The advent and common usage of Internet in the latest decades of 20th century has made a virtual space, which is known as Cyberspace. This virtual space have challenged many traditional concepts of private law; The concepts such as domicile, consent and intention to create legal relations, delivery and take delivery of subject matter of contract and so on are required to redefinition. This article is trying to consider methods of contracting at cyberspace and review the manner of determining of time and place of such contracts.
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