national railroad passenger corporation morgan argued january decided june title vii civil rights act plaintiff shall file employment discrimination charge equal employment opportunity commission eeoc either days alleged unlawful employment practice occurred respondent morgan black male filed charge discrimination retaliation eeoc petitioner national railroad passenger corporation amtrak california department fair employment housing alleged subjected discrete discriminatory retaliatory acts experienced racially hostile work environment throughout employment eeoc issued notice right sue morgan filed lawsuit allegedly discriminatory acts occurred within days time morgan filed eeoc charge many took place prior time period district granted amtrak summary judgment part holding company liable conduct occurring outside filing period ninth circuit reversed holding plaintiff may sue claims ordinarily time barred long either sufficiently related incidents fall within statutory period part systematic policy practice discrimination took place least part within period held title vii plaintiff raising claims discrete discriminatory retaliatory acts must file charge within appropriate period charge alleging hostile work environment time barred acts constituting claim part unlawful practice least one act falls within filing period neither instance precluded applying equitable doctrines may toll limit time period pp strict adherence title vii timely filing requirements best guarantee evenhanded administration law mohasco silver state entity authorized grant seek relief respect alleged unlawful practice employee initially files grievance agency must file charge eeoc within days employment practice charge must filed within days operative statutory terms charge filing provision shall occurred unlawful employment practice hall makes act filing charge within specified time period mandatory ccurred means practice took place happened past requirement therefore charge filed practice occurred means litigant days unlawful practice happened file eeoc critical questions discrete discriminatory acts hostile work environment claims constitutes unlawful employment practice practice occurred answer varies practice pp party must file charge within either days date discrete retaliatory discriminatory act occurred lose ability recover morgan asserts term practice provides statutory basis ninth circuit continuing violation doctrine connotes ongoing violation endure recur period time argument unavailing however given explains great detail sorts actions qualify nlawful employment practices including among numerous discrete acts without indicating way term practice converts related discrete acts single unlawful practice timely filing purposes repeatedly interpreted term practice apply discrete act single occurence even connection acts several principals may derived electrical workers robbins myers air lines evans delaware state college ricks first discrete discriminatory acts actionable time barred even related acts alleged timely filed charges discrete act starts new clock filing charges alleging act charge must filed within period act occurred existence past acts employee prior knowledge occurrence however bar employees filing charges related discrete acts long acts independently discriminatory charges addressing acts timely filed statute bar employee using prior acts background evidence support timely claim addition time period filing charge remains subject application equitable doctrines waiver estoppel tolling see zipes trans world airlines morgan alleged suffered numerous discriminatory retaliatory acts date hired date fired acts occurred within applicable filing period actionable prior discrete discriminatory acts untimely filed longer actionable pp hostile work environment claims different kind discrete acts nature involves repeated conduct unlawful employment practice said occur particular day occurs series days perhaps years direct contrast discrete acts single act harassment may actionable see harris forklift systems determining whether actionable hostile environment claim exists requires examination circumstances including frequency discriminatory conduct severity whether physically threatening humiliating mere offensive utterance whether unreasonably interferes employee work performance question whether may purposes determining liability review conduct including acts occur outside filing period turns statutory requirement charge filed within certain number days alleged unlawful employment practice occurred claim composed series separate acts collectively constitute one unlawful employment practice matter component acts fall outside statutory time period provided act contributing claim occurs within filing period entire time period hostile environment may considered purposes determining liability act need last act subsequent events may still part one claim charge may filed later date still encompass whole therefore task determine whether acts employee complains part actionable hostile work environment practice whether act falls within statutory time period support hostile environment claim morgan presented evidence managers made racial jokes performed racially derogatory acts used various racial epithets although many acts occurred outside filing period said part actionable hostile environment claim pp holding leave employers defenseless plaintiff unreasonably delays filing charge filing period subject waiver estoppel equitable tolling equity requires zipes supra employer may raise laches defense plaintiff unreasonable delays filing result harms defendant see albemarle paper moody pp affirmed part reversed part remanded thomas delivered opinion stevens souter ginsburg breyer joined rehnquist scalia kennedy joined part filed opinion concurring part dissenting part rehnquist joined scalia kennedy joined part breyer joined part national railroad passenger corporation petitioner abner morgan writ certiorari appeals ninth circuit june justice thomas delivered opinion respondent abner morgan sued petitioner national railroad passenger corporation amtrak title vii civil rights act stat amended et seq ed alleging subjected