To specify the currency being used in the transaction set
Code (Standard ISO) for country in whose currency the charges are specified
C301 is the billing currency.
Value to be used as a multiplier conversion factor to convert monetary value from one currency to another
Code (Standard ISO) for country in whose currency the charges are specified
C303 is the payment currency.
Code (Standard ISO) for country in whose currency the charges are specified
C304 is the rated currency.
