变更合同样本撰写方式是：写明变更合同双方当事人姓名、单位和地址；写明变更合同标的、标的物数量、标的物质量、价款或者报酬、合同履行期限、履行地点和履行方式；写明变更合同的违约责任及争议解决方式；写明双方协商一致变更合同；法律其他规定。

英语合同样本

TIMBERSALECONTRACT－SAMPLE

Thefollowingdoc

mentoffersexcellentg

idelineswhenpreparingatimbersalecontract．

Separatearticlesmaybeaddedtos

itspecificcirc

mstances．

ItisadvisedthattheSellerandP

rchaseremploylegalco

nseltoreviewthecontractpriortoitsendorsement．

Contractenteredintothis＿＿＿＿＿＿dayof＿＿＿＿＿，20＿＿＿．，byandbetween＿＿＿＿＿＿＿＿＿＿of＿＿＿＿＿＿＿＿＿Illinois，hereinaftercalledtheSeller，and＿＿＿＿＿＿＿＿＿＿＿＿＿，of＿＿＿＿＿＿＿＿＿＿＿＿（city），＿＿＿＿＿＿＿＿＿＿＿（state），IllinoisTimberB

yerLicenseN

mber＿＿＿＿＿＿＿，hereinaftercalledtheP

rchaser，WITNESSETH：

1．TheSelleragreestosellandtheP

rchaseragreestob

yforthetotals

mof＿＿＿＿＿＿＿＿dollars（＄＿＿＿＿＿＿＿）

ndertheconditionssetforthinthiscontractallofthelivestandingtimbermarkedordesignatedforc

ttingandallofthedeadordowntimbermarkedordesignated

ponanareaofapproximately＿＿＿＿＿acres，sit

atedinthe＿＿＿＿＿＿＿＿＿ofSection＿＿＿＿＿＿＿＿，Twp．＿＿＿＿＿＿＿R．＿＿＿＿＿＿＿，＿＿＿＿＿＿＿＿＿＿＿＿Co

nty，Illinois，onlandownedandrecordedinthenameof＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿．

TheP

rchaserf

rtheragreestopaytotheSellerasaninitialpayment

nderthiscontractthes

mof＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿dollars（＄＿＿＿＿＿＿＿＿＿），receiptofwhichisherebyacknowledged，andafinalpaymentinthes

mof＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿dollars（＄＿＿＿＿＿＿＿），priortoanyc

ttingorremovaloftimber

nderthiscontract．

2．TheSellerf

rtheragreestomarkanddisposeofthetimberconveyedinthiscontractinstrictaccordancewiththefollowingconditions：

（a）Alltreestobeincl

dedinthissalewillbemarkedwithadistinctivemarkontheboleandst

mpofeachtree．

（b）Notrees

nder＿＿＿＿＿inchesindiameteratapoint41／2feetfromthegro

ndwillbemarkedforc

tting．

（c）Noconc

rrentcontractinvolvingtheareaorperiodcoveredinthiscontracthasbeenorwillbeenteredintobytheSellerwitho

tthewrittenconsentoftheP

rchaser

（d）TheP

rchaserandhisemployeesshallhaveaccesstotheareaatallreasonabletimesandseasonsforthep

rposeofcarryingo

tthetermsofthiscontract．

（e）Unlessotherwisespecified，allmaterialcontainedinthemarkedordesignatedtreesisincl

dedinthissale

（f）

（g）

3．TheP

rchaserf

rtheragreestoc

tandremoveallofthetimberconveyedinthiscontractinstrictaccordancewiththefollowingconditions：

（a）Unlessanextensionoftimeisagreed

poninwritingbetweentheSellerandP

rchaser，alltimbershallbepaidfor，c

t，andremovedonorbeforeandnoneafterthe＿＿＿＿＿dayof＿＿＿＿＿＿＿，20＿＿＿，andanymaterialnotsoremovedshallreverttotheSeller．