discrete discriminatory retaliatory acts experienced racially hostile work environment throughout employment section ed requires title vii plaintiff file charge equal employment opportunity commission eeoc either days alleged unlawful employment practice occurred consider whether circumstances title vii plaintiff may file suit events fall outside statutory time period appeals ninth circuit held plaintiff may sue claims ordinarily time barred long either sufficiently related incidents fall within statutory period part systematic policy practice discrimination took place least part within limitations period reverse part affirm part hold statute precludes recovery discrete acts discrimination retaliation occur outside statutory time period also hold consideration entire scope hostile work environment claim including behavior alleged outside statutory time period permissible purposes assessing liability long act contributing hostile environment takes place within statutory time period application equitable doctrines however may either limit toll time period within employee must file charge february abner morgan black male filed charge discrimination retaliation amtrak eeoc california department fair employment housing morgan alleged time period worked amtrak consistently harassed disciplined harshly employees account race app pet cert eeoc issued notice right sue july morgan filed lawsuit october allegedly discriminatory acts morgan complained occurred within days time filed charge eeoc many took place prior time period amtrak filed motion arguing among things entitled summary judgment incidents occurred days filing morgan eeoc charge district granted summary judgment part amtrak holding company liable conduct occurring may conduct fell outside filing period employed test established appeals seventh circuit galloway general motors service parts operations plaintiff may base suit conduct occurred outside statute limitations unless unreasonable expect plaintiff sue statute ran conduct case conduct constitute recognized actionable harassment light events occurred later within period statute limitations district held ecause morgan believed discriminated time acts occurred unreasonable expect morgan filed eeoc charge acts limitations period claims ran app pet cert morgan appealed appeals ninth circuit reversed relying previous articulation continuing violation doctrine allows courts consider conduct ordinarily time barred long untimely incidents represent ongoing unlawful employment practice quoting anderson reno contrary seventh circuit test used district similar test employed fifth ninth circuit held precedent precludes notice limitation continuing violation doctrine ninth circuit view plaintiff establish continuing violation allows recovery claims filed outside statutory period one two ways first plaintiff may show series related acts one within limitations period ibid serial violation established evidence indicates alleged acts discrimination occurring prior limitations period sufficiently related occurring within limitations period ibid alleged incidents however isolated sporadic discrete ibid second plaintiff may establish continuing violation shows systematic policy practice discrimination operated part within limitations period systemic violation survive summary judgment test morgan raise genuine issue disputed fact existence continuing violation serial systemic continuation violation limitations period morgan alleged three types title vii claims namely discrimination hostile environment retaliation appeals considered allegations respect category claim separately found conduct sufficiently related conduct invoke continuing violation doctrine three therefore light relatedness incidents appeals found morgan ha sufficiently presented genuine issue disputed fact whether continuing violation existed district allowed events occurring period presented jury merely background information also purposes liability appeals reversed remanded new trial granted certiorari reverse part affirm part ii courts appeals taken various approaches question whether acts fall outside statutory time period filing charges set forth actionable title vii see supra lower courts offered reasonable albeit divergent solutions none compelled text statute context request alter timely filing requirements title vii stated strict adherence procedural requirements specified legislature best guarantee evenhanded administration law mohasco silver mohasco rejected arguments strict adherence similar statutory time filing charge unfair less literal reading act adequately effectuate policy deferring state agencies instead noted choosing obviously quite short deadlines congress clearly intended encourage prompt processing charges employment discrimination similarly salient source guidance statutory text title charge filing provision specifies precision prerequisites plaintiff must satisfy filing suit alexander individual must file charge within statutory time period serve notice upon person charge made state entity authority grant seek relief respect alleged unlawful practice employee initially files grievance agency must file charge eeoc within days employment practice charge must filed within days claim time barred filed within time limits purposes critical sentence charge filing provision charge section shall filed within one hundred eighty days alleged unlawful employment practice occurred emphasis added operative terms shall occurred unlawful employment practice hall makes act filing charge within specified time period mandatory see lexecon milberg weiss bershad hynes lerach mandatory shall normally creates obligation impervious judicial discretion ccurred means practice took place happened requirement therefore charge filed practice occurred tells us litigant days unlawful practice happened file charge eeoc critical questions constitutes unlawful employment practice practice occurred task answer questions discrete discriminatory acts hostile work environment claims answer varies practice take easier question first discrete retaliatory discriminatory act occurred day happened party therefore must file charge within either days date act