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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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SSL (Secure Sockets Layer)
SSL, proceeded by TLS, is a security protocol that encrypts data and enabled authentication between applications over a network.
Related Terms
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COR (Notification of Change)
A COR entry is initiated by a receiving depository financial institution (RDFI) to inform an originator of incorrect information submitted in an entry. The originator must correct...
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