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A financial transaction can be canceled only for a full amount of payment and only for UCS and Raiffeisenbank processings by VISA and MasterCard cards, if the cancellation is caused by the shop declining of the operation (parameter CancelReason=1), or if the payment operation is fraud (parameter CancelReason=3).
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Some processings (UCS, in particular) establish special financial conditions for the financial transaction cancellation operation. |