lose ability recover morgan argues statute require filing charge within days discrete act language requires filing charge within specified number days unlawful employment practice practice morgan contends connotes ongoing violation endure recur period time see brief respondent morgan view term practice therefore provides statutory basis ninth circuit continuing violation argument unavailing however given explains great detail sorts actions qualify nlawful employment practices includes among practices numerous discrete acts see shall unlawful employment practice employer fail refuse hire discharge individual otherwise discriminate individual respect compensation terms conditions privileges employment individual race color religion sex national origin simply indication term practice converts related discrete acts single unlawful practice purposes timely filing cf providing attorney general may bring civil action pattern practice cases repeatedly interpreted term practice apply discrete act single occurrence even connection acts example electrical workers robbins myers employee asserted complaint timely filed date alleged unlawful employment practice occurred date conclusion grievance arbitration procedure rather earlier date discharge discharge contended tentative nonfinal grievance arbitration procedure ended concluded discriminatory act occurred date discharge date parties understood termination final similarly bazemore friday per curiam case considering discriminatory salary structure noted although salary discrimination began prior date act actionable title vii ach week paycheck deliver ed less black similarly situated white wrong actionable title vii also held discrete acts fall within statutory time period make timely acts fall outside time period air lines evans forced evans resign married policy married female flight attendants although evans failed file timely charge following initial separation nonetheless claimed guilty present continuing violation title vii seniority system failed give credit prior service disagreed concluding entitled treat evans resignation lawful failed file charge discrimination within charge filing period allowed statute time however noted may constitute relevant background evidence proceeding status current practice issue ibid emphasis however placed mere continuity whether present violation exist ed ibid emphasis original delaware state college ricks evaluated timeliness eeoc complaint filed professor argued denied academic tenure national origin following decision deny tenure employer offered contract teach additional year claiming effect continuing violation professor argued time period begin run actual termination rejected argument mere continuity employment without insufficient prolong life cause action employment discrimination ibid order time period commence discharge identified alleged discriminatory acts continued occurred time actual termination employment ibid use termination fell within limitations period pull discriminatory act act justify filing charge concerning termination independently discriminatory derive several principles cases first discrete discriminatory acts actionable time barred even related acts alleged timely filed charges discrete discriminatory act starts new clock filing charges alleging act charge therefore must filed within time period discrete discriminatory act occurred existence past acts employee prior knowledge occurrence however bar employees filing charges related discrete acts long acts independently discriminatory charges addressing acts timely filed statute bar employee using prior acts background evidence support timely claim held however time period filing charge subject equitable doctrines tolling estoppel see zipes trans world airlines hold filing timely charge discrimination eeoc jurisdictional prerequisite suit federal requirement like statute limitations subject waiver estoppel equitable tolling courts may evaluate whether proper apply doctrines although applied sparingly see baldwin county welcome center brown per curiam procedural requirements established congress gaining access federal courts disregarded courts vague sympathy particular litigants appeals applied continuing violations doctrine termed serial violations holding long one act falls within charge filing period discriminatory retaliatory acts plausibly sufficiently related act may also considered purposes liability see respect holding therefore reverse discrete acts termination failure promote denial transfer refusal hire easy identify incident discrimination retaliatory adverse employment decision constitutes separate actionable unlawful employment practice morgan file charge cover discrete acts occurred within appropriate time morgan alleged suffered numerous discriminatory retaliatory acts date hired march date fired incidents took place within timely filing period actionable morgan first filed charge appropriate state agency acts occurred days february day morgan filed charge actionable time period morgan contends wrongfully suspended charged violation amtrak rule insubordination failing complete work assigned denied training falsely accused threatening prior discrete discriminatory acts untimely filed longer hostile environment claims different kind discrete acts nature involves repeated conduct see lindemann grossman employment discrimination law ed hereinafter lindemann repeated nature harassment intensity constitutes evidence management knew known existence unlawful employment practice therefore said occur particular day occurs series days perhaps years direct contrast discrete acts single act harassment may actionable see harris forklift systems pointed meritor savings bank fsb vinson mere utterance epithet engenders offensive feelings employee ibid internal quotation marks omitted sufficiently affect conditions employment implicate title vii claims based cumulative affect individual acts repeatedly made clear although title vii mentions specific employment decisions immediate consequences scope prohibition limited economic tangible discrimination harris quoting meritor savings bank fsb vinson covers terms conditions narrow contractual