Originally Posted by
tmiw
That's not what that article said.
.........it is extending the ban to multi-currency prepaid cards, which typically carry funds in sterling and either euros or dollars.
Mastercard says that if a prepaid card contains the local currency the customer should not be offered the option to pay in sterling – since such people have already decided to pay in the local currency.
That's a tiny subset of MC prepaid cards. Certainly nothing of this sort is offered in USA.
DCC is not allowed only if your prepaid MC contains local currency. To avoid DCC in Mexico, for example, your card must contain MXN. A USD based MC prepaid card is still subject to DCC.