stanton stanton argued february decided april appellant wife appellee husband divorced utah decree incorporating parties stipulation ordered appellee make monthly payments appellant support parties children daughter age seven son age five subsequently daughter became appellee discontinued payments support divorce pursuant utah statute provides period minority males extends age females age denied appellant motion support daughter period attained appeal utah affirmed rejecting appellant contention inter alia statute violated equal protection clause fourteenth amendment held support issue rendered moot fact appellant daughter since appellee obligated divorce decree support daughter ages amount past due owing appellant lack standing age group affected statute another statute obligates support daughter age pp context child support classification effectuated challenged statute denies equal protection laws guaranteed fourteenth amendment reed reed notwithstanding old notions cited state man primary responsibility provide home salutary education training assumes responsibility females tend mature marry earlier males nothing rational statutory distinction males females related divorce decree results appellee liability support daughter age son age thus imposing criteria wholly unrelated objective statute pp blackmun delivered opinion burger douglas brennan stewart white marshall powell joined rehnquist filed dissenting opinion post bryce roe argued cause appellant brief william fowler dennis frederick argued cause appellee brief gary christian justice blackmun delivered opinion case presents issue whether state statute specifying males greater age majority specifies females denies context parent obligation support payments children equal protection laws guaranteed fourteenth amendment appellant thelma stanton appellee james lawrence stanton married elko february suit appellant divorced utah november daughter sherri lyn born february son rick arlund born january sherri became february rick january divorce proceedings district salt lake county parties entered stipulation property child support alimony awarded custody children mother incorporated provisions stipulation findings conclusions decree divorce specifically alimony child support decree provided defendant ordered pay plaintiff sum per month child support alimony per month child child support per month alimony paid day month office salt lake county clerk app sherri attained appellee discontinued payments support may appellant moved divorce entry judgment favor appellee among things support children periods respectively attained age years concluded february sherri became years age provisions utah code annotated thereby attained majority defendant obligated plaintiff maintenance support sherri lyn stanton since date app order denying appellant motion entered accordingly appellant appealed utah contended among things utah code ann effect period minority males extends age females age invidiously discriminatory serves deny due process equal protection laws violation fourteenth amendment corresponding provisions utah constitution namely art art iv issue utah affirmed utah acknowledged doubt questioned statute treats men women differently said people may treated differently long reasonable basis classification related purposes act applies equally uniformly persons within class referred called old notions namely generally man primary responsibility provide home essentials ibid salutary thing get good education training undertakes responsibilities girls tend generally mature physically emotionally mentally boys generally tend marry earlier ibid concluded judgment basis upon justified concluding statute beyond reasonable doubt conflict constitutional provisions stricken invalid noted probable jurisdiction ii appellee initially suggests support issue moot event appellant lacks standing arguments related reject mootness suggestion based propositions appellant sherri neither possesses rights affected outcome proceeding brief appellee time case us jurisdictional statement appellee suggested case involved nonjusticiable political question appellee motion dismiss approach course overlooks fact issue support daughter years appellee divorce decree obligated sherri support period obligation fulfilled amount past due owing appellee obligation issue plainly presents continuing live case controversy neither moot nonjusticiable suggestion standing appellant age group affected utah statute therefore lacks personal stake resolution issue said appellant signed stipulation support payments took utah law thus waived estopped asserting right support payments daughter attained age satisfied makes difference whether appellant interest obligation appellee divorce decree sherri support ages regarded interest personal appellant fiduciary utah described support money compensation spouse support minor children anderson anderson utah right past due support money appears supplying spouse child larsen larsen utah see also baggs anderson utah appellant therefore clearly personal stake outcome controversy assure concrete adverseness sharpens presentation issues upon largely depends illumination difficult constitutional questions baker carr flast cohen see nothing stipulation directed question majority reached purposes support payments smacks waiver addition uniform civil liability support act effect utah since laws utah codified utah code ann supp section specifically provides every woman shall support child addition mandate contained every man shall support wife child child defined mean son daughter age years rights herein created addition substitution rights appellant thus legal obligation utah law support daughter sherri became obligation however obviously derogation right might appellee divorce decree interest controversy therefore distinct significant one assures concrete adverseness proper standing part iii turn merits appellant argues utah statutory prescription establishing different ages majority males females denies equal protection classification based solely sex affects child fundamental right fed clothed sheltered parents compelling state interest supports classification statute withstand judicial scrutiny close otherwise relationship ascertainable legislative objective appellee contends test rationality age classification rational basis endures attack based equal protection find unnecessary case decide whether classification based sex inherently suspect see weinberger wiesenfeld schlesinger ballard geduldig aiello kahn shevin frontiero richardson reed reed reed feel controlling case presented equal protection challenge provision idaho probate code gave preference males females persons otherwise entitlement applied appointment administrator decedent estate regard paid statute applicants respective individual qualifications upholding challenge reasoned idaho statute accorded different treatment basis sex thus establishes classification subject scrutiny equal protection clause clause said denies power legislate different treatment accorded persons placed statute different classes basis criteria wholly unrelated objective statute classification must reasonable arbitrary must rest upon ground difference fair substantial relation object legislation persons similarly circumstanced shall treated alike royster guano virginia enough save statute among objectives elimination area possible family controversy hearing comparative merits petitioning relatives test whether difference sex children warrants distinction appellee