sense faragher boca raton quoting oncale sundowner offshore services stated harris phrase terms conditions privileges employment evinces congressional intent strike entire spectrum disparate treatment men women employment includes requiring people work discriminatorily hostile abusive environment workplace conduct measured isolation clark county school dist breeden per curiam thus hen workplace permeated discriminatory intimidation ridicule insult sufficiently severe pervasive alter conditions victim employment create abusive working environment title vii violated harris internal citations omitted determining whether actionable hostile work environment claim exists look circumstances including frequency discriminatory conduct severity whether physically threatening humiliating mere offensive utterance whether unreasonably interferes employee work performance assess whether may purposes determining liability review conduct including acts occur outside filing period look statute provides charge must filed within days alleged unlawful employment practice occurred hostile work environment claim comprised series separate acts collectively constitute one unlawful employment practice timely filing provision requires title vii plaintiff file charge within certain number days unlawful practice happened matter purposes statute component acts hostile work environment fall outside statutory time period provided act contributing claim occurs within filing period entire time period hostile environment may considered purposes determining act need however last act long employer engaged enough activity make actionable hostile environment claim unlawful employment practice occurred even still occurring subsequent events however may still part one hostile work environment claim charge may filed later date still encompass whole precisely entire hostile work environment encompasses single unlawful employment practice hold circuits plaintiff may base suit individual acts occurred outside statute limitations unless unreasonable expect plaintiff sue statute ran conduct statute separate individual acts part hostile environment claim whole purposes timely filing liability statute contain requirement employee file charge prior days single unlawful practice occurred given therefore incidents comprising hostile work environment part one unlawful employment practice employer may liable acts part single claim order charge timely employee need file charge within days act part hostile work environment following scenarios illustrate point acts days create hostile work environment employee files charge day employee recover part hostile work environment occurred first days acts contribute hostile environment days day acts days act occurring day pull acts purposes liability truth things equal little difference two scenarios hostile environment constitutes one unlawful employment practice matter whether nothing occurred within intervening days long act part whole sufficient activity occurred day make claim matter employee knows day actionable claim happened day incidents still part claim hand act day relation acts days reason certain intervening action employer longer part hostile environment claim employee recover previous acts least reference day act conclusion respect incidents may considered purposes liability reinforced fact statute way bars plaintiff recovering damages portion hostile environment falls outside period filing timely charge morgan correctly notes timeliness requirement dictate amount recoverable damages one series provisions requiring parties take action within specified time periods see none function specific limitations damages explicit limitations damages found elsewhere statute section example details specific limitations compensatory punitive damages likewise allows recovery backpay liability two years prior filing charge congress intended limit liability conduct occurring period within party must file charge seems unlikely congress allowed recovery two years backpay fact congress expressly limited amount recoverable damages elsewhere particular time period indicates timely filing provision meant serve specific limitation either damages conduct may considered purposes one actionable hostile work environment claim also makes little sense limit assessment liability hostile work environment claim conduct falls within period given time period varies based whether violation occurs state political subdivision agency authority grant seek relief important remember statute requires title vii plaintiff must wait days proceedings commenced state local law file charge eeoc unless proceedings earlier terminated circumstances however charge must still filed within days occurrence see mohasco extended time period parties first file charges state locality ensures employees neither time barred later filing charges eeoc dissuaded first filing state agency see history identifies one reason treating workers deferral differently workers give state agencies opportunity redress evil federal legislation aimed avoid federal intervention unless need demonstrated surely therefore import limiting principle provision effect make reviewable time period liability dependent upon whether employee lives state remedial simply put provision specifying charge timely filed consequence limiting liability filing timely charge prerequisite actionable claim task determine whether acts employee complains part actionable hostile work environment practice whether act falls within statutory time period respect morgan hostile environment claim appeals concluded period incidents involve type employment actions occurred relatively frequently perpetrated managers support claims hostile environment morgan presented evidence number employees managers made racial jokes performed racially derogatory acts made negative comments regarding capacity blacks supervisors used various racial epithets although many acts upon claim depends occurred outside day filing period say part actionable hostile environment point affirm holding leave employers defenseless employees bring hostile work environment claims extend long periods time employers recourse plaintiff