For purposes of these POI currency conversion Rules, billing currency is the currency in which
the Card was issued.
POI currency conversion is a service that may be offered by a Merchant or Acquirer. The service
enables a Cardholder to decide whether a Transaction should be completed in either the local
currency or the billing currency. POI currency conversion is also referred to as dynamic currency
conversion, or DCC. If POI currency conversion is used for a Transaction, the foreign exchange
rate is applied by the Merchant or Acquirer.
[...]
POI currency conversion may be offered, subject to all of the following conditions:
• No specific currency conversion method may be implemented as the default option, except
that when POI currency conversion is offered on the Internet, a currency conversion option
may be pre-selected;
• A Cardholder may not be required or encouraged (i.e., “steered”) in any manner to use
POI currency conversion. For example, a POS Terminal must not ask or require a Cardholder
to choose to have the Transaction completed in a particular currency, whether by selecting
“YES” or “NO” or by displaying different currency selections in red and green colors, or
otherwise; and
