Ellinger P.　reports “technology globalises the world economics so the need for proximity may become less important.” Actually this change also depends on the development of electronics just like paperless payment. In my opinion the paperless document is the fundamental system, which makes international markets open rapidly, international information networks integrate at a fast pace, and information become more accessible. As a consequence of using paperless documents the world changes to a “global village”. Although the geographic distance is also great, information about affiliated companies is easy to obtain. Big firms often set up branches in foreign countries and then those small firms may find an agent, or affiliate other firm in those countries to help him process affairs. Previously to set up a branch in foreign country seems difficult and dangerous because to transfer data depending on telephone, telegraph, and letter was less convenient, cheap, and secure. In contrast to this, as electronic technology becomes popular both parties may be able to ascertain information about each other’s credit worthiness or reputation before they conduct business. The need to deal with a local party may therefore be less important in today’s international business environment. In general, as I have mentioned previously paperless document may provide international trade proximity.
　　4.Fraud exception may be used in paperless document
　　　 In addition, it is easy to understand that paperless document is a “double-edged sword” because when data is invisible fraud is easier. As a consequence a kind of regulation that can balance rights and responsibility in using paperless document seems important and necessary. It is argued that there are many regulations explored to guide usage of paperless document for official purpose. Of all those regulations “fraud exception”　is accepted more and more widely. By this regulation, although the bank should pay the exact price as soon as the documents arrive it can refuse to pay the price when fraud is discovered. On the other hand unconditional payment is the basis in document credits. If a bank is awarded this privilege to decide the payment on its own judge the security and trustworthiness will disappear completely. Therefore this rule must be used with great care and the privilege awarded to bank must be definite too. After that much research has been done to make “fraud exception” more advanced. Then a collateral rule is explored which notes if the bank wants to refuse to pay the price the evidence, which proves fraud is concrete and explicit, must be achieved. In other words, if the bank can’t distinguish whether fraud exists, even there is some suspicion; it has to pay the price immediately. With these rules document credits may serve international trade well generally.

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