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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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VAR Sheet
A VAR Sheet is a file containing information, such as merchant account information, bank account information, processor information, etc. This file is typically given to a payment gateway, allowing for communication between the gateway and the merchant account provider.
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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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