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

  • ACH Debit

    An ACH debit occurs when the receiver’s account is debited.

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  • FISMA (Federal Information Security Management Act)

    The Federal Information Security Management Act requires all federal agencies to implement cybersecurity programs to protect the information from unauthorized access.

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