 ACH checks the sender net debit cap, and if applicable, sorts the data by sender banks and sends them to each sender bank. Sender banks debit utility payments from the payer’s a/c. After the DTNS settlement, receiving banks credit the utility amount to the utility company’s a/c. 2) Functions  The message formats of payment instructions received from receiving banks and sent to sender banks are compatible with pacs.003 of ISO 20022.  Specifications and operations regarding the sender net debit cap, forwarddating, operating hours, and exchanging payment instructions among FIs are the same as the ones for direct credit.  In the case of unsuccessful debits from the payer’s a/c, sender banks notify receiving banks about the errors and send reverse transactions to ACH. 3) Flowchart of ACH direct debit (utility payment) Source: Preparatory Survey Team Figure 3-19 Flowchart of ACH direct debit (utility payment) (F) Rapid retail payments with ACH 1) Business Requirements  By use of the ACH direct credit function, CBM-NET Phase 2 provides RRP. 49