obligation support drawn utah statute conclude may true utah observed argued man primary responsibility provide home salutary education training assumes responsibility girls tend mature earlier boys females tend marry earlier males last mentioned factor however utah statute loses whatever weight otherwise might statute minors obtain majority marriage thus minority goes abruptly lost marriage person either sex whatever tender age marriage occurs notwithstanding old notions utah referred perceive nothing rational distinction drawn related divorce decree results appellee liability support sherri age rick age imposes criteria wholly unrelated objective statute child male female still child longer female destined solely home rearing family male marketplace world ideas see taylor louisiana women activities responsibilities increasing expanding coeducation fact rarity presence women business professions government indeed walks life education desirable always necessary antecedent apparent proper subject judicial notice specified age minority required boy order assure parental support attains education training girl distinguish two educational grounds female supported long male hardly expected attend school long bringing education end earlier coincides society long imposed weight remains day claim earlier maturity female concomitant inference absence need support beyond fail perceive unquestioned truth significance particularly marriage statute provides terminates minority person either sex arkansas far investigation reveals remains utah fixing age majority females males ark stat ann see petty petty ark furthermore utah draws distinction defining minority relating marriage without consent parent guardian see also making void marriage male female elsewhere state present constitutional statutory structure male female appear treated alike state constitution provides rights utah citizens vote hold office shall denied abridged account sex oth male female citizens shall enjoy equally civil political religious rights privileges art iv since long nation adoption amendment provide every citizen age years upwards satisfies durational requirements shall entitled vote art iv utah statutes provide citizen age meets specified nonsex qualifications competent act juror utah code ann may admitted practice law may act incorporator need may entitled public assistance ages persons may serve legislative executive judicial offices males females utah art vi art vii art viii tobacco may sold purchased possessed persons either sex years age see laws utah age differential imposed respect issuance motor vehicle licenses state adult education programs open every person years age uniform gifts minors act effect utah defines minor purposes person attained age years supp juvenile jurisdiction extends persons either sex designated age every person age sound mind may dispose property uniform civil liability support act noted effect utah since imposes parent obligation support sons daughters age supp say important effect application minor may disaffirm contracts infant must appear guardian guardian ad litem utah rule civ proc parent right action injury wrongful death minor child person nder age majority competent entitled serve administrator decedent estate executor decedent statute limitations tolled person entitled bring action nder age majority thus distinction drawn affects rights duties pervasive effect direct collateral therefore conclude test compelling state interest rational basis something context child support survive equal protection attack context valid distinction male female may drawn iv conclusion context child support classification effectuated denies equal protection laws guaranteed fourteenth amendment finally resolve controversy appellant appellee age differential held invalid determine appellee obligation children support pursuant divorce decree terminates utah law appellant asserts classification eliminated common law applies common law age majority males females appellee claims unconstitutional inequality males females remedied treating males adults age rather withholding privileges adulthood women reach plainly issue state law resolved utah courts remand issue noted incidentally utah utah appellant although prevailing federal constitutional issue may may ultimately win lawsuit see harrigfeld district idaho commonwealth butler skinner oklahoma judgment utah reversed case remanded proceedings inconsistent opinion ordered period minority period minority extends males age years females eighteen years minors obtain majority marriage frequently case state statutes little legislative history available statute roots territorial act approved february comp laws utah justice rehnquist dissenting views case requiring determination whether utah statute specifying males must reach higher age females attaining majority denies females equal protection laws guaranteed fourteenth amendment constitution regards constitutionality utah code ann properly issue manner utah approached decided case subject constraints respect constitutional adjudication may well bind utah bound rule rigidly adhered never formulate rule constitutional law broader required precise facts applied liverpool phila commissioners emigration try avoid deciding constitutional questions come us highly abstract form rescue army municipal fidelity longstanding rules dictates regard factual background case fully outlined opinion deciding constitutional question tendered us utah statute invalidates context child support ante terms define age obligation divorced parent support child ceases parties concede stantons provided property settlement agreement appellee obligation support sherri rick terminate turned turned one turned turned tr oral arg case arises appellant appellee made provision property settlement agreement fixing age appellee obligation support son daughter terminate utah faced necessity filling blank referred state general statute supplying terms parties neglected specify utah relied upon statute insofar cast light intention parties regarding child support obligations contained divorce decree basis reaching constitutionality statute supplying missing term agreement executed two private parties ordinarily looks customs mores practice parties attempt ascertain intended upon consideration factors including statute utah concluded stantons intended bestow limited resources upon son daughter perhaps reasons stated opinion strikes entirely permissible basis upon construe property settlement agreement hand utah may concluded parties failed specify term agreement question became one utah statutory law rather one determining intent parties determination constitutionality utah code ann indeed implicated case think possible say confidence two approaches taken utah case addition difficulty another element attenuation claim asserted behalf sherri treated like brother purposes child support actual case us utah comprehensive scheme dealing child support uniform civil liability support act utah code ann et seq supp act child defined son daughter age years thus purposes direct claim sherri appellee utah law treats precisely brother claim asserted case sherri mother source claim mother appellee necessarily arises voluntary property settlement agreement executed time divorce factors lead conclude issue says presented case decides properly decided facts adhere established policy avoiding unnecessary constitutional adjudication dismiss appeal reason rescue army municipal supra socialist labor party gilligan