Editing Contracts/Frustration of purpose

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'''Frustration of purpose''', in contract law, is a defense to enforcement of a [[contract]]. Frustration of purpose occurs when an unforeseen event undermines a party's principal purpose for entering into a contract such that the performance of the contract is radically different from performance of the contract that was originally contemplated by both parties, and both parties knew of the principal purpose at the time the contract was made.<ref name="1982 HCA 24">{{cite AustLII|HCA|24|1992|litigants=[[Codelfa Construction Pty Ltd v State Rail Authority of NSW]] |parallelcite=(1982) 149 [[Commonwealth Law Reports|CLR]] 337 |date=11 May 1982 |courtname=auto}}.austlii</ref> 

Despite frequently arising as a result of government action, any third party or even nature can frustrate a contracting party's primary purpose for entering into the contract. The concept is also called commercial frustration.

For example, if Joe gets a mortgage for a new home, suppose after three years, the home is destroyed, through no fault of Joe's. Without a [[hell or high water clause]], Joe might be exempt from the remainder of the mortgage, as the principal purpose of the contract, to have a home to live in, has been compromised. However, he might still have a [[foreclosure]] on his [[credit rating]].

Frustration of purpose is often confused with the closely related doctrine of [[impossibility]]. The distinction is that impossibility concerns the duties specified in the contract, but frustration of purpose concerns the reason a party entered into the contract. An example is if entrepreneur Emily leases space from landlord Larry so that she can open a restaurant that serves only Tibetan Speckled Lizard meat. If the city rezones the property to forbid commercial uses or if the property is destroyed by a tornado, both Larry and Emily are excused from performing the contract by impossibility.

However, if the Tibetan Speckled Lizard suddenly goes extinct, Emily may be excused from performing the contract because Larry knew her primary purpose for entering into the lease was to serve Tibetan Speckled Lizard, and the purpose has been frustrated. In the second scenario, the parties could still carry out their obligations under the lease, but one of them no longer has a reason to.

The ''[[Restatement (Second) of Contracts]]'', Section 265, defines frustration of purpose:
{{quote|Where, after a contract is made, a party's principal purpose is substantially frustrated without his fault by the occurrence of an event the non-occurrence of which was a basic assumption on which the contract was made, his remaining duties to render performance are discharged, unless the language or circumstances [of the contract] indicate the contrary.}}

A circumstance is not deemed to be a "basic assumption on which the contract is made" unless the change in circumstances could not have been reasonably foreseen at the time the contract was made. As a result, it is rarely invoked successfully. Successful invocations usually come in waves during times of substantial tumult, such as after the passage of [[Prohibition]], when bars and taverns no longer had a reason for their leases, or during major wars, when demand for many consumer goods and services drops far below what is normal.

If the defense is successfully invoked, the contract is terminated, and the parties are left as they are at the time of the litigation.

==Who uses frustration of purpose as defense==
In a contract for the sale of goods, the doctrines of impossibility & impracticability are generally used by the seller, whereas the doctrine of '''frustration of purpose''' is generally used by the buyer.

==References==
<references />

==Cases==
*''[[Paradine v. Jane]]'', 1647, British case
*''[[Taylor v Caldwell]]'', 1863, British case
*''[[Krell v Henry]]'', 1903, British case
*''[[Grun Roofing v. Cope]]'', 1975
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	'''Frustration of purpose''', in contract law, is a defense to enforcement of a [[contract]]. Frustration of purpose occurs when an unforeseen event undermines a party's principal purpose for entering into a contract such that the performance of the contract is radically different from performance of the contract that was originally contemplated by both parties, and both parties knew of the principal purpose at the time the contract was made.<ref name="1982 HCA 24">{{cite AustLII\|HCA\|24\|1992\|litigants=[[Codelfa Construction Pty Ltd v State Rail Authority of NSW]] \|parallelcite=(1982) 149 [[Commonwealth Law Reports\|CLR]] 337 \|date=11 May 1982 \|courtname=auto}}.austlii</ref>		'''Frustration of purpose''', in contract law, is a defense to enforcement of a [[contract]]. Frustration of purpose occurs when an unforeseen event undermines a party's principal purpose for entering into a contract such that the performance of the contract is radically different from performance of the contract that was originally contemplated by both parties, and both parties knew of the principal purpose at the time the contract was made.<ref name="1982 HCA 24">{{cite AustLII\|HCA\|24\|1992\|litigants=[[Codelfa Construction Pty Ltd v State Rail Authority of NSW]] \|parallelcite=(1982) 149 [[Commonwealth Law Reports\|CLR]] 337 \|date=11 May 1982 \|courtname=auto}}.austlii</ref>