Diana: The Mastercard rules have no stated timeframe for applicability. Refer to the comparison supplemental handout for the exact verbiage or view it online in the rules document linked in a supplement.


Diana:  The two sets of requirements are separate governance from two distinct entities and for which compliance with one is not dependent on the other. 

Diana:  Clearly understanding the initial claim is important. When compelling evidence is received with the second presentation it’s critical to review it thoroughly with your cardholder. Your processor should also be prepared to advise on your potential success with pre-arbitration based on their experience, so don’t be afraid to ask.


Diana: Whether a card has only a magnetic stripe or is EMV enabled (contains a chip) is relevant to transactions conducted in a card-present environment. Therefore, chargeback reasons for the EMV liability shift are relevant. Currently, all merchant types in the U.S. fall into the liability shift rules.

The chargeback process is riddled with rules and time restrictions. Don’t risk a loss for your financial institution or cardholder. Learn the ins and outs of debit card chargebacks to protect everyone’s rights with this timely on-demand webinar, Mastercard Debit Card Chargebacks: Rules, Rights & Challenges.