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

  • Authorizations (Card Processing)

    All transactions must be authorized via terminal, cash register, voice authorization, or automated voice response phone system (IVR).

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  • CCD (Corporate Credit or Debit)

    A CCD entry is a credit or debit entry where funds are being transferred between two corporate entities.

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