Maestro Global Rules (PDF) - MasterCard

Glossary
Glossary
Glossary
This section defines various terms, concepts, acronyms, and abbreviations
used in this document. These definitions appear for convenience only and
are not to be used or otherwise relied on for any legal or technical purpose.
MasterCard specifically reserves the right to amend any definition appearing
herein and to interpret and apply all such definitions in its sole discretion as
MasterCard deems fit.
AAC
See application authentication cryptogram.
AC
See application cryptogram.
adjustment
An entry initiated by an Acquirer to correct a system error or an inaccurate
record of a Transaction, and affecting the movement of funds between the
Issuer and Acquirer with respect to such Transaction.
advice
A message that notifies a party of an action that has been taken, requiring
no response.
ANSI
American National Standards Institute.
application authentication cryptogram (AAC)
An application cryptogram generated by a Chip Card when declining a
Transaction.
application cryptogram (AC)
A cryptogram generated by the Chip Card in response to a GENERATE AC
command. The three types of cryptograms are TC, ARQC, and AAC.
application identifier (AID)
A numbering system and registering procedure for identifying specific
companies and their chip-based products, as defined by ISO/IEC 7816-5. The
application identifier has two components: the Registered Application Provider
Identifier (RID) and the Proprietary Application Identifier Extension (PIX).
application label
Mnemonic associated with the AID according to ISO/IEC 7816-5. This field,
which is up to 16 characters long, allows for global interoperability. The
application preferred name, if available, overrides the application label.
©1993–2012 MasterCard. Proprietary. All rights reserved.
Maestro Global Rules • 9 November 2012 E-1