Ⅰ.Introduction Since the adoption of the Vienna Convention on Contracts for the International Sale of Goods,1980(CISG) use of electronic means of communication such as e-mail,SMS and the internet in the last decade has outstripped or replaced other more traditional forms of I. Introduction since the adoption of the Vienna Convention on Contracts for the International Sale of Goods, 1980 (CISG) use of electronic means of communication such as e-mail, SMS and the internet in the last decade has outstripped or replaced other more traditional forms of