unreasonably delays filing charge noted zipes trans world airlines filing period jurisdictional prerequisite filing title vii suit rather requirement subject waiver estoppel equitable tolling equity requires equitable doctrines allow us honor title vii remedial purpose without negating particular purpose filing requirement give prompt notice employer ibid previously noted despite procedural protections statute defendant title vii enforcement action might still significantly handicapped making defense inordinate eeoc delay filing action exhausting conciliation efforts occidental life ins cal eeoc true delay caused employee rather eeoc cf albemarle paper moody party may entitled relief conduct cause improperly substantially prejudiced party cases federal courts discretionary power locate result light circumstances peculiar case addition equitable defenses therefore employer may raise laches defense bars plaintiff maintaining suit unreasonably delays filing suit result harms defendant defense requires proof lack diligence party defense asserted prejudice party asserting defense kansas colorado quoting costello address questions much prejudice must shown consequences follow laches established lindemann observe employers may raise various defenses face unreasonable prejudicial delay iii conclude title vii plaintiff raising claims discrete discriminatory retaliatory acts must file charge within appropriate time period days set forth charge alleging hostile work environment claim however time barred long acts constitute claim part unlawful employment practice least one act falls within time period neither holding however precludes applying equitable doctrines may toll limit time period foregoing reasons appeals judgment affirmed part reversed part case remanded proceedings consistent opinion ordered national railroad passenger corporation petitioner abner morgan writ certiorari appeals ninth circuit june justice chief justice joins justice scalia justice kennedy join part justice breyer joins part concurring part dissenting part join part opinion agree title vii suits based discrete discriminatory acts time barred plaintiff fails file charge equal employment opportunity commission eeoc within time period designated statute dissent remainder opinion however believe similar restriction applies types title vii suits including based claim plaintiff subjected hostile work environment today holds discrete discriminatory acts serves form statute limitations barring recovery actions take place outside period acknowledges however limitation period may adjusted equitable doctrines see ante see also zipes trans world airlines hold filing timely charge discrimination eeoc jurisdictional prerequisite suit federal requirement like statute limitations subject waiver estoppel equitable tolling like see need resolve fully application discovery rule claims based discrete discriminatory acts see ante believe however version discovery rule applies claims see lindemann grossman employment discrimination law ed although precedents seem establish relatively simple notice rule discrimination occurs start running period courts continue disagree notice must emphasis original view therefore period precludes recovery based discrete actions occurred days employee notice discriminatory act ii unlike hold serves limitations period actions brought title vii including alleging discrimination subjected hostile working environment section provides plaintiff must file charge eeoc within days alleged unlawful employment practice occurred draws distinction claims based discrete acts claims based hostile work environments plaintiff fails file charge within time period liability may assessed damages must awarded part hostile environment occurred outside period conclusion contrary based characterization hostile environment discrimination composing single claim based conduct potentially spanning several years see ante agree characterization disagree however conclusion cumulative nature violation conduct forming part violation occurs within period liability proved damages collected entire hostile environment although hostile environment claim nature general atmosphere discrimination completely reducible particular discriminatory acts day worker exposed hostile environment may still treated separate occurrence claims based occurrences forfeited words hostile environment form discrimination occurs every day daily occurrences may time barred others treatment hostile environment claims constituting single occurrence leads results contradict policies behind consider employee subjected hostile work environment years approach employee may subject uncertain restrictions equity see ante sleep rights decade bringing suit year based part actions charge filed many years previously accordance statutory mandate charge section shall filed within days alleged unlawful employment practice occurred allowing suits based remote actions raises problems statutes limitations similar time limitations designed address romot ing justice preventing surprises revival claims allowed slumber evidence lost memories faded witnesses disappeared theory even one claim unjust put adversary notice defend within period limitation right free stale claims time comes prevail right prosecute railroad telegraphers railway express agency although statute limitation backpay partially addresses concerns view liability may still assessed sorts damages damages pain suffering awarded based occurrences employer asked defend stale actions suit challenging brought much timely manner may rightly complain precisely sort unjust treatment correct nothing read imposing cap damages reading require plaintiff bring eeoc charge within days time individual incidents comprising hostile work environment occur lose ability bring suit based incidents equivalent transforming damages cap limitation one liability restriction damages occurrences far past follows obvious consequence claims reading limiting hostile environment claims conflict title vii allowance backpay liability period two years prior charge filing potential adjustments period based equitable doctrines two years backpay sometimes available even