Получение информации о возврате перед сдачей билетов.
<GetRefundInfo>
<Request>
<RequestBody>
<BookID>18554</BookID>
<!--Optional:-->
<BlankIDs>
<!--Zero or more repetitions:-->
<BlankID>000B38B8-0618F749-0001</BlankID>
</BlankIDs>
<!--Optional:-->
<!--<CheckNumber>?</CheckNumber>-->
</RequestBody>
</Request>
</GetRefundInfo>
<GetRefundInfoResponse>
<GetRefundInfoResult>
<ResponseBody>
<TicketsRefundInfo>
<TicketRefundInfo>
<BlankID>000B38B8-0618F749-0001</BlankID>
<SumToRefund>
<Amount>73.3</Amount>
<Currency>UAH</Currency>
</SumToRefund>
</TicketRefundInfo>
</TicketsRefundInfo>
<TotalSumToRefund>
<Amount>73.3</Amount>
<Currency>UAH</Currency>
</TotalSumToRefund>
</ResponseBody>
</GetRefundInfoResult>
</GetRefundInfoResponse>