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AAP
An accredited ACH professional certified by the National Automated Clearing House Association (NACHA).
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ACK (ACH Payment Acknowledgement)
An ACK entry is an acknowledgement by the receiving depository financial institution (RDFI) confirming the receipt of a corporate credit or debit (CCD) credit entry.
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Settlement Date
The date an exchange of funds will be reflected on the books of the Federal Reserve Bank.









