| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To solve the problem in purchasing a commutation pass that a long non-use period of the commutation pass results in payment of an amount higher than the actual boarding result as the commutation pass price, and a user who is apprehensive for the future use thereof might hesitate in purchasing the commutation pass. <P>SOLUTION: In this commutation pass validity extension system, the period where the commutation pass is seldom used is regarded as out-of-expiration of the commutation pass, and the expiration date is extended by this period. According to this, the user's apprehension for the future use can be eliminated, and the purchase of the commutation pass by the user can be promoted. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
