Maestro Global Rules (PDF) - MasterCard

Processing Requirements
9.5 Processing Requirements
d. discretionary data; or
e. check digit.
Acquirers and TPPs are discouraged from editing the transposition check digit.
See Appendix B, “Technical Specifications.”
9.5.1 Track 1 Processing
Acquirers and TPPs must not perform tests or edits on track 1 for the purpose
of disqualifying Cards from eligibility for processing within the Corporation.
9.5.2 PAN Processing
Acquirers and TPPs must accept all PAN lengths in Cards when such PAN
lengths are in compliance with Chapter 6, “Issuing,” of the Rules.
Acquirers and TPPs must accept all valid major industry identifier numbers and
IINs in Cards when such major industry identifier numbers and IINs are in
compliance with Chapter 6, “Issuing,” of the Rules.
9.5.3 Card Data Processing
Acquirers and TPPs must accept all Card expiration and effective dates, as well
as all Chip Card application effective dates, when dates are in compliance
with Chapter 6, “Issuing,” of the Rules. Note: It is strongly recommended that
these fields not be edited.
Acquirers and TPPs are not required to act on the extended service codes at
this time unless a value of 2 is present in position 1 for a Maestro payment
application. The hybrid POS Terminal and hybrid Terminal must first attempt to
process the Transaction as a chip Transaction. For additional information, refer
to the MasterCard Authorization Manual.
Acquirers and TPPs must accept all Card service code values, when such service
code values are in compliance with Chapter 6, “Issuing,” of the Rules.
Acquirers and TPPs must accept any character(s) in the discretionary data
portion of Cards, when such discretionary data character(s) is in compliance
with Chapter 6, “Issuing,” of the Rules.
9.5.4 Chip Card Processing
Acquirers must operate POS Terminals and Terminals that support chip
technology in compliance with the technical specifications. Chip Transactions
must be processed in accordance with the chip technical specifications as
published from time to time by the Corporation.
©1993–2012 MasterCard. Proprietary. All rights reserved.
9-16 9 November 2012 • Maestro Global Rules