system and early payment discount methods for e-billing system

摘要

(57) According to the summary of the present invention, (for example, through the (EFT) electronic funds transfer) customers, themselves electronically through the e-billing system to the number of days within which it is specified from the invoice posting date of the online (EPD) mechanism is provided early payment discount that allows instead to pay the invoice, to receive the early payment discount. And and, are determined by the case of transactions, number of days the designated may be changed periodically. Any EPD discount to be provided, is based on the billing invoice amount of current. The percentage of early payment discount is calculated automatically according to the date on which EFT payment is made. And discount percentage that is subordinate, EFT account payment screen displays automatically and EPD availability period.