Maestro Global Rules (PDF) - MasterCard

6.4 PIN and Signature Requirements
6.4.1 PIN Issuance
United States Region
6.4 PIN and Signature Requirements
The following replaces the second paragraph of Chapter 6, “Issuing,” Rule
6.4.1 in part 1 of this rulebook:
PINS must meet ISO standards, and may be from four (4) to twelve (12)
alphanumeric characters.
6.4.2 Use of the PIN >>
6.4.2.1 Chip Cards >>
The Rules in Chapter 6, “Issuing,” Rule 6.4.2.1 in part 1 of this rulebook are
modified as follows:
1. Chip Cards may support either online PIN verification only or both online
PIN and offline PIN verification as the CVM for POS Transactions.
6.4.3 Use of PIN or Signature
In addition to the rules in Chapter 6, “Issuing,” Rule 6.4.3 in part 1 of this
rulebook, the following applies:
For all intraregional Transactions the Cardholder utilizes a PIN for identification
instead of a signature, except as provided for in the Rules.
6.7 Stand-In Processing Service
The following replaces Chapter 6, “Issuing,” Rule 6.7 paragraph 2, in part 1
of this rulebook:
Issuers must support and implement Stand-In Processing for all POS
Transactions.
In addition to the rules in Chapter 6, “Issuing,” Rule 6.7 in part 1 of this
rulebook, the following apply:
Stand-In Processing, a service that is supported by the Single Message System,
is available to all Issuers twenty-four (24) hours a day, three hundred and
sixty-five (365) days a year.
6.10 Selective Authorization
In addition to the Rules in Chapter 6, “Issuing,” Rule 6.10 in part 1 of this
rulebook, the following applies:
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Maestro Global Rules • 9 November 2012 20-5