# refund\_dcc\_warning

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**Description**

This screen displays a warning to the user with currency conversion details when original sale transaction conversion rate and current conversion rate differ.

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**Configuration Parameters**\\

`Merchant.DccEnabled` - Indicates that terminal supports dynamic currency conversion.

`Merchant.DccMode = 0` - Indicates that terminal supports dynamic currency conversion during authorization.

`Merchant.DccMarkupValue` - Indicates Foreign exchange markup value used during conversion.

**Error Scenarios**

If the chip card is removed, the transaction will be cancelled and no reversal will be generated.

If the device crashes or device reboots while on this screen, when the payment application restarts or device boots up, no power failure recovery will happen.
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