عنوان مقاله [English]
نویسنده [English]چکیده [English]
Any reasonable person concludes a contract in order to attain (a) purpose(s). It sometimes arises that unforeseen occurrences, subsequent to the date of the contract, make worthless the promisee’s counter-performance for promisor without it has been become physically impossible or impracticability. This situation is analyzed under the doctrine of “Frustration of Purpose” in American law. Nevertheless, there are different opinions as to its existence, foundations and conditions in American jurisprudence. The situation, in which these purposes have subjective aspect, are known as “the cause of contract” in Iranian law but it does not render any express solution in cases of frustration of contract’s cause. This essay will study comparatively this issue in Iranian and American law].