This setting indicates if the Customer has decided Opt Out of currency conversion and have the amount remain in the Merchants currency. If the customer does not opt out, the amount will be converted to currency associated with the card.
The Retrieval Reference Number (RRN) of the RateLookup or Incremental Authorization that provided the rate used for the calculations in this transaction, if it is different from the original Authorization.
The mark up percentage applied to the transaction, resulting in the commission fee.
Source
<xs:elementname="CurrencyConversion"type="CurrConversionDataType"minOccurs="0"xmlns:xs="http://www.w3.org/2001/XMLSchema"><xs:annotation><xs:documentation><pxmlns="http://Hps.Exchange.PosGateway">Data block for Currency Conversion.</p></xs:documentation></xs:annotation></xs:element>