Maestro Global Rules (PDF) - MasterCard

United States Region
9.2 POS Transaction Types
Issuers must support the following Transaction types:
1. preauthorization from pooled Account
2. partial approval from primary Account
3. partial approval from checking Account
4. partial approval from savings Account
5. partial approval from pooled Account
6. full and partial reversal
7. balance response for prepaid Card Account
9.2.2 Acquirer Online POS Transactions
9.2.2.1 Required Transactions
The following replaces Chapter 9, “Processing Requirements,” Rule 9.2.2.1
(2) in part 1 of this rulebook:
Acquirers must support reversals for the full or partial amount of any authorized
Transaction whenever the system is unable, because of technical problems, to
communicate the authorization response to the POS Terminal.
In addition, the Acquirer of a Merchant included in an MCC listed below must
ensure that by the effective date indicated for such MCC:
1. For all Card-present Transactions occurring at an attended POS Terminal
or at a Cardholder-activated Terminal (CAT) identified with MCC 5542, the
Merchant supports partial approvals.
2. For all Transactions, the Merchant supports full and partial reversals.
3. For all Card-present Transactions occurring at an attended POS Terminal
and conducted with a prepaid Card, the Merchant supports account balance
responses.
Effective Date MCC Description
1 May 2010 5310 Discount Stores
5311 Department Stores
5411 Grocery Stores, Supermarkets
5499 Miscellaneous Food Stores—Convenience Stores,
Markets, Specialty Stores and Vending Machines
5541 Service Stations (with or without Ancillary Services)
5542 Fuel Dispenser, Automated
5812 Eating Places, Restaurants
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20-24 9 November 2012 • Maestro Global Rules