Payment Glossary

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.

Related Terms

  • Auxiliary On-Us Field

    A field on the magnetic ink character recognition (MICR) line of a check or share draft. This is an optional field that can be found to the...

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  • Existing Relationship

    There is an existing relationship between an originator and a receiver when there is either a written agreement in place or when the receiver has purchased goods...

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