The members of our site, who pay a monthly recurring bill, have the ability to log in to their accounts and update their credit card information in the system. Currently, when members who have already paid the current month's dues update their payment information, First Data, our merchant credit card system is charging the member an additional monthly fee. Thus, some members are being billed two times monthly. We need someone to adjust the payment update system so it does not charge members a second time. If they have not yet paid for the month, then updating their payment information should only charge them for the current month's outstanding fee. We believe this error is being caused by the xml code which is causing First Data to set an incorrect “start date”, but we will need you to investigate, trouble-shoot, and fix the error so it is running perfectly.
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