view example two years backpay may available employee failed file timely charge eeoc employer deceived order conceal existence discrimination claim also argues makes little sense base relief period since period varies depending whether state political subdivision violation occurs designated agency deal claims see ante concludes urely import limiting principle effect make reviewable time period liability dependent upon whether employee lives state remedial scheme ante precisely principle adopted discrete discriminatory acts depending plaintiff lives time period changes discrete discriminatory actions may reviewed justification variation discrete discriminatory acts claims based hostile work environments longer time period intended give political subdivisions time review claims mechanism rationale applies review daily occurrences make part hostile environment claim approach also consistent taken contexts describing ongoing antitrust violation instance stated ach overt act part violation injures plaintiff starts statutory limitations period running regardless plaintiff knowledge alleged illegality much earlier times commission separate new overt act generally permit plaintiff recover injury caused old overt acts outside limitations period klehr smith citations omitted similarly actions racketeer influenced corrupt organizations act rico et concerning pattern racketeering activity rejected rule allowed plaintiffs recover acts made pattern long least one occurred within limitation period endorsed rule several circuits although commission separable new predicate act within limitations period permits plaintiff recover additional damages caused act plaintiff use independent new predicate act bootstrap recover injuries caused earlier predicate acts took place outside limitations period reserving question whether injury discovery rule apply civil rico extension clayton act cases today allows precisely sort bootstrapping title vii context plaintiffs may recover exposure hostile environment whose time long passed simply hostile environment continued period therefore reverse judgment appeals entirety footnotes discrimination alleges began company hired august electrician helper rather electrician subsequent alleged racially motivated discriminatory acts included termination refusing follow orders amtrak refusal allow participate apprenticeship program numerous written counselings absenteeism well use racial epithets managers district denied summary judgment amtrak respect claims held timely filed remaining claims proceeded trial jury returned verdict favor amtrak fifth circuit employs multifactor test among things takes account whether alleged acts involve type discrimination whether incidents recurring independent isolated events whether earlier acts sufficient permanency trigger employee awareness duty challenge alleged violation see berry board supervisors considered time limit ed requirement case unlawful employment practice occurs state prohibits practices charge may filed eeoc expiration days proceedings commenced appropriate state agency unless proceedings earlier terminated absence indication contrary words statute assumed bear ordinary contemporary common meaning walters metropolitan ed enterprises quoting pioneer investment services brunswick associates partnership internal quotation marks citation omitted webster third new international dictionary defines occur present come pass take place happen see also black law dictionary ed defining ccur happen take place arise morgan also argues eeoc discussion continuing violations compliance manual provides certain serial violations systemic violations constitute continuing violations allow relief untimely events well positions eeoc taken prior briefs warrant deference chevron natural resources defense council brief respondent held eeoc interpretive guidelines receive chevron deference see eeoc arabian american oil interpretations entitled respect decision skidmore swift extent interpretations power persuade christensen harris county appeals held discrete acts actionable part continuing violation need contemplate time period began run act district noted morgan believed discriminated time acts occurred app pet cert may circumstances difficult determine time period begin run one issue may arise circumstances whether time begins run injury occurs opposed injury reasonably discovered case presents occasion resolve issue final alleged discriminatory act contends led termination march morgan alleges manager reported morgan threatened ordered supervisor office asked union representation presence witness supervisor denied ordered everyone office yelled morgan get black ass office morgan refused went home subsequently suspended charged violations two company rules following investigatory hearing terminated occasion consider timely filing question respect claims brought private litigants none issue hostile work environment claims based racial harassment reviewed standard based sexual harassment see faragher boca raton meritor savings bank fsb vinson amtrak argues recovery conduct taking place outside time period filing timely charge available hostile environment cases plaintiff reasonably know conduct discriminatory discriminatory nature conduct recognized discriminatory light later events see brief petitioner appeals seventh circuit adopted approach galloway general motors service parts operations see supra although reject test proposed petitioner avenues relief available employers see infra concern implicated discrete acts given unlike hostile work environment claims liability depend upon proof repeated conduct extending period time make judgment however merits morgan claim occasion consider whether laches defense may asserted eeoc even though traditionally doctrine may applied sovereign note however occidental seemed general agreement courts provide relief defendants inordinate delay eeoc see occidental life ins cal eeoc cf rehnquist dissenting part since suit recover backpay individual brought suit impossible think eeoc suing sovereign capacity footnotes case provides occasion determine whether discovery rule operates context hostile work environment claims