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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  • OFAC (Office of Foreign Asset Control)

    The part of the US Treasury Department responsible for enforcing United States economic and trade sanctions.

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