If you use your cards to purchase goods and services, it is important to know your consumer rights in Mexico, since many businesses charge a "commission" or "surcharge" that can range from 3 to 5% on the total value of the purchase or service, when the payment is made by means of a credit or debit card.
Charging more for purchases paid for by credit or debit cards goes against the contract between the business and the banking institute handling the credit card transaction. All contracts for the use of point-of-sale terminals clearly indicate that . . .