Visa chargeback Reason Code 72 results from processing transactions, which were above the merchant's floor limit, but authorization was not obtained....
The Site Data Protection Program is designed to ensure that processors, merchants and service providers adequately protect account data against compromises....
MasterCard's chargeback cycle includes: First Presentment, First Chargeback, Second Presentment, Arbitration Chargeback, and Arbitration Case Filing....
MasterCard uses the Global Clearing Management System for transaction clearing - the process of exchanging information between issuers and processors....