Maestro Global Rules (PDF) - MasterCard

Europe Region
9.4 Special Transaction Types
Acquirers of Merchants that accept Cards at unattended POS Terminals at petrol
stations must process Transactions as follows:
1. The Acquirer must submit a preauthorization message containing the
maximum amount determined by the Acquirer or Merchant.
2. The Issuer’s authorization response may be for the full amount of the
preauthorization or for a lesser amount determined by the Issuer. The
Transaction is guaranteed up to the amount authorized by the Issuer.
Approval of a lesser amount is referred to as partial amount preauthorization.
The Transaction is guaranteed up to the amount authorized by the Issuer.
3. The Acquirer must inform the Issuer of the final Transaction amount via an
advice message, which must be sent to the Issuer within 20 minutes of
the authorization response message.
4. The Issuer must send an advice acknowledgement upon receipt of the
advice message. Issuers must be able to receive advice messages and return
advice acknowledgements in the preauthorization environment.
The Issuer must post the Transaction to the Cardholder’s Account on the basis
of the advice message, rather than the preauthorization response.
Support for partial amount preauthorization (as defined in subparagraph 2.
above) is mandatory for Issuers and Acquirers that support this transaction
type for any other debit brand.
The Presentment/1240 must contain the final Transaction amount in DE 4.
Chip Transactions at Unattended Petrol POS Terminals
In addition to the requirements set out above, the following requirements apply
to chip Transactions completed at unattended petrol POS Terminals.
Preauthorizations on Chip Cards must be processed in accordance with the
chip technical specifications. Preauthorizations may be completed online or
offline. Once a preauthorization has been approved, the process of clearing
the subsequently completed Transaction is identical to the process following a
magnetic stripe preauthorization.
9.4.7 Processing Requirements—Mail Order/Telephone Order
(MO/TO) Transactions (UK, Ireland, Turkey, and France)
Acquirers in the United Kingdom, Ireland, and France that acquire intracountry
MO/TO transactions under other debit brands must also acquire MO/TO
Transactions under the Maestro brand.
Merchants located in European countries designated by the Corporation may at
their option offer MO/TO Transactions on Cards issued in the same country.
Merchants in the United Kingdom, Ireland, Turkey, and France may offer this >>
option.
©1993–2012 MasterCard. Proprietary. All rights reserved.
17-62 9 November 2012 • Maestro Global Rules