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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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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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TLS (Transport Layer Security)
TLS refers to a cryptographic protocol to secure information sent over a computer data network. Connections using TLS typically have multiple authentication methods in place to secure data.
