ChapterFourWhatiscommodity?《联合国国际货物销售合同公约》第35条规定:(CISG）1.卖方交付的货物必须与合同所规定的数量、质量和规格相符，并须按照合同所规定的方式装箱或包装。2.货物适用于同一规格货物通常使用的目的。3.货物的质量与卖方向买方提供的货物样品或样式相同。4.货物按照同类货物通用的方式装箱或包装，如果没有此种通用方式,则按照足以保全和保护货物的方式装箱或包装。P.S.CISGdoesNOTapplytosales:a.ofstocks,shares,securities;b.ofships,aircraft;c.byauctiond.electricityCommodityconditionintradeconsistsofthenameof,qualityof,quantityofandpackingofcommodityaswellasqualityinspection.CISGStipulationaboutcommodity(Article36):(1)ThesellerisliableinaccordancewiththecontractandthisConventionforanylackofconformitywhichexistsatthetimewhentheriskpassestothebuyer,eventhoughthelackofconformitybecomesapparentonlyafterthattime.(2)Thesellerisalsoliableforanylackofconformitywhichoccursafterthetimeindicatedintheprecedingparagraphandwhichisduetoabreachofanyofhisobligations,includingabreachofanyguaranteethatforaperiodoftimethegoodswillremainfitfortheirordinarypurposeorforsomeparticularpurposeorwillretainspecifiedqualitiesorcharacteristics.《联合国国际货物销售合同公约》第36条规定:(CISGArticle36）Nameofcommodity（品名）(教材，P.69)Atermusedtodefineaparticulardegreeofqualitye.g.highvs.low,badvs.goodBecarefultospecifythequalitytermsinthecontracta.differentqualitystandardsamongindustries,countriesb.differentinterpretationsofthesamequalitystandardc.differentqualitiesofthesamecommoditye.g.NF（NormesFrancaises）法国标准DIN（DeutscheIndustricNorman）德国工业品标准BSI（BritishStandardInstitute）英国标准协会标准JIS（JapaneseIndustrialStandard）日本工业标准ISO9000-4;GB(CN)Methodstospecifyqualityofcommodityusuallyconsistofsalesbysample,specification,gradeorstandard,brandortrademarkorbydescription,etc.SalesbySampleseller’ssample,buyer’ssamplecountersample,sealedsampleNote:Itisimportanttoaddsuchaclauseinthecontractlike:a.qualitytobeconsideredstrictlysameasthesampleb.qualitytobeconsideredaboutequaltothesamplec.qualitytobeconsideredsimilartothesample(Specifytoleranceclause(公差条款)forb.&c.)Toleranceclause1.Tolerancereferstothealloweddeviationfromagivenstandardofsize,content,performance,purityorotherm