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Maestro Global Rules (PDF) - MasterCard

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Europe Region<br />

9.2 POS Transaction Types<br />

Emergency Fallback at Hybrid POS Terminals<br />

Merchant-approved Transactions may be carried out at EMV-capable POS<br />

Terminals under the following conditions:<br />

1. The POS Terminal has for a technical reason temporarily lost its online<br />

capability at the time of the Transaction,<br />

2. The Card is an EMV Card,<br />

3. The Cardholder’s PIN is successfully verified offline by the chip (unless >><br />

no CVM is required according to the <strong>Rules</strong> applicable to the particular<br />

Transaction type, for example, parking and tollways Transactions),<br />

4. The POS Terminal recommends approval of the Transaction,<br />

5. The chip on the Card declines offline authorization and instead seeks an<br />

online authorization.<br />

In all presentment and authorization request messages, the Acquirer must<br />

provide the Application Authentication Cryptogram (AAC) in subelement 9 of<br />

data element (DE) 55 (Integrated Circuit Card [ICC] System-Related Data), which<br />

indicates that the chip has declined the terminal’s offline authorization request.<br />

In presentment messages only, the Acquirer must additionally provide a value<br />

of F (Offline Chip) in DE 22 (Point of Service Entry Mode), subfield 7 (Card<br />

Data Input Mode), which indicates that the terminal processed an offline chip<br />

transaction.<br />

Emergency Fallback at Magnetic Stripe POS Terminals<br />

Magnetic stripe Merchant-approved Transactions may be carried out at any POS<br />

Terminal under the following conditions:<br />

1. The POS Terminal has for a technical reason temporarily lost its online<br />

capability at the time of the Transaction,<br />

2. No specific CVM is required to be used for such Transactions, it being<br />

understood that only PIN provides protection in case of a chargeback under<br />

message reason code 4837.<br />

Preauthorization<br />

Preauthorization is permitted only at unattended petrol terminals (MCC 5524).<br />

Please refer to Rule 9.4.6 in this chapter.<br />

Correction<br />

Correction is not available as a separate function in Europe. In order to correct<br />

a Merchant or Cardholder error, the ‘refund’ function may be used. If the<br />

Transaction was not yet completed, the ‘cancel’ function may be used. Please<br />

refer to applicable headings below.<br />

Cancel<br />

©1993–2012 <strong>MasterCard</strong>. Proprietary. All rights reserved.<br />

17-56 9 November 2012 • <strong>Maestro</strong> <strong>Global</strong> <strong>Rules</strong>

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