secretary issuance marketing orders complementary inconsistent state regulation suggestion secretary cooperate viewed similar authorization government official rice chicago board trade statute provided secretary agriculture may cooperate department agency government state political subdivision thereof unanimous remarked provision supported inference congress design regulatory system excluded state regulation conflict federal requirements careful note quite different matter illinois commission adopted rules board either violated standards act collided rules secretary conflict federal state law unmistakable secretary asserts certain florida avocados mature state law rejects immature conflict matter central importance federal scheme elaborate regulatory scheme marketing order focused upon problem moving mature avocados interstate commerce maturity regulations peripheral aspects federal scheme compare international assn machinists gonzales contrary department agriculture order preceded issuance avocado regulations found marketing immature avocados one principal problems principal problem faced industry regulations adopted solve problem demoralizing industry fed conflict involved case therefore properly deemed contingent remotely related policy purpose act call requiring inconsistent state scheme defer accommodated federal one california nevertheless argues permitted apply oil test cumulatively federal test insure mature avocados offered markets accepts contention proposition name cloverleaf butter patterson uncited authorities appear nonexistent ante least three answers contention first ignores limitations oil test applied inherently less oily florida avocados district indicated acceptable prior time reach content applied california avocados oil figure leaves ample tolerance individual variation otherwise applied less oily florida varieties second argument federal test unsatisfactory california test better one appear view reliance higher standard case means accurate standard one asserts avocados less highly mature others therefore ripen less fully must remembered secretary congress delegated power made legislative finding order adopting method determining maturity specifically rejecting physical chemical tests california type finding impeached collaterally proceeding adopting one maturity test rather another legislative judicial choice validity determined weighing judicial scales merits legislative choice rejecting weight evidence presented appears favor different standard south carolina highway dept barnwell see security administrator quaker oats carolene products neither california place wisdom congress delegate third congress limit interest picking avocados even transportation commerce markets expressly declared intention regulate maturity quality produce may marketed interstate markets congress sought regulate marketing beginning end stream commerce order eliminate impediments part stream ignores plain words statute concluding california law frustrate federal scheme even california oil test acceptable test maturity florida avocados secretary found cumulative application test solely purpose second check maturity florida avocados solely catch possible errors federal scheme prove particular avocados actually tested thereby destroyed immature justify rejection whole lots samples came florida avocados subjected test alternatives leave california market california producers least producers mexican varieties else order avoid hazard rejection leave florida avocados trees past normal federally prescribed picking date thereby shortening marketing period thus frustrating federal scheme aimed moving avocados mature federal standards interstate markets reasonable balancing state federal interests stake requires former give way insubstantial warrant frustration congressional purpose case federal regulatory scheme comprehensive pervasive without hiatus state regulations fill subject matter statute call uniformity conflict substantial least six every federally certified avocados barred failure pass california test located central portion federal scheme effect conflict disrupt burden flow commerce sale florida avocados distant markets contrary congressional policy underlying act state may legitimate economic interest subject matter adequately served federal regulations interest slightly impaired supersession circumstances state law give way becomes inoperative federal legislation exclusive application cloverleaf patterson accord mcdermott wisconsin hill florida conclusion inescapable california law obstacle accomplishment execution congressional purposes objectives california law agricultural adjustment act supplemented regulations promulgated thereunder reconciled consistently stand together allow avocados certified mature federal marketing order embargoed state thinks immature therefore reverse instructions grant injunction requested question case whether california oil content law keeps california florida avocados pass federal test motion dismiss accompanying sworn affidavit appellee state officers gave average rejection figure per year period basing percentage official records california department agriculture rejections reached high season hard understand refusal consider figures way entered record see ante believe appellees sworn statements state official records properly event come record shortly since clear remand data come via deposition majority actually doubt score believes accepting fact california rejects six every florida avocados immature effect result remand findings preemption burden commerce papers opinion district reveal appellants shipments california rejected failure attain oil content required california law record silent terrorem effect california law interstate commerce florida avocados therefore consider avocados meeting standard may sold california declared public nuisance may seized condemned abated violators may punished criminally civil penalty action see ante contended purpose minimum oil content requirement purpose insuring high caloric nutritional content fruit health issue raised case cf contended stage proceedings statutory purpose directly protect local consumers fraudulent deceptive practices moreover evidence support view mexican varieties avocados contain generally speaking highest oil content varieties mature hybrid varieties attain next highest oil percentages west indian lowest hybrid varieties generally attain oil content excess left trees long enough necessarily attain oil content time may marketed florida avocado order mature enough acceptable prior time reach content according plaintiffs witnesses appear theoretically feasible determine proper oil content gauge maturity different variety avocado highly impracticable district