Enhanced Merit 3 is a Mastercard interchange category. Interchange fees are essentially the wholesale cost of credit card processing and generate income for banks that issue credit and debit cards. The word "Enhanced" refers to the type of credit card, and "Merit 3" refers to how the card is accepted and processed. The Enhanced MasterCard card category refers to base consumer rewards cards, and Merit 3 means the transaction takes place in a card-present environment. Qualification Details A transaction must meet the following criteria to be qualified as Enhanced Merit 3:
- The card must be swiped, and complete magnetic stripe data must be transmitted with the authorization request
- Authorization must be settled within one day
- Settlement amount must be within 10% of authorization amount, except for beauty salons which are allowed 25% tolerance, and travel and entertainment business are exempt from tolerance altogether.
- Credit and Debit cards issued within the United States
