How do payments post?

Fiserv has a proprietary algorithm to calculate the risk involved with each payment to determine how each payment posts. Payments post in one of three different methods:

• Automated Clearing House (ACH): ACH transactions take the money from the financial institution’s customer account via ACH on the day the payment is due and electronically credit the biller.
• Corporate Check: an ACH transaction takes the money from the financial institution’s customer account on the day the payment is due and a check written on a corporate Fiserv account is issued to pay the biller.
• Consumer Draft: a check is written by Fiserv that is payable on the financial institution’s customer’s account and payable to the biller.

CSI Digital Banking customers do not have any special processing steps to make sure Fiserv bill pay transactions post. The transactions flow through the typical ACH and check processing functions.

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