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Glossary of Terms
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I
ICA Number
A distinctive four-digit identification number assigned by MasterCard to identify a member or
processing endpoint.
Imprint
An imprint of a customer's credit card can be electronic (swiping the card through a credit card
terminal) or manual (taking a physical impression of the credit card by utilizing a card imprinter). Either of
these two methods is required to prove the cardholder's credit card was present.
Initialize or Partial Download
short download needed to be done at merchant's terminal to complete and pick
up any changes made to the software.
Interchange
The exchange of transaction data between acquirers and issuers through the associations.
Interchange Compliance
A process to ensure that the appropriate interchange rate is applied to a
transaction in accordance with association requirements.
Internet Software
The product that sets up a system for a merchant account to do credit card processing online.
ISO/MSP
Independent Sales Organization; independent sales group representing Visa & MasterCard Processors
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