Maestro Global Rules (PDF) - MasterCard

Glossary
Glossary
application preferred name
Preferred mnemonic associated with the AID, as specified by the Issuer. This
field is up to 16 characters long. The application preferred name, if available,
overrides the application label.
approval code
The code given online by the Issuer (or its agent) to the card when an
authorization request has been approved. This code acts as proof of
authorization.
ARQC
See authorization request cryptogram.
authorization
Approval of a transaction by or on behalf of an Issuer in accordance with the
Standards. The merchant receives, via telephone or authorization terminal, this
approval to process the transaction.
authorization request cryptogram (ARQC)
An application cryptogram generated by a Chip Card when requesting online
authorization.
Automated Clearing House (ACH)
A group of processing institutions networked together to exchange and settle
electronic debit transactions.
balance inquiry
A non-financial Transaction initiated by the Cardholder in which the
Cardholder’s balance is displayed and/or printed. Use of a PIN is required.
balance response
Automatic communication by the Issuer of the remaining balance on a prepaid
Card within the authorization response on a financial Transaction. Also referred
to as referred to as account balance response.
bank identification number (BIN)
A unique number that appears as the first digits in the PAN and is assigned to
identify a group of cards belonging to an Issuer for the purposes of routing.
(See IIN.)
block/unblock
The Issuer-initiated suspension (blocking) and re-activation (unblocking) of the
live application on a Chip Card. An Issuer can block the live application on a
Chip Card during any online dialogue or transaction using script processing.
©1993–2012 MasterCard. Proprietary. All rights reserved.
E-2 9 November 2012 • Maestro Global Rules