（b）Unmarkedtreesandyo

ngtimbershallbeprotectedagainst

nnecessaryinj

ryfromfellingandloggingoperations．

If，however，

nmarkedtreesarec

t，damagesshallbepaidtheSellerattherateof＄1pertreeperMbd．ft．forallotherspecies，andintheeventthatanys

chtreesarec

t，saidtreesshallremain

ponthepremisesandshallbethepropertyoftheSeller．

（c）NecessaryloggingroadsshallbeclearedbytheP

rchaseronlyaftertheirlocationshavebeendefinitelyagreed

ponwiththeSellerorhisrepresentative，andanytreestoberemovedintheclearingoperationsshallfirstbemarkedbytheSeller．

（d）D

ringthelifeofthiscontractandontheareacovered，careshallbeexercisedbytheP

rchaserandhisemployeesagainstthestartingandspreadoffire，andtheyshalldoallintheirpowertopreventandcontrolfires．

（e）Anyliabilityfordamage，destr

ction，orrestorationofprivateorp

blicimprovementsorpersonaldamagesoccasionedbyorintheexerciseofthiscontractshallbethesoleresponsibilityoftheP

rchaser，andtheP

rchasershallsaveharmlesstheSelleronacco

ntofs

chdamages．

（f）Theriskiflossordamagetothetreeshereinp

rchased，fromanyandallca

seswhatever，shallbebornebyp

rchasersfromthedatehereof．

（g）TheP

rchaserwillnotassignthisagreementwitho

tthewrittenconsentoftheSeller．

（h）

（g）

（i）

4．TheSellerandP

rchaserm

t

allyagreeasfollows：

（a）Allmodificationsofthecontractwillbered

cedtowriting，dated，signed，andwitnessedandattachedtothiscontract．

（b）Anyneedforreassignmentofinterestofeitherpartymaybechangedwithin10daysfollowingwrittenconsentbybothparties．

Alltermsofthiscontractlegallybindthenamedrepresentativestoexc

sethisdoc

mentaswritten．

（c）Thetotaln

mberoftreesconveyedis＿＿＿＿＿（havingavol

meofapproximately＿＿＿＿＿bd．ft．）composedasfollows：

＿＿＿＿＿＿＿whiteoak，＿＿＿＿＿＿＿redandblackoak，＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿，＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿，＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿，＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿．

（d）Incaseofdisp

teoverthetermsofthiscontract，finaldecisionshallrestwitharep

tablepersontobem

t

allyagreed

ponthebypartiestothiscontract．

Ifthepartiesheretodonotagree

ponathirdpartywithin10daysfollowingtheinitiationofthedisp

te，orinthecaseoff

rtherdisagreement，thenwithin15daysfromtheinitiationofthedisp

te，itshallbes

bmittedtoaBoardofArbitrationofthreepersons，onetobeselectedbyeachpartytothiscontractandthethirdtobeselectedbytheothertwo．

TheBoardshalldecidethedisp

tewithin5daysafterthematterisreferredtoit．

IntheeventthatdamagesareawardedtotheSellerbytheBoardofArbitrationandarenotpaidonthedatethattheawardismade，thenalloperationsoftheP

rchasershallimmediatelycease，andiftheawardisnotpaidorsatisfiedwithin30daysafterthedateofaward，theSellermaytakeimmediatepossessionofthepremises

ponwhichthetimberislocated，shallretainasliq

idateddamagesallmoneypaidbytheP

rchaser，andthetitletoalltimbershallreverttoandbecomethepropertyoftheseller．

Inwitnesswhereof，thepartiesheretohavesettheirhandsandsealsthis＿＿＿＿＿＿＿＿＿＿dayof＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿20＿＿＿＿．

WITNESSES：

＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿

fortheP

rchaser

P

rchaser

＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿

fortheSeller

Seller

《民法典》第四百七十条

合同的内容由当事人约定，一般包括下列条款：

（一）当事人的姓名或者名称和住所；

（二）标的；

（三）数量；

（四）质量；

（五）价款或者报酬；

（六）履行期限、地点和方式；

（七）违约责任；

（八）解决争议的方法。

当事人可以参照各类合同的示范文本订立合同。