System XRs

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    This section explains how the system uses exchange rates entered into the system.

    System XRs

    FC transactions by default will use the most recent XR (“System Rate”).

    To avoid changing the HC values of FC transactions using the System Rate, the XR is locked (i.e. the rate cannot be changed) once a transaction uses the System Rate.

    When you add a new System Rate, the pre-existing System Rate will be changed to a “Previous System Rate”.  If the date of a transaction is before the current System Rate then the system uses the most recent Previous System Rate as the default rate of the transaction.

    When you add a System Rate, any Previous System Rates which are not used by transactions and are more than one-year old are deleted.