XMLGregorianCalendar deliverDate = toXmlDate(getDeliverDate(subTaskData));
if(!subTaskData.getRequiredDeliveringDates().isEmpty()){
deliverDate = toXmlDate(subTaskData.getRequiredDeliveringDates().first().getSubcontractorDeliverDate());
}
String externalCode = subTaskData.getTask().getOrderElement().getCode();
return new UpdateDeliveringDateDTO(companyCode, customerReference, externalCode, deliverDate);
}