pointed varieties avocado marketed florida findings department agriculture contained order determining terms contained avocado regulations marketing immature fruits increases consumer resistance materially impairs marketing entire crop satisfactory physical chemical test determining maturity maturity satisfactorily determined method handling avocados grown south florida fed reg dept agr dkt california statute similar federal law california marketing act cal agr code allows director agriculture promulgate marketing orders majority affected handlers producers assent purpose act restore maintain adequate purchasing power california agricultural producers establish orderly marketing provide uniform grading develop new larger markets maintain present markets produce grown within state eliminate trade barriers obstruct free flow produce market permit issuance marketing orders assure stabilized orderly distribution produce brock superior cal app director promulgated avocado marketing order upheld valid state courts child warne cal app cal rptr customary method administering marketing orders act see cfr case avocado order supra note department specifically determined appropriate method administer regulatory program fed section provides exemption shall granted procedural rules approved secretary section appear provide review particular determinations secretary taken party aggrieved thereby taken secretary sua sponte exemption allowed standards prescribed regulations quality container packaging grading labeling inspection inspection service standards set terms conditions advance release course required violation order punishable fine violations regulations may also made punishable secretary penalty exceed regulations others cfr govern exhaustive detail size shape avocados color skin condition stem length manner may shipped fed reg fed reg fed reg fed reg fed reg fed reg fed reg fed reg fed reg similar orders issued time time concerning maturity imported avocados see fed reg fed reg fed reg fed reg fed reg nature problem rigid formula rule used universal pattern determine meaning purpose every act congress considering validity state laws light federal laws touching subject made use following expressions conflicting contrary occupying field repugnance difference irreconcilability inconsistency violation curtailment interference none expressions provides infallible constitutional test exclusive constitutional yardstick final analysis one crystal clear distinctly marked formula primary function determine whether circumstances particular case pennsylvania law stands obstacle accomplishment execution full purposes objectives congress hines davidowitz emphasis added compare ante imply regulations governing fitness avocados terms maturity preclude application local regulations concerning example bacteria content ddt content cf huron detroit neither health regulation safety considerations cf lyons thrifty drug stores cal app involved case finding anything fraudulent deceptive unmarketable florida avocado mature enough introduced interstate commerce federal certificate evidencing quality compare plumley massachusetts quoted ante suggested gap federal scheme immature avocados may enter commerce bearing exemption certificate issued seemingly unfettered discretion growers committee contention omits requirement exemption normal provisions allowed avocados inspected proved mature satisfied special maturity tests prescribed procedures approved secretary fact avocados carry federal certificate maturity quality also omits secretary general review power regulatory determinations provided contention made actual abuses occurred exemption certificate provisions basis upon may anticipated suggested also came representation solicitor general amicus curiae department agriculture collaborated drafting state raisin program taken actions must taken expression opinion department agriculture state program consistent policies agricultural adjustment agricultural marketing agreement acts hence holding find conflict two acts state federal occupation legislative field mere adoption federal act without issuance order secretary putting effect preclude effective operation state act expressly declared occasion decide whether conclusion follow state program adopted collaboration officials department agriculture note california agricultural code contains provision similar federal director hereby authorized confer cooperate legally constituted authorities purpose obtaining uniformity administration federal state marketing regulations licenses orders said director authorized conduct joint hearings issue joint concurrent marketing orders purposes within standards set forth act may exercise administrative authority prescribed act effect uniformity administration regulation reasoning suggested us california law construed apply florida avocados marketed federal order see oil workers union missouri local wisconsin board pearson probate carey south dakota probably important single factor quality maturity fed extent contention understood limited authorities supporting higher standard consumers already indicated pp supra california law aimed consumer protection avocado grower protection avocado may remain hard perfect condition tree time reaching maturity fruit soften picked harvesting shipping fruit reached fullest possible degree maturity tree recommended seed may sprout fruit tree fruit may ripen rapidly harvesting shipped satisfactorily ruehle florida avocado industry univ agr expt sta bull wolfe toy stahl avocado production florida ruehle rev agr ext serv bull indication record many florida avocados kept california market prudence growers handlers voluntarily avoid risks california oil test advised whether adopted avocado legislation cumulative burden commerce increased event insubstantial figure terms restraints upon commerce suggested regulations involved simply schemes regulating competition among growers initiated administered growers shippers proposition way reasoned standards marketing program deemed preclude application state law conflicts interferes operation comprehensive federal marketing program simply part proposition overlooks however fact secretary regulations promulgated congressional authority also overlooks secretary extensive supervisory powers statutory duty insure regulations carried public interest case cited us indicates delegation regulatees power propose regulations first instance violates provision general law see parker brown sunshine anthracite adkins rock royal currin wallace johnson securities exchange see castle hayes lines first iowa coop federal power gibbons ogden wheat dumont labs carroll suggestion ante doctrine gibbons ogden limited carriers unwarranted view cases first iowa